DELL Inspiron 15 (3520)
Contents
1. 55 Replacing the Display Assembly 58 Display Bezel 0 0000 59 Removing the Display Bezel 59 Replacing the Display Bezel 60 Removing the Display Panel 60 Replacing the Display Panel 2 63 16 Camera Module 65 Removing the Camera Module 65 Replacing the Camera Module 66 17 System Boards faiane atk ws X hh baton 67 Removing the System Board 67 Replacing the System Board 69 Entering the Service Tag in the BIOS 70 18 Flashing the BIOS 71 Contents Contents Contents Before You Begin This manual provides procedures for removing and installing components in your computer Before you begin any procedure in this book ensure that e You have performed the steps in Turning Off Your Computer on page 10 and Before Working Inside Your Computer on page 10 e You have read the safety information that shipped with your computer e Acomponent can be replaced or if purchased separately installed by performing the removal procedure in the reverse order Recommended Tools The procedures in this document may require the following tools e Small flat blade screwdriver e Phillips screwdriver e Plastic scribe e BIOS executable update program available at support dell com Before You Begin 9 Turning Off Your Computer A CAUTION T2. Replace the display bezel See Replacing the Display Bezel on page 60 Replace the display assembly See Replacing the Display Assembly on page 58 CAUTION Before turning on the computer replace all screws and ensure that no stray screws remain inside the computer Failure to do so may result in damage to the computer Display 63 64 Display Camera Module IAN WARNING Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_compliance A CAUTION Only a certified service technician should perform repairs on your computer Damage due to servicing that is not authorized by Dell is not covered by your warranty IN CAUTION To avoid electrostatic discharge ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface such as a connector on your computer AN CAUTION To help prevent damage to the system board remove the main battery see Removing the Battery on page 13 before working inside the computer Removing the Camera Module 1 Follow the instructions in Before You Begin on page 9 Remove the battery See Removing the Battery on page 13 Follow the instructions from step 3 to step in Removing the Palm Rest Assembly on page 29 4 Remove the hinge cover See Removing the Hinge Cover on page 5
3. plastic scribe 2 coin cell battery Replacing the Coin Cell Battery 42 1 2 Follow the instructions in Before You Begin on page 9 With the positive side up snap the coin cell battery into the battery socket on the system board Follow the instructions from step 3 to step 7 in Replacing the Palm Rest Assembly on page 32 Replace the battery See Replacing the Battery on page 14 CAUTION Before turning on the computer replace all screws and ensure that no stray screws remain inside the computer Failure to do so may result in damage to the computer Coin Cell Battery USB Board IAN WARNING Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_compliance AN CAUTION To avoid electrostatic discharge ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface AN CAUTION Only a certified service technician should perform repairs on your computer Damage due to servicing that is not authorized by Dell is not covered by your warranty 7 CAUTION To help prevent damage to the system board remove the main battery see Removing the Battery on page 13 before working inside the computer Removing the USB Board 1 Follow the procedures in Before You Begin on page 9 Remove the battery See Removing the Ba
4. 10 Remove the processor See Removing the Processor Module on page 47 11 Remove the Mini Card See Removing the Mini Card on page 25 12 Disconnect the speakers cable USB board cable microphone cable and AC adapter cable from the connectors on the system board 5 N 5 1 speakers cable 2 USB board cable 3 microphone cable 4 AC adapter cable 13 Remove the two screws that secure the system board to the computer base 14 Lift the system board at an angle and release the connectors on the system board from the slots on the computer base K NOTE Based on the selection you made atthe time of purchase of your computer the dimensions of the system board and the location of the system board components may vary 68 System Board 1 screws 2 2 system board Replacing the System Board 1 Follow the instructions in Before You Begin on page 9 2 Slide the connectors on the system board into the slots on the computer base Replace the two screws that secure the system board to the computer base Connect the speakers cable USB board cable microphone cable and AC adapter cable to the connectors on the system board Replace the Mini Card See Replacing the Mini Card on page 27 Replace the processor See Replacing the Processor Module on page 48 Replace the thermal cooling assembly See Replacing the Thermal Cooling Assembly on page 46 8 Follow the instructions from step 3 to step 4 in Repla
5. WLAN Bluetooth combo card NOTE Depending on the configuration of the computer when it was sold the Mini Card slot may or may not have a Mini Card installed Removing the Mini Card 1 2 3 4 5 Follow the instructions in Before You Begin on page 9 Remove the battery See Removing the Battery on page 13 Remove the keyboard See Removing the Keyboard on page 15 Disconnect the antenna cables from the Mini Card Remove the screw that secures the Mini Card to the system board Wireless Mini Card 25 1 screw 2 antenna cables 2 3 Mini Card 6 Lift the Mini Card out of the connector on the system board 26 Wireless Mini Card VAN 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 Replacing the Mini Card 1 Follow the instructions in Before You Begin on page 9 Remove the new Mini Card from its packaging CAUTION Use firm and even pressure to slide the card into place If you use excessive force you may damage the connector resistance check the connectors on the card and on the system board and realign the card 2 AN CAUTION The connectors are keyed to ensure correct insertion If you feel IN CAUTION To avoid damage to the Mini Card never place cables under the card 3 Insert the Mini Card connector at a 45 degree angle
