DELL Latitude 7250
Contents
1. 2 24 rta cq ee nnus dac esu nd eun kabet ua dame aae baee ean UE mex 52 Working on Your Computer Before Working Inside Your Computer Use the following safety guidelines to help protect your computer from potential damage and to help to ensure your personal safety Unless otherwise noted each procedure included in this document assumes that the following conditions exist e You have read the safety information that shipped with your computer e A component can be replaced or if purchased separately installed by performing the removal procedure in reverse order A A A p A Ea 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 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 CAUTION Many repairs may only be done by a certified service technician You should only perform troubleshooting and simple repairs as authorized in your product documentation or as directed by the online or telephone service and support team Damage due to servicing that is not authorized by Dell is not covered by your warranty Read and follow the safety instructions that came with the product CAUTION2. Assigning a System Password and Setup Password You can assign a new System Password and or Setup Password or change an existing System Password and or Setup Password only when Password Status is Unlocked If the Password Status is Locked you cannot change the System Password K NOTE If the password jumper is disabled the existing System Password and Setup Password are deleted and you need not provide the system password to log on to the computer To enter a system setup press lt F2 gt immediately after a power on or re boot 1 In the System BIOS or System Setup screen select System Security and press lt Enter gt The System Security screen appears 2 In the System Security screen verify that Password Status is Unlocked 3 Select System Password enter your system password and press lt Enter gt or lt Tab gt Use the following guidelines to assign the system password e A password can have up to 32 characters 41 N e The password can contain the numbers O through 9 e Only lower case letters are valid upper case letters are not allowed e Only the following special characters are allowed space C Q U C D AL 0 C Re enter the system password when prompted Type the system password that you entered earlier and click OK Select Setup Password type your system password and press Enter or Tab A message prompts you to re type the setup password Type the setup password that
3. Connect the WWAN and WLAN cables to the computer Install a plamrest b keyboard C keyboard trim d SSD card e base cover f battery Follow the procedures in After Working Inside Your computer Removing the System Board 1 24 Follow the procedures in Before Working Inside Your Computer Remove battery base cover keyboard trim keyboard SSD card palmrest WWAN card WLAN card 2o0750o0ngo i speaker j hinge cover k display assembly 3 Disconnect the power cable from the computer 4 Perform the following steps as shown in the illustration a Disconnect the speaker cable 1 b Lift the tab that secures SIM board cable 2 c Disconnect the SIM board cable from system board 3 5 Perform the following steps as shown in the illustration a Remove the screws that secure the system board to computer chassis 1 b Lift the system board from the computer 2 25 Installing the System Board Align the system board in its place on the computer Tighten the screws to secure the system board Connect the spekar and SIM board cables to the system board Connect eDP cable Install display assembly hinge cover speaker WLAN card WWAN card plamrest SSD card keyboard trim keyboard base cover battery 6 Follow the procedures in After Working Inside Your computer vro ow M p zr Tamm anew Removing the Heatsink 1 Follow the procedures in Before Working
4. USB Configuration USB PowerShare Audio Keyboard Illumination Description Allows you to configure the internal SATA hard drive controller The options are Disabled e AHCI e RAID On Default Setting K NOTE SATA is configured to support RAID mode Allows you to configure the SATA drives on board The options are e SATA 0 e SATA 1 e SATA 2 e SATA 3 Default Setting All drives are enabled This field controls if the hard drive errors for the integrated drives are reported during system startup This technology is part of the SMART Self Monitoring Analysis and Reporting Technology specification e Enable SMART Reporting This option is disabled by default Allows you to define the USB configuration The options are e Enable Boot Support e Enable External USB Port e Enable USB3 0 Controller Default Setting all the options are enabled Allows you to configure the behavior of the USB PowerShare feature This option is disabled by default e Enable USB PowerShare Allows you to enables or disables the integrated audio controller e Enable AudioThis option is enabled by default Allows you to choose the operating mode of the keyboard illumination feature The options are Disabled Default Setting e Dim 55 Option Keyboard Backlight with AC Unobtrusive Mode Miscellaneous Devices Table 4 Video Option LCD Brightness Table 5 Security Option Admin Passwor
5. Wireless Device Enable Table 12 Maintenance Option Service Tag Asset Tag Table 13 System Logs Option BIOS events Thermal Events Power Events Description e WWAN e WLAN e Bluetooth e GPS on WWAN Module All options are enabled by default Allows you to enable or disable the wireless devices The options are e WWAN e Bluetooth e WLAN WiGig All options are enabled by default Description Displays the service tag of your computer Allows you to create a system asset tag if an asset tag is not already set This option is not set by default Description Displays the system event log and allows you to clear the log e Clear Log Displays the thermal event log and allows you to clear the log e Clear Log Displays the power event log and allows you to clear the log e Clear Log Updating the BIOS It is recommended to update your BIOS system setup on replacing the system board or if an update is available For laptops ensure that your computer battery is fully charged and connected to a power outlet 1 Re start the computer Go to dell com support 3 Enter the Service Tag or Express Service Code and click Submit K NOTE To locate the Service Tag click Where is my Service Tag NOTE If you cannot find your Service Tag click Detect My Product Proceed with the instructions on screen 4 Ifyou are unable to locate or find the Service Tag click the Product Category of y
