DELL Inspiron 5721
Contents
1. 97 Replacing the Subwoofer 99 Flashing the BIOS 101 Contents Contents Before You Begin Turn Off Your Computer and Connected Devices A 1 CAUTION To avoid losing data save and close all open files and exit all open programs before you turn off your computer Save and close all open files and exit all open programs Follow the instructions to shut down your computer based on the operating system installed on your computer e Windows 8 Move your mouse pointer to the upper right or lower right corner of the screen to open the Charms sidebar and then click Settings gt Power Shut down e Windows 7 Click Start O and click Shut down Microsoft Windows shuts down and then the computer turns off K NOTE If you are using a different operating system see the documentation of your operating system for shut down instructions Disconnect your computer and all attached devices from their electrical outlets Disconnect all telephone cables network cables and attached devices from your computer Press and hold the power button for about 5 seconds after the computer is unplugged to ground the system board Safety Instructions Use the following safety guidelines to protect your computer from potential damage and ensure your personal safety A A WARNING Before working inside your computer read the safety information that shipped with your computer For additional2. o o 19 Replacing the Base Cover 0 0 4 20 7 Memory Module s 21 Removing the Memory Module s 21 Replacing the Memory Module s 22 8 Hard DriVvels zur vate oR jas tae es 23 Removing the Hard Drive s 23 Replacing the Hard Drive s 26 9 Optical Drive 27 Removing the Optical Drive 27 Replacing the Optical Drive 29 Contents 10 11 12 15 14 15 16 17 18 Wireless Mini Card 31 Removing the Wireless Mini Card 51 Replacing the Wireless Mini Card 53 mSATA Card Optional 35 Removing the mSATA Card 55 Replacing the mSATA Card 57 7 Palm Rest 2 2 2 523052 40er 39 Removing the Palm Rest dpa yu estas nen al 39 Replacing the Palm Rest ico vw Ss yee Be Ee 41 Coin Cell Battery 43 Removing the Coin Cell Battery 43 Replacing the Coin Cell Battery 45 Ee e ANE EE EEE AA 47 Removing the PAN iaa See a ecm Ge gre A SSS 47 REDIECINGANG FaN s tad o pr Bis bho hae se 48 EAN BOFO 2 er ee wee x woh bate wed 49 Removing the LAN Board 49 Replacing the LAN Board 51 LAN USB Cable 53 Removing the LAN USB Cable 55 Replacing t
3. on page 13 Follow the instructions in After Working Inside Your Computer on page 11 System Board 79 80 Entering the Service Tag in the BIOS 1 2 3 Turn on the computer Press lt F2 gt during POST to enter the system setup program Navigate to the main tab and enter the Service Tag in the Service Tag Setting field System Board Heat Sink N WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before You Begin on page 7 For additional safety best practices information see the Regulatory Compliance Homepage at dell com regulatory_compliance Removing the Heat Sink Prerequisites 1 Remove the battery See Removing the Battery on page 13 2 Remove the keyboard See Removing the Keyboard on page 15 3 Remove the base cover See Removing the Base Cover on page 19 4 Remove the memory module s See Removing the Memory Module s on page 21 5 Follow the instructions from step 1 to step 3 in Removing the Hard Drive s on page 23 6 Follow the instructions from step 1 to step 2 in Removing the Optical Drive on page 27 7 Remove the mSATA card Removing the mSATA Card on page 35 8 Remove the wireless Mini Card See Removing the Wireless Mini Card on page 31 9 Remove the palm rest See Removing the Palm Rest on page 39 10 Remove the fan See Removing the Fan on page 47 11 Follow
4. 90 Power Adapter Port Replacing the Power Adapter Port Procedure Connect the power adapter port cable to the system board connector Postrequisites 1 Ou FW N 10 11 12 Follow the instructions from step 4 to step 11 in Replacing the System Board on page 79 Replace the fan See Replacing the Fan on page 48 Replace the palm rest See Replacing the Palm Rest on page 41 Replace the wireless Mini Card See Replacing the Wireless Mini Card on page 33 Replace the mSATA card See Replacing the mSATA Card on page 37 Follow the instructions from step 4 to step 5 in Replacing the Optical Drive on page 29 Follow the instructions from step 4 to step 6 in Replacing the Hard Drive s on page 26 Replace the memory module s See Replacing the Memory Module s on page 22 Replace the base cover See Replacing the Base Cover on page 20 Replace the keyboard See Replacing the Keyboard on page 18 Replace the battery See Replacing the Battery on page 13 Follow the instructions in After Working Inside Your Computer on page 11 Power Adapter Port 91 92 Power Adapter Port Speakers N WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before You Begin on page 7 For additional safety best practices information see the Regulatory Compliance Homepage at dell com regulatory_complianc
5. Follow the instructions from step 4 to step 5 in Replacing the Optical Drive on page 29 7 Follow the instructions from step 4 to step 6 in Replacing the Hard Drive s on page 26 8 Replace the memory module s See Replacing the Memory Module s on page 22 9 Replace the base cover See Replacing the Base Cover on page 20 10 Replace the keyboard See Replacing the Keyboard on page 18 11 Replace the battery See Replacing the Battery on page 13 12 Follow the instructions in After Working Inside Your Computer on page 11 Subwoofer 99 100 Subwoofer Flashing the BIOS The BIOS may require flashing when an update is available or when replacing the system board To flash the BIOS 1 2 3 vu E 10 Turn on the computer Go to support dell com support downloads Locate the BIOS update file for your computer I NOTE The Service Tag for your computer is located on a label at the bottom of your computer For More information see the Quick Start Guide that shipped with your computer If you have your computer s Service Tag or Express Service Code a Enter your computer s Service Tag or Express Service Code in the Service Tag or Express Service Code field b Click submit and proceed to step 4 If you do not have your computer s Service Tag or Express Service Code a Select one of the following options e Automatically detect my Service Tag for me e Choose from My Products and Services
6. List e Choose from a list of all Dell products b Click Continue and follow the instructions on the screen A list of results appears on the screen Click BIOS Click Download File to download the latest BIOS file In the Please select your download method below window click For Single File Download via Browser and then click Download Now In the Save As window select an appropriate location to download the file on your computer If the Download Complete window appears click Close Navigate to the folder where you downloaded the BIOS update file The file icon appears in the folder and is titled the same as the downloaded BIOS update file Double click the BIOS update file icon and follow the instructions that appear on the screen Flashing the BIOS 101 102 Flashing the BIOS