6. base Palm Rest Assembly 31 1 9 palm rest assembly 2 plastic scribe Remove the power button board See Removing the Power Button Board on page 35 Replacing the Palm Rest Assembly 32 1 2 Follow the instructions in Before You Begin on page 9 Replace the power button board See Replacing the Power Button Board on page 36 Align the palm rest assembly on the computer base and gently snap the palm rest assembly into place Slide the touch pad cable and power button board cable into the connectors on the system board and press down on the connector latches to secure them Replace the two screws on the palm rest assembly Replace the keyboard See Replacing the Keyboard on page 17 Palm Rest Assembly 7 Replace the 11 screws that secure the palm rest assembly to the computer base 8 Replace the battery See Replacing the Battery on page 14 AN CAUTION Before turning on the computer replace all screws and ensure that no stray screws remain inside the computer Failure to do so may result in damage to the computer Palm Rest Assembly 33 34 Palm Rest Assembly Power Button Board IAN WARNING Before working inside your computer read the safety information A A A that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_compliance CAUTION Only a certified service technician should pe
7. carefully spread apart the securing clips on each end of the memory module connector until the module pops up 5 Remove the memory module from the memory module connector Memory 19 1 memory module connector 2 securing clips 2 3 memory module Replacing the Memory Module s AN 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 Follow the instructions in Before You Begin on page 9 2 Align the notch in the memory module with the tab in the memory module connector 3 Slide the memory module firmly into the slot at a 5 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 20 Memory 1 tab 2 notch 4 Replace the keyboard See Replacing the Keyboard on page 17 5 Replace the battery see Replacing the Battery on page 14 or connect the AC adapter to your computer and an electrical outlet AN CAUTION Before turning on the computer replace all screws and ensure that no stray screws remain inside the computer Failure to do so may result in damage to the computer 6 Turn on the computer Memory 21 22 Memory Optical Drive A N WARNING Before working inside your com
8. in Replacing the Palm Rest Assembly on page 32 Replace the battery See Replacing the Battery on page 14 CAUTION Before turning on the computer replace all screws and ensure that no stray screws remain inside the computer Failure to do so may result in damage to the computer Power Button Board Hard Drive A NuD PP gt D WARNING Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_compliance WARNING If you remove the hard drive from the computer when the drive is hot do not touchthe metal housing of the hard drive CAUTION Only a certified service technician should perform repairs on your computer Damage due to servicing that is not authorized by Dell is not covered by your warranty CAUTION To avoid electrostatic discharge ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface such as a connector on your computer CAUTION To help prevent damage to the system board remove the main battery see Removing the Battery on page 13 before working inside the computer CAUTION To prevent data loss turn off your computer see Turning Off Your Computer on page 10 before removing the hard drive assembly Do not remove the hard drive while the computer is On or in Sleep state CAUTION Hard drives ar
9. the screw that secures the optical drive to the computer base Replace the keyboard See Replacing the Keyboard on page 17 Replace the battery See Replacing the Optical Drive on page 24 3 4 5 AN CAUTION Before turning on the computer replace all screws and ensure that no stray screws remain inside the computer Failure to do so may result in damage to the computer 24 Optical Drive Wireless Mini Card IAN WARNING Before working inside your computer read the safety information A A A that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_compliance CAUTION Only a certified service technician should perform repairs on your computer Damage due to servicing that is not authorized by Dell is not covered by your warranty CAUTION To avoid electrostatic discharge ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface such as a connector on your computer CAUTION To help prevent damage to the system board remove the main battery see Removing the Battery on page 13 before working inside the computer NOTE Dell does not guarantee compatibility or provide support for 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 slots for Wireless Local Area Network
10. 1 5 Remove the display assembly See Removing the Display Assembly on page 55 6 Remove the display bezel See Removing the Display Bezel on page 59 7 Disconnect the camera cable from the connector on the camera module 8 Release the two tabs that secure the camera module to the display cover 9 Lift the camera module from the display cover Camera Module 65 1 3 display cover 2 tabs 2 camera module 4 camera cable Replacing the Camera Module 66 1 Follow the instructions in Before You Begin on page 9 Connect the camera cable to the connector on the camera module Use the alignment posts on the display cover to snap the camera module into position Replace the display bezel See Replacing the Display Bezel on page 60 Replace the display assembly See Replacing the Display Assembly on page 58 Replace the hinge cover See Replacing the Hinge Cover on page 53 Follow the instructions from step 3 to step 7 in Replacing the Palm Rest Assembly on page 32 Replace the battery See Replacing the Battery on page 14 CAUTION Before turning on the computer replace all screws and ensure that no stray screws remain inside the computer Failure to do so may result in damage to the computer Camera Module System Board IAN WARNING Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information
11. 4 CAUTION Before turning on the computer replace all screws and ensure that no stray screws remain inside the computer Failure to do so may result in damage to the computer Hard Drive 39 40 Hard Drive Coin Cell Battery IAN WARNING Before working inside your computer read the safety information A A A that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_compliance CAUTION Only a certified service technician should perform repairs on your computer Damage due to servicing that is not authorized by Dell is not covered by your warranty CAUTION To avoid electrostatic discharge ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface such as a connector on your computer CAUTION To help prevent damage to the system board remove the main battery see Removing the Battery on page 13 before working inside the computer Removing the Coin Cell Battery 1 Follow the instructions in Before You Begin on page 9 Remove the battery See Removing the Battery on page 13 Follow the instructions from step 3 to step in Removing the Palm Rest Assembly on page 29 Using a plastic scribe gently pry the coin cell out of the battery socket on the system board Lift the coin cell battery out of the battery socket on the system board Coin Cell Battery 41 1
12. AUTION To help prevent damage to the system board remove the main battery see Removing the Battery on page 13 before working inside the computer AN CAUTION Handle components and cards by their edges and avoid touching pins and contacts Removing the Processor Module 1 Follow the instructions in Before You Begin on page 9 Remove the battery See Removing the Battery on page 13 Follow the instructions from step 3 to step in Removing the Palm Rest Assembly on page 29 4 Remove the thermal cooling assembly See Removing the Thermal Cooling Assembly on page 45 5 To loosen the ZIF socket use a small flat blade screwdriver and rotate the ZIF socket cam screw counterclockwise until it comes to stop AN 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 Processor Module For Inspiron 15 N5050 15 N5040 Only 47 AN CAUTION When removing the processor module pull the module straight up Be careful not to bend the pins on the processor module 6 Liftthe processor module from the ZIF socket 1 processor module 2 ZiF socket 3 Z F socket cam screw Replacing the Processor Module 1 Follow the instructions in Before You Begin on page 9 K NOTE If you install a new processor a new thermal cooling assembly including an affixed thermal pad
13. Dell Inspiron M5040 15 N5040 15 N5050 3520 Owner s Manual Regulatory model P18F Regulatory type P18F001 P18F002 P18F003 DOLL Notes Cautions and Warnings K NOTE A NOTE indicates important information that helps you make better use of your computer AN CAUTION A CAUTION indicates potential damage to hardware or loss of data if instructions are not followed IAN WARNING A WARNING indicates a potential for property damage personal injury or death 2011 2012 Dell Inc All rights reserved Trademarks used in this text Dell the DELL logo and Inspiron are trademarks of Dell Inc Bluetooth is a registered trademark owned by Bluetooth SIG 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 Regulatory model P18F Regulatory type P18F001 P18F002 P18F003 2012 10 Rev A01 Contents 1 Before You Begin 9 Recommended Tools 9 Turning Off YourComputer 10 Before Working Inside YourComputer 10 2 Wale Vn 4 ae hin dena atten aor ee dea eae 13 Removing the Battery 13 Replacing the Battery 14 3 Keyboard 0 0 15 Removing the Keyboard 15 Replacing the Keyboard 17 4 Memory Module s 19 Removing the Memory M
14. Make a note of the display cable and Mini Card antenna cables routing and remove them from the routing guides on the display hinges 60 Display 1 camera cable 2 screws 6 3 display panel 4 display cover 5 display cable 6 Mini Card antenna cables 7 Lift the display panel off the display cover 8 Remove the four screws two on each side that secure the display panel brackets to the display panel Display 61 SN ae a 2 1 screws 4 2 display panel brackets 2 9 Turn the display panel over and place it on a clean surface 10 Peel and lift the tape that secures the display cable to the display board connector and disconnect the display cable 11 Make a note of the display cable routing and peel the cable from the back of the display panel 62 Display 1 3 tape 2 display board connector display cable Replacing the Display Panel 1 2 3 Follow the instructions in Before You Begin on page 9 Attach 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 bracket with the screw holes on the display panel and replace the four screws two on each side Route the display cable and Mini Card antenna cables through the routing guides on the display hinges Align the screw holes on the display panel with the screw holes on the display cover and replace the six screws