7. and even pressure to slide the mSATA card into place If you use excessive force you may damage the connector CAUTION To avoid damage to the mSATA card never place cables under the mSATA card Insert the mSATA card connector at a 45 degree angle into the system board connector Press the other end of the mSATA card down into the slot on the system board and replace the screw that secures the mSATA card to the system board connector Postrequisites 1 2 3 Replace the base cover See Replacing the Base Cover on page 20 Replace the battery See Replacing the Battery on page 13 Follow the instructions in After Working Inside Your Computer on page 11 mSATA Card Optional 37 38 mSATA Card Optional 1 2 Palm Rest A WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before You Begin on page 7 For additional safety best practices information see the Regulatory Compliance Homepage at dell com regulatory_compliance Removing the Palm Rest Prerequisites 1 Remove the battery See Removing the Battery on page 13 2 Remove the keyboard See Removing the Keyboard on page 15 3 Remove the base cover See Removing the Base Cover on page 19 4 Follow the instructions from step 1 to step 2 in Removing the Optical Drive on page 27 Procedure 1 Remove the screws that secure the palm rest to the computer base P
8. in After Working Inside Your Computer on page 11 Processor 87 88 Processor Power Adapter Port N WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before You Begin on page 7 For additional safety best practices information see the Regulatory Compliance Homepage at dell com regulatory_compliance Removing the Power Adapter Port Prerequisites 1 2 3 4 10 11 Remove the battery See Removing the Battery on page 13 Remove the keyboard See Removing the Keyboard on page 15 Remove the base cover See Removing the Base Cover on page 19 Remove the memory module s See Removing the Memory Module s on page 21 Follow the instructions from step 1 to step 3 in Removing the Hard Drive s on page 23 Follow the instructions from step 1 to step 2 in Removing the Optical Drive on page 27 Remove the mSATA card Removing the mSATA Card on page 35 Remove the wireless Mini Card See Removing the Wireless Mini Card on page 31 Remove the palm rest See Removing the Palm Rest on page 39 Remove the fan See Removing the Fan on page 47 Follow the instructions from step 1 to step 9 in Removing the System Board on page 75 Power Adapter Port 89 Procedure Disconnect the power adapter port cable from the system board connector 1 power adapter port 2 power adapter port cable
9. mSATA Card on page 37 Follow the instructions from step 4 to step 5 in Replacing the Optical Drive on page 29 Follow the instructions from step 4 to step 6 in Replacing the Hard Drive s on page 26 Replace the memory module s See Replacing the Memory Module s on page 22 Replace the base cover See Replacing the Base Cover on page 20 Replace the battery See Replacing the Battery on page 13 Follow the instructions in After Working Inside Your Computer on page 11 Heat Sink 83 84 Heat Sink Processor N WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before You Begin on page 7 For additional safety best practices information see the Regulatory Compliance Homepage at dell com regulatory_compliance Removing the Processor Prerequisites 1 2 3 4 10 11 12 Remove the battery See Removing the Battery on page 13 Remove the keyboard See Removing the Keyboard on page 15 Remove the base cover See Removing the Base Cover on page 19 Remove the memory module s See Removing the Memory Module s on page 21 Follow the instructions from step 1 to step 3 in Removing the Hard Drive s on page 23 Follow the instructions from step 1 to step 2 in Removing the Optical Drive on page 27 Remove the mSATA card Removing the mSATA Card on page 35 Remove the wireless
10. page 15 4 Follow the instructions from step 1 to step 2 in Removing the Optical Drive on page 27 5 Remove the palm rest See Removing the Palm Rest on page 39 Procedure 1 Disconnect the fan cable from the system board connector 2 Remove the screws that secure the fan to the computer base 3 Liftthe fan along with its cable away from the computer base screws 2 2 fan fan cable 4 system board connector Fan 47 Replacing the Fan Procedure 1 Align the screw holes on the fan with the screw holes on the computer base 2 Replace the screws that secure the fan to computer base 3 Connect the fan cable to the system board connector Postrequisites 1 Replace the palm rest See Replacing the Palm Rest on page 41 2 Follow the instructions from step 4 to step 5 in Replacing the Optical Drive on page 29 3 Replace the base cover See Replacing the Base Cover on page 20 4 Replace the keyboard See Replacing the Keyboard on page 18 5 Replace the battery See Replacing the Battery on page 13 6 Follow the instructions in After Working Inside Your Computer on page 11 48 Fan LAN Board N WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before You Begin on page 7 For additional safety best practices information see the Regulatory Compliance Homepage at dell com regulatory_compliance Rem
11. safety best practices information see the Regulatory Compliance Homepage at dell com regulatory_compliance WARNING Disconnect all power sources before opening the computer cover or panels After you finish working inside the computer replace all covers panels and screws before connecting to the power source CAUTION To avoid damaging the computer ensure that the work surface is flat and clean CAUTION To avoid damaging the components and cards handle them by their edges and avoid touching pins and contacts Before You Begin 7 A A A CAUTION Only a certified service technician is authorized to remove the computer cover and access any of the components inside the computer See the safety instructions for complete information about safety precautions working inside your computer and protecting against electrostatic discharge CAUTION Before touching anything inside your computer ground yourself by touching an unpainted metal surface such as the metal at the back of the computer While you work periodically touch an unpainted metal surface to dissipate static electricity which could harm internal components CAUTION When you disconnect a cable pull on its connector or on its pull tab not on the cable itself Some cables have connectors with locking tabs or thumb screws that you must disengage before disconnecting the cable When disconnecting cables keep them evenly aligned to avoid bending any connector pins W
12. the instructions from step 1 to step 10 in Removing the System Board on page 75 Heat Sink 81 Procedure 1 In sequential order indicated on the heat sink loosen the captive screws that secure the heat sink to the system board 2 Lift the heat sink off the system board E ea tr ARE gt Pau amp a 1 heat sink 2 captive screws 4 82 Heat Sink Replacing the Heat Sink Procedure K NOTE The original thermal grease can be reused if the original system board and heat sink are reinstalled together If either the system board or the heat sink is replaced use the thermal pad provided in the kit to ensure that thermal conductivity is achieved Clean the thermal grease from the bottom of the heat sink and reapply it Align the screw holes on the heat sink with the screw holes on the system board In sequential order indicated on the heat sink tighten the captive screws that secure the heat sink to the system board Postrequisites 1 no 1 Bb WN N 10 11 12 Follow the instructions from step 3 to step 11 in Replacing the System Board on page 79 Replace the fan See Replacing the Fan on page 48 Replace the palm rest See Replacing the Palm Rest on page 41 Replace the keyboard See Replacing the Keyboard on page 18 Replace the wireless Mini Card See Replacing the Wireless Mini Card on page 33 Replace the mSATA card See Replacing the