15. ation see the Regulatory Compliance Homepage at www dell com regulatory_compliance A CAUTION Only a certified service technician should perform repairs on your computer Damage due to servicing that is not authorized by Dell is not covered by your warranty IN CAUTION To avoid electrostatic discharge ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface such as a connector on your computer AN CAUTION To help prevent damage to the system board remove the main battery see Removing the Battery on page 13 before working inside the computer Removing the Thermal Cooling Assembly 1 Follow the instructions in Before You Begin on page 9 Remove the battery See Removing the Battery on page 13 Follow the instructions from step 3 to step in Removing the Palm Rest Assembly on page 29 4 Disconnect the display cable from the connector on the system board and peel the cable off the thermal cooling assembly Disconnect the fan cable from the connector on the system board In sequential order indicated on the thermal cooling assembly loosen the four captive screws that secure the thermal cooling assembly to the system board 7 Lift the thermal cooling assembly away from the computer Thermal Cooling Assembly 45 1 3 captive screws 4 2 thermal cooling assembly fan cable 4 display cable Replacing the Thermal Cooling Assembly 46 1 2 Follow
16. ched devices from their electrical outlets Disconnect all attached devices from your computer CAUTION To help prevent damage to the system board remove the main battery see Removing the Battery on page 13 before working inside the computer Remove the battery See Removing the Battery on page 13 Turn the computer top side up open the display and press the power button to ground the system board Before You Begin 11 12 Before You Begin Battery IAN WARNING Before working inside your computer read the safety information A A A that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_compliance CAUTION Only a certified service technician should perform repairs on your computer Damage due to servicing that is not authorized by Dell is not covered by your warranty CAUTION To avoid electrostatic discharge ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface such as a connector on your computer CAUTION To avoid damage to the computer use only the battery designed for this particular Dell computer Do not use batteries designed for other Dell computers Removing the Battery 1 2 3 4 5 Follow the instructions in Before You Begin on page 9 Turn off the computer and turn it over Slide the battery lock latch to the unlock position until it clicks
17. cing the Hard Drive on page 39 System Board 69 10 11 12 13 14 15 16 Follow the instructions from step 3 to step 7 in Replacing the Palm Rest Assembly on page 32 Replace the optical drive See Replacing the Optical Drive on page 24 Replace the memory module See Replacing the Memory Module s on page 20 Replace the keyboard See Replacing the Keyboard on page 17 Replace the battery See Replacing the Battery on page 14 Replace any removed cards or blanks in the 3 in media card reader CAUTION Before turning on the computer replace all screws and ensure that no stray screws remain inside the computer Failure to do so may result in damage to the computer Turn on the computer NOTE After you have replaced the system board enter the computer Service Tag into the BIOS of the replacement system board Enter the service tag See Entering the Service Tag in the BIOS on page 70 Entering the Service Tag in the BIOS 1 70 Ensure that the AC adapter is plugged in and that the main battery is installed properly Turn on the computer Press lt F2 gt during POST to enter the system setup program Navigate to the security tab and enter the service tag in the Set Service Tag field System Board 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 Turn on the compu
18. e careful when removing and handling the keyboard Turn the computer over and open the display as far as possible Using a plastic scribe release the four tabs that secure the keyboard to the palm rest and ease the keyboard up until it clears off the palm rest Keyboard 15 1 plastic scribe 2 tabs 4 3 keyboard IN CAUTION The keycaps on the keyboard are fragile easily dislodged and time consuming to replace Be careful when removing and handling the keyboard 5 Carefully turn the keyboard over and place it on the palm rest assembly Lift the connector latch that secures the keyboard cable to the connector on the system board and remove the keyboard cable 7 Lift the keyboard off the computer 16 Keyboard 1 keyboard cable 2 keyboard Replacing the Keyboard 1 2 Follow the instructions in Before You Begin on page 9 Slide the keyboard cable into the connector on the system board Press down on the connector latch to secure the keyboard cable to the connector on the system board Slide the tabs on the keyboard into the slots on the palm rest Gently press around the edges of the keyboard to lock the four tabs securing the keyboard Close the display and turn the computer over Replace the battery See Replacing the Battery on page 14 Keyboard 17 18 Keyboard Memory Module s rN WARNING Before working inside your computer read the safety information that shipped wit
19. e extremely fragile Exercise care when handling the hard drive NOTE Dell does not guarantee compatibility or provide support for hard drives from sources other than Dell NOTE If you are installing a hard drive from a source other than Dell you need to install an operating system drivers and utilities on the new hard drive Removing the Hard Drive 1 2 3 Follow the instructions in Before You Begin on page 9 Remove the battery See Removing the Battery on page 13 Remove the two screws from the computer base Hard Drive 37 rT ta WOME RRR ta RUTAR i i 4 Follow the instructions from step 3 to step 8 in Removing the Palm Rest Assembly on page 29 5 Slide the hard drive to the right to disconnect it from the connector on the system board 6 Lift the hard drive out of the computer base 38 Hard Drive 1 hard drive Replacing the Hard Drive 1 2 Follow the instructions in Before You Begin on page 9 Remove the new hard drive from its packaging Save the original packaging for storing or shipping the hard drive Place the hard drive on the computer base Push the hard drive towards the left to connect it to the connector on the system board Follow the instructions from step 3 to step 7 in Replacing the Palm Rest Assembly on page 32 Replace the two screws to the computer base Replace the battery See Replacing the Battery on page 1
20. ge cover See Removing the Hinge Cover on page 51 Disconnect the display cable from the connector on the system board Display 10 n e a A o o LM M display cable Disconnect the Mini Card antenna cables from the connectors on the Mini Card See Removing the Mini Card on page 25 Make a note of the display cable and Mini Card antenna cables routing and remove the cables from the routing guides Remove the four screws two on each side that secure the display assembly to the computer base Lift and remove the display assembly out of the computer base Display 57 1 display assembly 2 screws 4 Replacing the Display Assembly 58 1 2 Follow the instructions in Before You Begin on page 9 Place the display assembly in position and replace the four screws two on each side that secure the display assembly to the computer base Route the display cable and Mini Card antenna cables through the routing guides Connect the Mini Card antenna cables to the Mini Card See Replacing the Mini Card on page 27 Connect the display cable to the connector on the system board Replace the hinge cover See Replacing the Hinge Cover on page 53 Follow the instructions from step 3 to step 7 in Replacing the Palm Rest Assembly on page 32 Display 8 Replace the two screws to the computer base 9 Replace the battery See Replacing the Battery on page 14 AN CAUTION Befo
21. h your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_compliance A CAUTION Only a certified service technician should perform repairs on your computer Damage due to servicing that is not authorized by Dell is not covered by your warranty AN CAUTION To avoid electrostatic discharge ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface such as a connector on your computer AN CAUTION To help prevent damage to the system board remove the main battery see Removing the Battery on page 13 before working inside the computer You can increase your computer memory by installing memory modules on the system board See the Specifications at support dell com manuals for information on the type of memory supported by your computer K NOTE Memory modules purchased from Dell are covered under your computer warranty Your computer has two user accessible SODIMM sockets labeled DIMM A and DIMM B that can be accessed from the bottom of the computer Removing the Memory Module s Follow the instructions in Before You Begin on page 9 Remove the battery See Removing the Battery on page 13 Remove the keyboard See Removing the Keyboard on page 15 1 2 3 7 CAUTION To prevent damage to the memory module connector do not use tools to spread the memory module securing clips 4 Use your fingertips to
22. into place Slide and hold the battery release latch in the unlock position Slide and lift the battery out of the battery bay Battery 13 1 battery release latch 2 battery 3 battery lock latch Replacing the Battery 1 Follow the instructions in Before You Begin on page 9 2 Slide the battery into the battery bay until it clicks into place 3 Slide the battery lock latch to the lock position 14 Battery Keyboard rN WARNING Before working inside your computer read the safety information A A A that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_compliance CAUTION Only a certified service technician should perform repairs on your computer Damage due to servicing that is not authorized by Dell is not covered by your warranty CAUTION To avoid electrostatic discharge ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface such as a connector on your computer CAUTION To help prevent damage to the system board remove the main battery see Removing the Battery on page 13 before working inside the computer Removing the Keyboard 1 2 A Follow the instructions in Before You Begin on page 9 Remove the battery See Removing the Battery on page 13 CAUTION The keycaps on the keyboard are fragile easily dislodged and time consuming to replace B
23. into the connector on the system board Wireless Mini Card 27 4 28 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 Connect the appropriate antenna cables to the Mini Card you are installing 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 2 antenna cables Main WLAN white triangle white Auxiliary WLAN black triangle black Replace the keyboard See Replacing the Keyboard on page 17 Replace the battery See Replacing the Battery on page 14 CAUTION Before turning on the computer replace all screws and ensure that no stray screws remain inside the computer Failure to do so may result in damage to the computer Install the drivers and utilities for your computer as required NOTE If you are installing a Mini Card from a source other than Dell you must install the appropriate drivers and utilities Wireless Mini Card Palm Rest Assembly IAN WARNING Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_compliance A CAUTION Only a certified service technician should perform repairs on your computer Damage due to servicing that is