13. 3 Route the antenna cables through the routing guides and slide the cables through the slot on the computer base Close the display and turn the computer over 5 Route the antenna cables through the routing guides at the bottom of the computer 6 Connect the antenna cables to the connectors on the Mini Card See Replacing the Wireless Mini Card on page 33 Postrequisites 1 Replace the palm rest See Replacing the Palm Rest on page 41 2 Follow the instructions from step 4 to step 5 in Replacing the Optical Drive on page 29 Replace the base cover See Replacing the Base Cover on page 20 Replace the keyboard See Replacing the Keyboard on page 18 Replace the battery See Replacing the Battery on page 13 Follow the instructions in After Working Inside Your Computer on page 11 a v Bb ww Display 63 Removing the Display Bezel Prerequisites 1 Remove the battery See Removing the Battery on page 13 2 Remove the keyboard See Removing the Keyboard on page 15 3 Remove the base cover See Removing the Base Cover on page 19 4 Follow the instructions from step 1 to step 2 in Removing the Optical Drive on page 27 Remove the palm rest See Removing the Palm Rest on page 39 6 Remove the display assembly See Removing the Display Assembly on page 61 ul Procedure NM CAUTION The display bezel is extremely fragile Be careful when removing it to prevent damaging the display beze
14. 9 Replace the fan See Replacing the Fan on page 48 Replace the palm rest See Replacing the Palm Rest on page 49 Replace the wireless Mini Card See Replacing the Wireless Mini Card on page 33 Replace the mSATA card See Replacing the mSATA Card on page 37 Ou FW N Follow the instructions from step 4 to step 5 in Replacing the Optical Drive on page 29 7 Follow the instructions from step 4 to step 6 in Replacing the Hard Drive s on page 26 8 Replace the memory module s See Replacing the Memory Module s on page 22 9 Replace the base cover See Replacing the Base Cover on page 20 10 Replace the keyboard See Replacing the Keyboard on page 18 11 Replace the battery See Replacing the Battery on page 13 12 Follow the instructions in After Working Inside Your Computer on page 11 Speakers 95 96 Speakers Subwoofer N WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before You Begin on page 7 For additional safety best practices information see the Regulatory Compliance Homepage at dell com regulatory_compliance Removing the Subwoofer Prerequisites 1 2 3 4 10 11 Remove the battery See Removing the Battery on page 13 Remove the keyboard See Removing the Keyboard on page 15 Remove the base cover See Removing the Base Cover on page 19 Remove the me
15. Dell Inspiron 17R Owner s Manual Notes Cautions and Warnings K NOTE A NOTE indicates important information that helps you make better use of your computer NM CAUTION A CAUTION indicates potential damage to hardware or loss of data if instructions are not followed AN WARNING A WARNING indicates a potential for property damage personal injury or death 2012 Dell Inc All rights reserved Trademarks used in this text Dell the DELL logo and Inspiron are trademarks of Dell Inc Microsoft Windows and the Windows start button logo are either trademarks or registered trademarks of Microsoft corporation in the United States and or other countries Bluetooth is a registered trademark owned by Bluetooth SIG Inc and is used by Dell under license 2012 10 Rev A01 Contents 1 Before You Begin 7 Turn Off Your Computer and Connected Devices 7 Safety Instructions ciar Be ede oh eee Recommended OO Sii a A Be 8 2 After Working Inside Your Computer 9 S SWC och sa aid dd we bee es 11 Removing the Switch 222222220 11 Replacing the Switch suba ia 2 haar 12 A Battery o o e 13 REMOVING the Batlely u w ssrige 15 Replacing the Battery o o 15 5 KEVDOArG hind oe hd di 15 REMOVING the Keyboard stand 15 Replacing the Keyboard o 18 6 Base Cover o o o 19 Removing the Base Cover
16. Mini Card See Removing the Wireless Mini Card on page 31 Remove the palm rest See Removing the Palm Rest on page 39 Remove the fan See Removing the Fan on page 47 Follow the instructions from step 1 to step 10 in Removing the System Board on page 75 Remove the heat sink See Removing the Heat Sink on page 81 Processor 85 Procedure 1 To loosen the ZIF socket use a small flat blade screwdriver and rotate the ZIF socket cam screw counterclockwise until it comes to the cam stop NM CAUTION To ensure maximum cooling for the processor do not touch the heat transfer areas on the processor thermal cooling assembly The oils in your skin can reduce the heat transfer capability of the thermal pads NM CAUTION When removing the processor module pull the module straight up Be careful not to bend the pins on the processor module 2 Lift the processor module from the ZIF socket 1 processor 2 ZIF socket 3 processor pin 1 corner 4 ZIF socket pin 1 corner 5 ZIF socket cam screw 86 Processor Replacing the Processor Procedure NOTE If you install a new processor a new thermal assembly including an affixed thermal pad or a new thermal pad along with documentation to illustrate proper installation is shipped Align the pin 1 corner of the processor module with the pin 1 corner of the ZIF socket then insert the processor module NOTE The pin 1 corner of the processor module has a triangle t
17. Procedure 1 Remove the new Mini Card from its packaging 2 Align the notch on the Mini Card with the tab on the A A A system board connector CAUTION Use firm and even pressure to slide the Mini Card into place If you use excessive force you may damage the connector CAUTION The connectors are keyed to ensure correct insertion If you feel resistance check the connectors on the Mini Card and on the system board and realign the Mini Card CAUTION To avoid damage to the Mini Card never place cables under the Mini Card Insert the Mini Card connector at a 45 degree angle into the system board connector Press the other end of the Mini Card down into the slot on the system board and replace the screw that secures the Mini Card to the system board connector Connect the antenna cables to the connectors on the Mini Card The following table provides the antenna cable color scheme for the Mini Cards supported by your computer Connectors on the Mini Card Antenna Cable Color Scheme WLAN Bluetooth 2 cables Main WLAN Bluetooth white triangle white Auxiliary WLAN Bluetooth black black triangle WWAN 2 antenna cables Main WWAN white triangle white Auxiliary WWAN black triangle black Postrequisites 1 2 3 Replace the base cover See Replacing the Base Cover on page 20 Replace the battery See Replacing the Battery on page 13 Follow the instructions in After Working Inside You
18. alm Rest 39 NI A WY Mr 40 Turn the computer over and open the display as far as possible Remove the screws that secure the palm rest to the computer base Lift the connector latches and pull the pull tabs to disconnect the hot key board cable power button board cable and touch pad cable from the connectors on the system board CAUTION Carefully separate the palm rest from the display assembly to avoid damage to the display assembly Using your fingertips push the palm rest up from the slot in the optical drive bay Carefully pry out the palm rest and then ease the palm rest from the computer base hot key board cable 2 pull tab connector latch 4 screws 4 palm rest 6 touch pad cable power button board cable Palm Rest Replacing the Palm Rest Procedure 1 Align the palm rest with the computer base and gently snap the palm rest into place 2 Slide the hot key board cable power button board cable and touch pad cable into the connectors on the system board and press down on the connector latches to secure the cables 3 Replace the screws that secure the palm rest to the computer base 4 Close the display and turn the computer over 5 Replace the screws that secure the palm rest to the computer base Postrequisites 1 ul bb WUN Follow the instructions from step 4 to step 5 in Replacing the Optical Drive on page 29 Replace the base cover See Replacing the Base Cover on page 20 Replace t