24. not authorized by Dell is not covered by your warranty IN CAUTION To avoid electrostatic discharge ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface such as a connector on your computer AN CAUTION To help prevent damage to the system board remove the main battery see Removing the Battery on page 13 before working inside the computer Removing the Palm Rest Assembly 1 Follow the instructions in Before You Begin on page 9 Remove the battery See Removing the Battery on page 13 Remove the 11 screws that secure the palm rest assembly to the computer base Palm Rest Assembly 29 30 E E j 1 i E j i TOME aT eem Ean W TTR i Remove the keyboard See Removing the Keyboard on page 15 Remove the two screws on the palm rest assembly CAUTION Pull on the plastic tab on top of the connectors to avoid damaging the connectors Lift the connector latch that secures the power button board cable and touch pad cable to the connectors on the system board and remove the cables Palm Rest Assembly 1 power button board cable 2 touch pad cable AN CAUTION Carefully separate the palm rest from the computer base to avoid damage to the palm rest 7 Using a plastic scribe carefully pry out the palm rest assembly and then ease the palm rest assembly from the computer base 8 Lift the palm rest assembly off the computer
25. o 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 Shut down your computer e Windows 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 gt Shut down Windows Click Start and then click Shut Down The computer turns off after the operating system shutdown process is completed K If you are using a different operating system see the documentation of your operating system for shut down instructions Ensure that the computer is turned off If your computer did not automatically turn off when you shut down the operating system press and hold the power button until the computer turns off Before Working Inside Your Computer Use the following safety guidelines to help protect your computer from potential damage and to ensure your own personal safety rN WARNING Before working inside your computer read the safety information A A 10 that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_compliance CAUTION To avoid electrostatic discharge ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface such as a connector on your computer CAUTION Handle component
26. odule s 19 Replacing the Memory Module s 20 Contents 5 Optical Drive 0 00000 23 Removing the Optical Drive 23 Replacing the Optical Drive 24 6 Wireless Mini Card 25 Removing the Mini Card 25 Replacing the Mini Card 27 7 Palm Rest Assembly 29 Removing the Palm Rest Assembly 29 Replacing the Palm Rest Assembly 32 8 Power Button Board 35 Removing the Power Button Board 35 Replacing the Power Button Board 36 9 Hard Drive 0 0 37 Removing the Hard Drive 37 Replacing the Hard Drive 39 Contents 10 Coin Cell Battery Removing the Coin Cell Battery Replacing the Coin Cell Battery 11 USB Board Removing the USB Board Replacing the USB Board 12 Thermal Cooling Assembly Removing the Thermal Cooling Assembly Replacing the Thermal Cooling Assembly 13 Processor Module For Inspiron 15 N5050 15 N5040 Only Removing the Processor Module Replacing the Processor Module 14 Hinge Cover Removing the Hinge Cover Replacing the Hinge Cover Contents 1S DISD LAY ssn ones ts ats woes ae dee 55 Display Assembly 55 Removing the Display Assembly
27. or a new thermal pad along with documentation to illustrate proper installation is shipped 48 Processor Module For Inspiron 15 N5050 15 N5040 Only 2 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 that 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 Replace the thermal cooling assembly See Replacing the Thermal Cooling Assembly on page 46 Follow the instructions from step 3 to step 7 in Replacing the Palm Rest Assembly on page 32 Replace the battery See Replacing the Battery on page 14 CAUTION Before turning on the computer replace all screws and ensure that no stray screws remain inside the computer Failure to do so may result in damage to the computer 49 Processor Module For Inspiron 15 N5050 15 N5040 Only 50 Processor Module For Inspiron 15 N5050 15 N5040 Only Hinge Cover rN WARNING Before working inside your computer
28. placing the Battery on page 14 CAUTION Before turning on the computer replace all screws and ensure that no stray screws remain inside the computer Failure to do so may result in damage to the computer Hinge Cover 53 54 Hinge Cover Display rN WARNING Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_compliance A CAUTION Only a certified service technician should perform repairs on your computer Damage due to servicing that is not authorized by Dell is not covered by your warranty IN CAUTION To avoid electrostatic discharge ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface such as a connector on your computer AN CAUTION To help prevent damage to the system board remove the main battery see Removing the Battery on page 13 before working inside the computer Display Assembly Removing the Display Assembly 1 Follow the instructions in Before You Begin on page 9 2 Remove the battery See Removing the Battery on page 13 3 Remove the two screws from the computer base Display 55 56 Alf e WOME siine iaia RUTAR x E i in j Follow the instructions from step 3 to step 8 in Removing the Palm Rest Assembly on page 29 Remove the hin