19. ard 1 plastic scribe 2 coin cell battery 3 battery socket 44 Coin Cell Battery Replacing the Coin Cell Battery Procedure With the positive side facing up snap the coin cell battery into the battery socket on the system board Postrequisites 1 2 a v Bb ww Replace the palm rest See Replacing the Palm Rest on page 41 Follow the instructions from step 4 to step 5 in Replacing the Optical Drive on page 29 Replace the base cover See Replacing the Base Cover on page 20 Replace the keyboard See Replacing the Keyboard on page 18 Replace the battery See Replacing the Battery on page 13 Follow the instructions in After Working Inside Your Computer on page 11 Coin Cell Battery 45 46 Coin Cell Battery N WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before You Begin on page 7 For additional safety best practices information see the Regulatory Compliance Homepage at dell com regulatory_compliance Removing the Fan Prerequisites 1 Remove the battery See Removing the Battery on page 13 2 Remove the base cover See Removing the Base Cover on page 19 3 Remove the keyboard See Removing the Keyboard on
20. atch to the side The switch pops up 2 Lift the switch off the computer 1 display cover 2 switch 3 switch release latch Switch 11 Replacing the Switch 1 Align the tabs at the bottom of the switch with the slots on the display cover and Snap the switch into place K NOTE Ensure that the tabs on the switch are secured in the slots on the display cover 1 tabs 2 slots 2 Follow the instructions in After Working Inside Your Computer on page 11 12 Switch 4 Battery A WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before You Begin on page 7 For additional safety best practices information see the Regulatory Compliance Homepage at dell com regulatory_compliance Removing the Battery 1 Close the display and turn the computer over 2 Slide the battery release latches to the unlock position 3 Liftthe battery out of the battery bay 1 battery release latches 2 2 battery Replacing the Battery 1 Align the tabs on the battery with the slots on the battery bay and snap the battery until it clicks into place 2 Follow the instructions in After Working Inside Your Computer on page 11 Battery 13 14 Battery Keyboard N WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before You Begin on page 7 For additional safe
21. ce the base cover See Replacing the Base Cover on page 20 2 Replace the battery See Replacing the Battery on page 13 3 Follow the instructions in After Working Inside Your Computer on page 11 4 Turn on your computer 22 Memory Module s Hard Drive s DA WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before You Begin on page 7 For additional safety best practices information see the Regulatory Compliance Homepage at dell com regulatory_compliance NM CAUTION To avoid data loss do not remove the hard drive while the computer is On or in Sleep state NM CAUTION Hard drives are extremely fragile Exercise care when handling the hard drive Removing the Hard Drive s Prerequisites 1 Remove the battery See Removing the Battery on page 13 2 Remove the base cover See Removing the Base Cover on page 19 Hard Drive s 23 Procedure 1 Remove the screws that secure the hard drive assembly to the computer base 2 Slide the hard drive assembly toward the side of the computer to disconnect it from the system board connector 3 Lift the hard drive assembly off the computer base Inspiron 17R 7720 1 screws 4 2 hard drive assembly Inspiron 17R 5720 Inspiron 17R 7720 1 screws 4 2 hard drive assembly 24 Hard Drive s 4 Remove the screws that secure the hard drive bracket to the hard drive 5 Lift the hard dr
22. e Removing the Speakers Prerequisites 1 2 3 4 10 11 Remove the battery See Removing the Battery on page 13 Remove the keyboard See Removing the Keyboard on page 15 Remove the base cover See Removing the Base Cover on page 19 Remove the memory module s See Removing the Memory Module s on page 21 Follow the instructions from step 1 to step 3 in Removing the Hard Drive s on page 23 Follow the instructions from step 1 to step 2 in Removing the Optical Drive on page 27 Remove the mSATA card Removing the mSATA Card on page 35 Remove the wireless Mini Card See Removing the Wireless Mini Card on page 31 Remove the palm rest See Removing the Palm Rest on page 39 Remove the fan See Removing the Fan on page 47 Follow the instructions from step 1 to step 8 in Removing the System Board on page 75 Speakers 93 Procedure 1 Make a note of the speakers cable routing and remove it from the routing guides on the computer base 2 Lift the speakers along with its cable away from the computer base 1 speakers 2 2 speakers cable routing 94 Speakers Replacing the Speakers Procedure 1 Route the speakers cable through the routing guides on the computer base 2 Use the alignment posts on the computer base to place the speakers in position Postrequisites 1 Follow the instructions from step 5 to step 11 in Replacing the System Board on page 7
23. e the LAN USB cable through the routing guides on the computer base Connect the LAN USB cable to the system board connector Connect the USB board cable to the USB board connector Postrequisites 1 2 3 N O uo gt Replace the LAN board See Replacing the LAN Board on page 51 Replace the palm rest See Replacing the Palm Rest on page 41 Follow the instructions from step 4 to step 5 in Replacing the Optical Drive on page 29 Replace the base cover See Replacing the Base Cover on page 20 Replace the keyboard See Replacing the Keyboard on page 18 Replace the battery See Replacing the Battery on page 13 Follow the instructions in After Working Inside Your Computer on page 11 LAN USB Cable 55 56 LAN USB Cable USB Board N WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before You Begin on page 7 For additional safety best practices information see the Regulatory Compliance Homepage at dell com regulatory_compliance Removing the USB Board Prerequisites 1 Remove the battery See Removing the Battery on page 13 2 Remove the keyboard See Removing the Keyboard on page 15 3 Remove the base cover See Removing the Base Cover on page 19 4 Follow the instructions from step 1 to step 2 in Removing the Optical Drive on page 27 5 Remove the palm rest See Removing the Palm R