29. puter read the safety information A ras A that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_compliance CAUTION Only a certified service technician should perform repairs on your computer Damage due to servicing that is not authorized by Dell is not covered by your warranty CAUTION To avoid electrostatic discharge ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface such as a connector on your computer CAUTION To help prevent damage to the system board remove the main battery see Removing the Battery on page 13 before working inside the computer Removing the Optical Drive 1 2 3 4 5 Follow the instructions in Before You Begin on page 9 Remove the battery See Removing the Battery on page 13 Remove the keyboard See Removing the Keyboard on page 15 Remove the screw that secures the optical drive to the computer base Using a plastic scribe push the notch on the optical drive to release it from the optical drive compartment Slide the optical drive out of the optical drive compartment Optical Drive 23 1 plastic scribe 2 screw 3 optical drive 4 notch Replacing the Optical Drive 1 Follow the instructions in Before You Begin on page 9 2 Slide the optical drive into the optical drive compartment until it is fully seated Replace
30. re turning on the computer replace all screws and ensure that no stray screws remain inside the computer Failure to do so may result in damage to the computer Display Bezel Removing the Display Bezel 1 Follow the instructions in Before You Begin on page 9 2 Remove the display assembly See Removing the Display Assembly on page 55 AN CAUTION The display bezel is extremely fragile Be careful when removing it to prevent damaging the display bezel Using your fingertips carefully pry up the inside edge of the display bezel Remove the display bezel 1 display bezel Display 59 Replacing the Display Bezel 1 Follow the instructions in Before You Begin on page 9 2 Realign the display bezel over the display panel and gently snap into place 3 Replace the display assembly See Replacing the Display Assembly on page 58 JN CAUTION Before turning on the computer replace all screws and ensure that no stray screws remain inside the computer Failure to do so may result in damage to the computer Display Panel Removing the Display Panel 1 Follow the instructions in Before You Begin on page 9 2 Remove the display assembly See Removing the Display Assembly on page 55 Remove the display bezel See Removing the Display Bezel on page 59 Disconnect the camera cable from the connector on the camera module Remove the six screws that secure the display panel to the display cover O 0 Aa Ww
31. read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_compliance A CAUTION Only a certified service technician should perform repairs on your computer Damage due to servicing that is not authorized by Dell is not covered by your warranty IN CAUTION To avoid electrostatic discharge ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface such as a connector on your computer AN CAUTION To help prevent damage to the system board remove the main battery see Removing the Battery on page 13 before working inside the computer Removing the Hinge Cover 1 Follow the instructions in Before You Begin on page 9 2 Remove the battery See Removing the Battery on page 13 3 Remove the screw that secures the hinge cover to the computer base Hinge Cover 51 n TOME eli i WU TH ead ut iio 4 Turn the computer over 5 Pry the hinge cover off the computer base 52 Hinge Cover 1 hinge cover Replacing the Hinge Cover 1 2 3 4 5 A Follow the instructions in Before You Begin on page 9 Align the tabs on the hinge cover with the slots on the computer base and snap the hinge cover into place Turn the computer over Replace the screw that secures the hinge cover to the computer base Replace the battery See Re
32. rform repairs on your computer Damage due to servicing that is not authorized by Dell is not covered by your warranty CAUTION To avoid electrostatic discharge ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface such as a connector on your computer CAUTION To help prevent damage to the system board remove the main battery see Removing the Battery on page 13 before working inside the computer Removing the Power Button Board 1 Follow the instructions in Before You Begin on page 9 Remove the battery See Removing the Battery on page 13 Follow the instructions from step 3 to step in Removing the Palm Rest Assembly on page 29 Turn the palm rest assembly over Remove the screw that secures the power button board to the palm rest Push and release the tabs that secure the power button board to the palm rest Lift the power button board along with its cable away from the palm rest Power Button Board 35 alignment post 2 tabs 2 power button board cable 4 power button board screw Replacing the Power Button Board 1 2 36 Follow the instructions in Before You Begin on page 9 Using the alignment post place the power button board on the palm rest assembly and snap it into place Replace the screw that secures the power button board to the palm rest Turn the palm rest assembly over Follow the instructions from step 3 to step 7
33. s and cards with care Do not touch the components or contacts on a card Hold a card by its edges or by its metal mounting bracket Hold a component such as a processor by its edges not by its pins Before You Begin A A CAUTION Only a certified service technician should perform repairs on your computer Damage due to servicing that is not authorized by Dell is not covered by your warranty 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 if you are disconnecting this type of cable press in on the locking tabs before you disconnect the cable As you pull connectors apart keep them evenly aligned to avoid bending any connector pins Also before you connect a cable ensure that both connectors are correctly oriented and aligned CAUTION To avoid damaging the computer perform the following steps before you begin working inside the computer Ensure that the work surface is flat and clean to prevent the computer cover from being scratched Turn off your computer See Turning Off Your Computer on page 10 and all attached devices CAUTION To disconnect a network cable first unplug the cable from your computer and then unplug the cable from the network device Disconnect all telephone or network cables from the computer Press and eject any installed cards from the 3 in 1 media card reader Disconnect your computer and all atta