24. e the battery See Removing the Battery on page 13 Remove the keyboard See Removing the Keyboard on page 15 Remove the base cover See Removing the Base Cover on page 19 Follow the instructions from step 1 to step 2 in Removing the Optical Drive on page 27 Remove the palm rest See Removing the Palm Rest on page 39 Display 61 Procedure 1 Close the display and turn the computer over 2 Disconnect the antenna cables from the connectors on the Mini Card See Removing the Wireless Mini Card on page 31 3 Make a note of the antenna cables routing and remove the cables from the routing guides 4 Turn the computer over and open the display as far as possible 5 Pull the antenna cables up through the slot on the computer base 6 Pull the pull tab to disconnect the display cable from the system board connector 7 Make a note of the display cable routing and remove the cable from the routing guides 8 Remove the screws that secure the display assembly to the computer base 9 Lift the display assembly off the computer base 1 display assembly 2 screws 4 5 display cable 4 pull tab 5 antenna cables 2 62 Display Replacing the Display Assembly Procedure 1 Place the display assembly in position and replace the screws that secure the display assembly to the computer base 2 Route the display cable through the routing guides and connect the display cable to the system board connector
25. er Working Inside Your Computer on page 11 LAN Board 51 52 LAN Board LAN USB Cable N WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before You Begin on page 7 For additional safety best practices information see the Regulatory Compliance Homepage at dell com regulatory_compliance Removing the LAN USB Cable Prerequisites 1 2 3 4 ul Remove the battery See Removing the Battery on page 13 Remove the keyboard See Removing the Keyboard on page 15 Remove the base cover See Removing the Base Cover on page 19 Follow the instructions from step 1 to step 2 in Removing the Optical Drive on page 27 Remove the palm rest See Removing the Palm Rest on page 39 Remove the LAN board See Removing the LAN Board on page 49 LAN USB Cable 53 Procedure 1 Pull the pull tab to disconnect the USB board cable from the USB board connector Pull the pull tab to disconnect the LAN USB cable from the system board connector Make a note of the LAN USB cable routing and remove the cable from the routing guides on the computer base Peel off the LAN USB cable from the computer base 1 LAN USB cable 2 system board 3 USB board cable 4 pull tab 5 USB board 54 LAN USB Cable Replacing the LAN USB Cable Procedure 1 2 3 4 Adhere the LAN USB cable to the computer base Rout
26. est on page 39 USB Board 57 Procedure 1 Pull the pull tab to disconnect the USB board cable from the USB board connector Remove the screw that secures the USB board to the computer base Lift the USB board away from the computer base 1 USB board cable 2 USB board 3 pull tab 4 screw 58 USB Board Replacing the USB Board Procedure 1 Align the screw hole on the USB board with the screw hole on the computer base 2 Replace the screw that secures the USB board to the computer base 3 Connect the USB board cable to the USB board connector Postrequisites 1 Replace the palm rest See Replacing the Palm Rest on page 41 2 Follow the instructions from step 4 to step 5 in Replacing the Optical Drive on page 29 3 Replace the base cover See Replacing the Base Cover on page 20 4 Replace the keyboard See Replacing the Keyboard on page 18 5 Replace the battery See Replacing the Battery on page 13 6 Follow the instructions in After Working Inside Your Computer on page 11 USB Board 59 60 USB Board Display N WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before You Begin on page 7 For additional safety best practices information see the Regulatory Compliance Homepage at dell com regulatory_compliance Removing the Display Assembly Prerequisites 1 2 3 4 Remov
27. hat aligns with the triangle on the pin 1 corner of the ZIF socket When the processor module is properly seated all four corners are aligned at the same height If one or more corners of the module are higher than the others the module is not seated properly CAUTION To avoid damage to the processor hold the screwdriver perpendicular to the processor when turning the cam screw Tighten the ZIF socket by turning the cam screw clockwise to secure the processor module to the system board Postrequisites 10 11 12 13 Replace the heat sink See Replacing the Heat Sink on page 83 Follow the instructions from step 3 to step 11 in Replacing the System Board on page 79 Replace the fan See Replacing the Fan on page 48 Replace the palm rest See Replacing the Palm Rest on page 41 Replace the wireless Mini Card See Replacing the Wireless Mini Card on page 33 Replace the mSATA card See Replacing the mSATA Card on page 37 Follow the instructions from step 4 to step 5 in Replacing the Optical Drive on page 29 Follow the instructions from step 4 to step 6 in Replacing the Hard Drive s on page 26 Replace the memory module s See Replacing the Memory Module s on page 22 Replace the base cover See Replacing the Base Cover on page 20 Replace the keyboard See Replacing the Keyboard on page 18 Replace the battery See Replacing the Battery on page 13 Follow the instructions
28. he LAN USB Cable 55 USB Board 0 0 0 57 Removing the USB Board ermano war u 2 wt Bed 5 Replacing the USB Board 59 Display ios un ea e henna ann 61 Removing the Display Assembly 61 Replacing the Display Assembly 63 Removing the Display Bezel 64 Replacing the Display Bezel 65 Removing the Display Panel 66 Replacing the Display Panel 69 Contents 19 20 21 22 23 24 25 26 Camera Module 71 Removing the Camera Module 71 Replacing the Camera Module 74 System Board 75 Removing the System Board 75 Replacing the System Board 79 Entering the Service Tag inthe BIOS 80 Heat SINK 4 35 644 skeen are 81 Removing the Heat SIDK lt lt 0 81 Replacing the Heat Sink 83 Processor o 85 REMOVING The PTOCCSSON ieia acione Binge bet 85 Replacing the Processor o 87 Power Adapter Port 89 Removing the Power Adapter Port 89 Replacing the Power Adapter Port 91 SPEaKErS acia e rd 445 ee be 93 Removing the Speakers 93 Replacing the Speakers 004 95 Subwoofer 2 0 0 00005 97 Removing the Subwoofer o
29. he keyboard See Replacing the Keyboard on page 18 Replace the battery See Replacing the Battery on page 13 Follow the instructions in After Working Inside Your Computer on page 11 Palm Rest 41 42 Palm Rest Coin Cell Battery N WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before You Begin on page 7 For additional safety best practices information see the Regulatory Compliance Homepage at dell com regulatory_compliance N WARNING The battery may explode if installed incorrectly Replace the battery only with the same or equivalent type Discard used batteries according to the manufacturer s instructions Removing the Coin Cell Battery Prerequisites 1 2 3 4 Remove the battery See Removing the Battery on page 13 Remove the keyboard See Removing the Keyboard on page 15 Remove the base cover See Removing the Base Cover on page 19 Follow the instructions from step 1 to step 2 in Removing the Optical Drive on page 27 Remove the palm rest See Removing the Palm Rest on page 39 Coin Cell Battery 43 Procedure NM CAUTION Removing the coin cell battery resets the BIOS settings to default It is recommended that you note the BIOS settings before removing the coin cell battery Using a plastic scribe gently pry out the coin cell battery out of the battery socket on the system bo
30. hen connecting cables ensure that the connectors and ports are correctly oriented and aligned CAUTION To disconnect a network cable first unplug the cable from your computer and then unplug the cable from the network device CAUTION Press and eject any installed card from the 8 in 1 Media Card Reader Recommended Tools The procedures in this document may require the following tools Phillips screwdriver Plastic scribe Small flat blade screwdriver Before You Begin After Working Inside Your Computer After you complete replacement procedures ensure the following A Replace all screws and ensure that no stray screws remain inside your computer Connect any external devices cables cards and any other part s you removed before working on your computer Connect your computer and all attached devices to their electrical outlets CAUTION Before turning on your computer replace all screws and ensure that no stray screws remain inside the computer Failure to do so may damage your computer After Working Inside Your Computer 11 12 After Working Inside Your Computer Switch N WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before You Begin on page 7 For additional safety best practices information see the Regulatory Compliance Homepage at dell com regulatory_compliance Removing the Switch 1 Slide the switch release l
31. ing the Heat Sink on page 83 3 Connect the power adapter port cable to the system board connector 4 Turn the system board assembly over 5 Slide the connectors on the system board assembly into the slots on the computer base 6 Replace the screws that secure the system board assembly to the computer base 7 Align the screw hole on the power adapter port with the screw hole on the computer base 8 Replace the screw that secures the power adapter port to the computer base 9 Connect the display cable speakers cable and LAN USB cable to the connectors on the system board 10 Close the display and turn the computer over 11 Connect the subwoofer cable to the system board connector Postrequisites 1 vv bb UNUN 10 11 Replace the fan See Replacing the Fan on page 48 Replace the palm rest See Replacing the Palm Rest on page 41 Replace the wireless Mini Card See Replacing the Wireless Mini Card on page 33 Replace the mSATA card See Replacing the mSATA Card on page 37 Follow the instructions from step 4 to step 5 in Replacing the Optical Drive on page 29 Follow the instructions from step 4 to step 6 in Replacing the Hard Drive s on page 26 Replace the memory module s See Replacing the Memory Module s on page 22 Replace the base cover See Replacing the Base Cover on page 20 Replace the keyboard See Replacing the Keyboard on page 18 Replace the battery See Replacing the Battery
32. ive bracket off the hard drive Inspiron 17R 7720 1 screws 4 2 hard drive 5 hard drive bracket Inspiron 17R 5720 Inspiron 17R 7720 1 screws 4 2 hard drive hard drive bracket Hard Drive s 25 Replacing the Hard Drive s Procedure 1 Remove the new hard drive from its packaging Save the original packaging for storing or shipping the hard drive 2 Align the screw holes on the hard drive bracket with the screw holes on the hard drive Replace the screws that secure the hard drive bracket to the hard drive Place the hard drive assembly on the computer base Slide the hard drive assembly to connect it to the system board connector Replace the screws that secure the hard drive assembly to the computer base a v Bb ww Postrequisites 1 Replace the base cover See Replacing the Base Cover on page 20 2 Replace the battery See Replacing the Battery on page 13 3 Follow the instructions in After Working Inside Your Computer on page 11 26 Hard Drive s Optical Drive DA WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before You Begin on page 7 For additional safety best practices information see the Regulatory Compliance Homepage at dell com regulatory_compliance Removing the Optical Drive Prerequisites 1 Remove the battery See Removing the Battery on page 13 2 Remove the base cover See Remo
33. l 1 Using your fingertips carefully pry up the inside edge of the display bezel 2 Lift the display bezel off the display assembly 1 display bezel 64 Display Replacing the Display Bezel Procedure Align the display bezel over the display panel and gently snap it into place Postrequisites 1 2 3 N O ul fb Replace the display assembly See Replacing the Display Assembly on page 63 Replace the palm rest See Replacing the Palm Rest on page 41 Follow the instructions from step 4 to step 5 in Replacing the Optical Drive on page 29 Replace the base cover See Replacing the Base Cover on page 20 Replace the keyboard See Replacing the Keyboard on page 18 Replace the battery See Replacing the Battery on page 13 Follow the instructions in After Working Inside Your Computer on page 11 Display 65 Removing the Display Panel Prerequisites 1 Remove the battery See Removing the Battery on page 13 2 Remove the keyboard See Removing the Keyboard on page 15 3 Remove the base cover See Removing the Base Cover on page 19 4 Follow the instructions from step 1 to step 2 in Removing the Optical Drive on page 27 5 Remove the palm rest See Removing the Palm Rest on page 39 6 Remove the display assembly See Removing the Display Assembly on page 61 7 Remove the display bezel See Removing the Display Bezel on page 64 Procedure 1 Remove the scre
34. l and turn it over 1 screws 10 2 display panel 5 display cover 72 Camera Module Pry the camera module from the display cover Turn the camera module over Peel and lift the tape that secures the camera cable to the camera module Disconnect the camera cable from the camera module connector NJ AO wu gt w Lift the camera module off the display cover 1 camera module 2 camera cable 5 tape 4 display cover Camera Module 73 Replacing the Camera Module Procedure 1 Connect the camera cable to the camera module connector and secure it with the tape 2 Use the alignment posts on the display cover to place the camera module in position and adhere the camera module to the display cover 3 Align the screw holes on the display panel with the screw holes on the display cover 4 Replace the screws that secure the display panel to the display cover Postrequisites 1 hb UN N 0 N O u 74 Replace the display bezel See Replacing the Display Bezel on page 65 Replace the display assembly See Replacing the Display Assembly on page 63 Replace the palm rest See Replacing the Palm Rest on page 41 Follow the instructions from step 4 to step 5 in Replacing the Optical Drive on page 29 Replace the base cover See Replacing the Base Cover on page 20 Replace the keyboard See Replacing the Keyboard on page 18 Replace the battery See Replacing the Battery on page 13 Follow
35. lacing the Palm Rest on page 41 Follow the instructions from step 4 to step 5 in Replacing the Optical Drive on page 29 Replace the base cover See Replacing the Base Cover on page 20 Replace the keyboard See Replacing the Keyboard on page 18 Replace the battery See Replacing the Battery on page 13 Follow the instructions in After Working Inside Your Computer on page 11 Display 69 70 Display Camera Module N WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before You Begin on page 7 For additional safety best practices information see the Regulatory Compliance Homepage at dell com regulatory_compliance Removing the Camera Module Prerequisites 1 2 3 4 N ul Remove the battery See Removing the Battery on page 13 Remove the keyboard See Removing the Keyboard on page 15 Remove the base cover See Removing the Base Cover on page 19 Follow the instructions from step 1 to step 2 in Removing the Optical Drive on page 27 Remove the palm rest See Removing the Palm Rest on page 39 Remove the display assembly See Removing the Display Assembly on page 61 Remove the display bezel See Removing the Display Bezel on page 64 Camera Module 71 Procedure 1 Remove the screws that secure the display panel to the display cover 2 Carefully lift the display pane