34. see the Regulatory Compliance Homepage at www dell com regulatory_compliance A CAUTION Only a certified service technician should perform repairs on your computer Damage due to servicing that is not authorized by Dell is not covered by your warranty IN CAUTION To avoid electrostatic discharge ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface such as a connector on your computer AN CAUTION To help prevent damage to the system board remove the main battery see Removing the Battery on page 13 before working inside the computer AN CAUTION Handle components and cards by their edges and avoid touching pins and contacts Removing the System Board Follow the instructions in Before You Begin on page 9 Press and eject any installed cards from the 3 in 1 media card reader 1 2 3 Remove the battery See Removing the Battery on page 13 4 Remove the keyboard See Removing the Keyboard on page 15 5 Remove the memory module s See Removing the Memory Module s on page 19 Remove the optical drive See Removing the Optical Drive on page 23 7 Follow the instructions from step 3 to step 8 in Removing the Palm Rest Assembly on page 29 8 Follow the instructions from step 5 to step 6 in Removing the Hard Drive on page 37 9 Remove the thermal cooling assembly See Removing the Thermal Cooling Assembly on page 45 System Board 67
35. ter Go to support dell com support downloads Locate the BIOS update file for your computer K NOTE The Service Tag for your computer is located on a label at the bottom of your computer If you have your computer s Service Tag a Click Enter a Tag b Enter your computer s Service Tag in the Enter a service tag field click Go and proceed to step 4 If you do not have your computer s Service Tag a Click Select Model b Select the type of product in the Select Your Product Family list c Select the product brand in the Select Your Product Line list d Select the product model number in the Select Your Product Model list K NOTE If you have selected a different model and want to start over again click Start Over on the top right of the menu e Click Confirm A list of results appear on the screen Click BIOS Click Download Now to download the latest BIOS file The File Download window appears Click Save to save the file on your desktop The file downloads to your desktop Click Close if the Download Complete window appears The file icon appears on your desktop and is titled the same as the downloaded BIOS update file Flashing the BIOS 71 8 Double click the file icon on the desktop and follow the instructions on the screen 72 Flashing the BIOS
36. the instructions in Before You Begin on page 9 Align the four captive screws on the thermal cooling assembly with the screw holes on the system board and tighten the screws in sequential order indicated on the thermal cooling assembly Connect the fan cable to the connector on the system board Attach the display cable to the thermal cooling assembly and connect the display cable to the connector on the system board Follow the instructions from step 3 to step 7 in Replacing the Palm Rest Assembly on page 32 Replace the battery See Replacing the Battery on page 14 CAUTION Before turning on the computer replace all screws and ensure that no stray screws remain inside the computer Failure to do so may result in damage to the computer Thermal Cooling Assembly Processor Module For Inspiron 15 N5050 15 N5040 Only IAN WARNING Before working inside your computer read the safety information that shipped with your computer For additional safety best practices information see the Regulatory Compliance Homepage at www dell com regulatory_compliance IN CAUTION Only a certified service technician should perform repairs on your computer Damage due to servicing that is not authorized by Dell is not covered by your warranty IN CAUTION To avoid electrostatic discharge ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface such as a connector on your computer C
37. ttery on page 13 Follow the instructions from step 3 to step in Removing the Palm Rest Assembly on page 29 4 Remove the hard drive See Removing the Hard Drive on page 37 Lift the connector latch that secures the USB board cable to the connector on the USB board and remove the USB board cable 6 Release the tabs that secure the USB board to the computer base and lift the USB board off the computer base USB Board 43 USB board cable 2 USB board tabs 2 Replacing the USB Board 44 1 2 Follow the procedures in Before You Begin on page 9 Slide the connectors on the USB board into the slots on the computer base and snap the USB board into place Slide the USB board cable into the connector on the USB board Press down on the connector latch to secure the USB board cable to the connector on the USB board Replace the hard drive See Replacing the Hard Drive on page 39 Follow the instructions from step 3 to step 7 in Replacing the Palm Rest Assembly on page 32 Replace the battery See Replacing the Battery on page 14 CAUTION Before turning on the computer replace all screws and ensure that no stray screws remain inside the computer Failure to do so may result in damage to the computer USB Board Thermal Cooling Assembly mn WARNING Before working inside your computer read the safety information that shipped with your computer For additional safety best practices inform
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