36. llow the steps in Before You Begin on page 7 For additional safety best practices information see the Regulatory Compliance Homepage at dell com regulatory_compliance Removing the Memory Module s Prerequisites 1 Remove the battery See Removing the Battery on page 13 2 Remove the base cover See Removing the Base Cover on page 19 Procedure IN CAUTION To prevent damage to the memory module connector do not use tools to spread the memory module securing clips 1 Use your fingertips to carefully spread apart the securing clips on each end of the memory module connector until the memory module pops up 2 Remove the memory module from the memory module connector 1 memory module connector 2 securing clips 2 5 memory module Memory Module s 21 Replacing the Memory Module s Procedure NM CAUTION If you need to install memory modules in two connectors install a memory module in the connector labeled DIMM A before you install a memory module in the connector labeled DIMM B 1 Align the notch on the memory module with the tab on the memory module connector 2 Slide the memory module firmly into the connector at a 45 degree angle and press the memory module down until it clicks into place If you do not hear the click remove the memory module and reinstall it K NOTE If the memory module is not installed properly the computer may not boot 1 tab 2 notch Postrequisites 1 Repla
37. mory module s See Removing the Memory Module s on page 21 Follow the instructions from step 1 to step 3 in Removing the Hard Drive s on page 23 Follow the instructions from step 1 to step 2 in Removing the Optical Drive on page 27 Remove the mSATA card Removing the mSATA Card on page 35 Remove the wireless Mini Card See Removing the Wireless Mini Card on page 31 Remove the palm rest See Removing the Palm Rest on page 39 Remove the fan See Removing the Fan on page 47 Follow the instructions from step 1 to step 8 in Removing the System Board on page 75 Subwoofer 97 Procedure 1 Make a note of the subwoofer cable routing and remove it from the routing guides on the computer base 2 Lift the subwoofer along with its cable away from the computer base 1 subwoofer 98 Subwoofer Replacing the Subwoofer Procedure 1 Use the alignment posts on the computer base to place the subwoofer in position 2 Route the subwoofer cable through the routing guides on the computer base Postrequisites 1 Follow the instructions from step 5 to step 11 in Replacing the System Board on page 79 Replace the fan See Replacing the Fan on page 48 Replace the palm rest See Replacing the Palm Rest on page 41 Replace the wireless Mini Card See Replacing the Wireless Mini Card on page 33 Replace the mSATA card See Replacing the mSATA Card on page 37 Ou FW N
38. nside your computer read the safety information that shipped with your computer and follow the steps in Before You Begin on page 7 For additional safety best practices information see the Regulatory Compliance Homepage at dell com regulatory_compliance I NOTE Dell does not guarantee compatibility or provide support for wireless Mini Cards from sources other than Dell If you ordered a wireless Mini Card with your computer the card is already installed Your computer has one half Mini Card slot which supports a Wireless Local Area Network WLAN Bluetooth combo card Wi Fi and Worldwide Interoperability for Microwave Access WiMax Removing the Wireless Mini Card Prerequisites 1 Remove the battery See Removing the Battery on page 13 2 Remove the base cover See Removing the Base Cover on page 19 Wireless Mini Card 31 Procedure 1 Disconnect the antenna cables from the connectors on the Mini Card 2 Remove the screw that secures the Mini Card to the system board connector 1 antenna cables 2 2 Mini Card 3 screw 4 system board connector 3 Lift the Mini Card out of the system board connector IR CAUTION When the Mini Card is not in the computer store it in protective antistatic packaging For more information see Protecting Against Electrostatic Discharge in the safety information that shipped with your computer 32 Wireless Mini Card Replacing the Wireless Mini Card
39. oving the LAN Board Prerequisites 1 Remove the battery See Removing the Battery on page 13 2 Remove the keyboard See Removing the Keyboard on page 15 3 Remove the base cover See Removing the Base Cover on page 19 4 Follow the instructions from step 1 to step 2 in Removing the Optical Drive on page 27 5 Remove the palm rest See Removing the Palm Rest on page 39 LAN Board 49 Procedure 1 Remove the screws that secure the LAN board to the computer base 2 Carefully turn the LAN board over 3 Pull the pull tab to disconnect the LAN board cable from the LAN board connector 4 Remove the LAN board away from the computer base 1 screws 2 2 LAN board 3 LAN board cable 4 pull tab 50 LAN Board Replacing the LAN Board Procedure 1 Connect the LAN board cable to the LAN board connector 2 Carefully turn the LAN board over and align the screw holes on the LAN board with the screw holes on the computer base 3 Replace the screws that secure the LAN board to the computer base Postrequisites 1 2 Ou Bb ww Replace the palm rest See Replacing the Palm Rest on page 41 Follow the instructions from step 4 to step 5 in Replacing the Optical Drive on page 29 Replace the base cover See Replacing the Base Cover on page 20 Replace the keyboard See Replacing the Keyboard on page 18 Replace the battery See Replacing the Battery on page 13 Follow the instructions in Aft
40. r Computer on page 11 Wireless Mini Card 33 34 Wireless Mini Card mSATA Card Optional N WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before You Begin on page 7 For additional safety best practices information see the Regulatory Compliance Homepage at dell com regulatory_compliance I NOTE Dell does not guarantee compatibility or provide support for mSATA cards from sources other than Dell If you ordered a mSATA card with your computer the card is already installed Removing the mSATA Card Prerequisites 1 Remove the battery See Removing the Battery on page 13 2 Remove the base cover See Removing the Base Cover on page 19 mSATA Card Optional 35 Procedure 1 Remove the screw that secures the mSATA card to the system board connector 2 Lift the mSATA card out of the system board connector 1 mSATA card 2 screw 3 system board connector NM CAUTION When the mSATA card is not in the computer store it in protective antistatic packaging For more information see Protecting Against Electrostatic Discharge in the safety information that shipped with your computer 36 mSATA Card Optional Replacing the mSATA Card Procedure 1 2 A A Remove the new mSATA card from its packaging Align the notch on the mSATA card with the tab on the system board connector CAUTION Use firm
41. s so that you can reconnect them correctly after you replace the system board assembly 1 Close the display and turn the computer over 2 Disconnect the subwoofer cable from the system board connector 1 subwoofer cable routing 2 subwoofer cable 76 System Board A ww m 7 Turn the computer over and open the display as far as possible Pull the pull tab to disconnect the display cable and LAN USB cable from the connectors on the system board Disconnect the speakers cable from the system board connector Remove the screws that secure the system board assembly to the computer base Remove the screw that secures the power adapter port to the computer base Carefully lift the system board assembly at an angle and release the connectors on the system board from the slots on the computer base 1 display cable 2 screws 6 5 system board assembly 4 speakers cable 5 LAN USB cable 6 pull tab System Board 77 Turn the system board assembly over along with the power adapter port cable 10 Disconnect the power adapter port cable from the system board connector 1 power adapter port 2 power adapter port cable 11 Remove the heat sink See Removing the Heat Sink on page 81 12 Remove the processor See Removing the Processor on page 85 78 System Board Replacing the System Board Procedure 1 Replace the processor See Replacing the Processor on page 87 2 Replace the heat sink See Replac
42. tabs on the palm rest 4 Close the display and turn the computer over Postrequisites 1 Replace the battery See Replacing the Battery on page 13 2 Follow the instructions in After Working Inside Your Computer on page 11 18 Keyboard Base Cover N WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before You Begin on page 7 For additional safety best practices information see the Regulatory Compliance Homepage at dell com regulatory_compliance Removing the Base Cover Prerequisites Remove the battery See Removing the Battery on page 13 Procedure 1 Loosen the captive screws that secure the base cover to the computer base 2 Using your fingertips pry the base cover from the computer base 3 Liftthe base cover off the computer base 1 captive screws 2 2 base cover Base Cover 19 Replacing the Base Cover Procedure 1 Slide the tabs on the base cover into the slots on the computer base and snap the base cover into place 2 Tighten the captive screws that secure the base cover to the computer base Postrequisites 1 Replace the battery See Replacing the Battery on page 13 2 Follow the instructions in After Working Inside Your Computer on page 11 20 Base Cover Memory Module s N WARNING Before working inside your computer read the safety information that shipped with your computer and fo
43. the instructions in After Working Inside Your Computer on page 11 Camera Module System Board N WARNING Before working inside your computer read the safety information that shipped with your computer and follow the steps in Before You Begin on page 7 For additional safety best practices information see the Regulatory Compliance Homepage at dell com regulatory_compliance Removing the System Board Prerequisites 1 Remove the battery See Removing the Battery on page 13 2 Remove the keyboard See Removing the Keyboard on page 15 3 Remove the base cover See Removing the Base Cover on page 19 4 Remove the memory module s See Removing the Memory Module s on page 21 5 Follow the instructions from step 1 to step 3 in Removing the Hard Drive s on page 23 6 Follow the instructions from step 1 to step 2 in Removing the Optical Drive on page 27 7 Remove the mSATA card Removing the mSATA Card on page 35 8 Remove the wireless Mini Card See Removing the Wireless Mini Card on page 31 9 Remove the palm rest See Removing the Palm Rest on page 39 10 Remove the fan See Removing the Fan on page 47 System Board 75 Procedure K NOTE Your computer s Service Tag is stored in the system board You must enter the Service Tag in the BIOS after you replace the system board K NOTE Before disconnecting the cables from the system board note the location of the connector
44. ty best practices information see the Regulatory Compliance Homepage at dell com regulatory_compliance Removing the Keyboard Prerequisites Remove the battery See Removing the Battery on page 13 Keyboard 15 Procedure NM CAUTION The keycaps on the keyboard are fragile easily dislodged and time consuming to replace Be careful when removing and handling the keyboard 1 Turn the computer over and open the display as far as possible Using a plastic scribe release the keyboard from the tabs on the palm rest and ease the keyboard up until it clears off the palm rest NM CAUTION Be extremely careful when removing and handling the keyboard Failure to do so could result in scratching the display panel 1 tabs 4 2 plastic scribe 3 keyboard 4 palm rest 16 Keyboard 3 Carefully turn the keyboard over and place it on the palm rest 4 Lift the connector latch and pull the pull tab to disconnect the keyboard cable from the system board connector 5 Lift the keyboard away from the computer 1 keyboard cable 2 connector latch 3 tabs 6 Keyboard 17 Replacing the Keyboard Procedure 1 Slide the keyboard cable into the system board connector and press down on the connector latch to secure the cable 2 Slide the tabs at the bottom of the keyboard into the slots on the palm rest and place the keyboard on the palm rest 3 Gently press around the edges of the keyboard to secure the keyboard under the
45. ving the Base Cover on page 19 Procedure 1 Remove the screw that secures the optical drive assembly to the computer base 2 Using your fingertips slide the optical drive assembly out of the optical drive bay 1 optical drive assembly 2 screw Optical Drive 27 28 Carefully pry the optical drive bezel and remove it from the optical drive assembly Remove the screws that secure the optical drive bracket to the optical drive Remove the optical drive bracket 3 4 2 AS A optical drive bezel 2 optical drive optical drive bracket 4 screws 2 Optical Drive Replacing the Optical Drive Procedure 1 Align the screw holes on the optical drive bracket with the screw holes on the optical drive 2 Replace the screws that secure the optical drive bracket to the optical drive 3 Align the tabs on the optical drive bezel with the slots on the optical drive assembly and snap the optical drive bezel into place 4 Slide the optical drive assembly into the optical drive bay until it is fully seated 5 Replace the screw that secures the optical drive assembly to the computer base Postrequisites 1 Replace the base cover See Replacing the Base Cover on page 20 2 Replace the battery See Replacing the Battery on page 13 3 Follow the instructions in After Working Inside Your Computer on page 11 Optical Drive 29 30 Optical Drive Wireless Mini Card N WARNING Before working i
46. ws that secure the display panel to the display cover 2 Carefully lift the display panel and turn it over 1 screws 10 2 display panel 5 display cover 66 Display 3 Peel and lift the tape that secures the display cable to the display board connector and then disconnect the display cable 4 Peel the display cable from the back of the display panel 1 tape 2 display board connector 3 display cable Display 67 5 Turn the display panel over and place it on a clean surface 6 Remove the screws that secure the display panel brackets to the display panel 1 display panel brackets 2 2 screws 4 3 display panel 68 Display Replacing the Display Panel Procedure 1 Align the screw holes on the display panel brackets with the screw holes on the display panel and replace the screws that secure the display panel brackets to the display panel Turn the display panel over Adhere the display cable to the back of the display panel Connect the display cable to the display board connector and secure it with the tape Align the screw holes on the display panel with the screw holes on the display cover and replace the screws that secure the display panel to the display cover Postrequisites 1 hb Nu N 0 N A u Replace the display bezel See Replacing the Display Bezel on page 65 Replace the display assembly See Replacing the Display Assembly on page 63 Replace the palm rest See Rep
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