6. 4 e base cover f battery Follow the procedures in After Working Inside Your computer 29 System Setup Boot Sequence Boot Sequence allows you to bypass the System Setup defined boot device order and boot directly to a specific device for example optical drive or hard drive During the Power on Self Test POST when the Dell logo appears you can e Access System Setup by pressing F2 key Bring up the one time boot menu by pressing lt F12 gt key The one time boot menu displays the devices that you can boot from including the diagnostic option The boot menu options are e Removable Drive if available e STXXXX Drive K NOTE XXX denotes the SATA drive number Optical Drive e Diagnostics K NOTE Choosing Diagnostics will display the ePSA diagnostics screen The boot sequence screen also displays the option to access the System Setup screen Navigation Keys The following table displays the system setup navigation keys NOTE For most of the system setup options changes that you make are recorded but do not take effect until you re start the system Table 1 Navigation Keys Keys Navigation Up arrow Moves to the previous field Down arrow Moves to the next field lt Enter gt Allows you to select a value in the selected field if applicable or follow the link in the field Spacebar Expands or collapses a drop down list if applicable lt Tab gt Moves to the next focus area 30
7. Assessment window is displayed listing all devices detected in the computer The diagnostics starts running the tests on all the detected devices 4 Ifyou wish to run a diagnostic test on a specific device press Esc and click Yes to stop the diagnostic test 5 Select the device from the left pane and click Run Tests 6 If there are any issues error codes are displayed Note the error code and contact Dell 43 Device Status Lights Table 14 Device Status Lights O y v Turns on when you turn on the computer and blinks when the computer is in a power management mode Turns on when the computer reads or writes data Turns on steadily or blinks to indicate battery charge status Turns on when wireless networking is enabled Table 15 LED Lights Storage LED Power LED Blinking Solid Blinking Blinking Blinking Blinking Solid Blinking Off Off Solid Blinking ivy inking ivy inking ivy inking Off Blinking Solid Blinking Blinking Wireless LED Solid Solid Blinking Solid Off Blinking ive inking ivy inking Blinking Off Battery Status Lights The device status LEDs are usually located either on the top or left side of the keyboard They display the storage battery and wireless devices connectivity and activity Apart from that they can be useful as a diagnostic tool when there s a possible failure to the system The
8. C 32 F to 104 F 40 C to 70 C 40 F to 158 F Latitude 7250 Touch Latitude 7450 Non Latitude 7450 Touch Touch Touch Front 17 8 mm 17 8 mm 18 8 mm 18 8 mm Height Back 19 4 mm 21 0 mm 20 4 mm 22 6 mm Height Width 310 5 mm 12 22 inches 337 mm 13 2 inches Depth 211 0 mm 8 5 inches 251 5 mm 9 1 inches Weight 1 26 kg 2 791b 1 45 kg 3 21lb 1 55 kg 35 421b 1 71 kg 3 771b with 5 cell battery Light Weight Configurable Items Weight 1 42 kg 5 131b 1 57 kg 3 471b 1 61 kg 3 56lb 1 80 kg 3 971b Bound Weight 1 32 kg 2 911b 1 52 kg 3 371b 1 60 kg 5 541b 1 74 kg 3 84lb Target Table 30 Environmental Feature Temperature Operating Storage Relative humidity maximum Operating Storage 50 Specification 0 C to 60 C 32 F to 140 F 51 C to 71 C 59 F to 159 F 10 to 90 non condensing 5 to 95 non condensing Feature Specification Altitude maximum Operating Non Operating Airborne contaminant level 15 2 m to 3048 m 50 to 10 000 ft 0 to 35 C 15 24 m to 10 668 m 50 ft to 35 000 ft G2 or lower as defined by ISA S71 04 1985 51 7 Contacting Dell NOTE If you do not have an active Internet connection you can find the contact information on your purchase invoice packing slip bill or Dell product catalog Dell provides several online and telephone based support and service options Availability va
9. Keys Navigation K NOTE For the standard graphics browser only lt Esc gt Moves to the previous page till you view the main screen Pressing lt Esc gt in the main screen displays a message that prompts you to save any unsaved changes and restarts the system lt F1 gt Displays the System Setup help file System Setup Options K NOTE Depending on the computer and its installed devices the items listed in this section may or may not appear Table 2 General Option Description System Information This section lists the primary hardware features of your computer e System Information Displays BIOS Version Service Tag Asset Tag Ownership Tag Ownership Date Manufacture Date and the Express Service Code e Memory Information Displays Memory Installed Memory Available Memory Speed Memory Channels Mode Memory Technology DIMM ASize DIMM B Size Processor Information Displays Processor Type Core Count Processor ID Current Clock Speed Minimum Clock Speed Maximum Clock Speed Processor L2 Cache Processor L5 Cache HT Capable and 64 Bit Technology Device Information Displays Primary Hard Drive System eSATA Device Dock eSATA Device LOM MAC Address Video Controller Video BIOS Version Video Memory Panel Type Native Resolution Audio Controller Modem Controller Wi Fi Device WiGig Device Cellular Device Bluetooth Device Battery Information Displays the battery status and the type
10. adea eed duds nstalling the Display Asserblys 2 31 1 rte ee ertet b c e eet eb edes Seeks Removing the Systern Board deerit te ad ead eel nstalling the System Boatd ii pre ete t ee tpe Pte E EP Ped C t deduce Removing thE Fleatslnk eco e re eere er e er b da cad eevee eased tee dee eee nstalling the Heatsink srera rent cg i Ee eee Meade ex e P D eR edu dae do p Removing the Coin Cell Battery ssssssssssssssessssessenenene nennen tnnt rnt n nnn sene nrnt ett n entente Installing the Coin Cell Battery ennt nnns 28 4 S stem SS UU M 30 Boot Sequeric setenta teneret m teile omae mala e e Rn 30 Navigation Keys nette tete e hee eite e e ret t net tu oe ts 30 System Setup Optio Sei iiae m dte art de ese ave ane D f eo tea 51 Updating the BIOS ence GU Ed tbe de ret aam a 40 Systern aridiSet p PdssWOLQ e d nice tet eus meus ibd ds cm ALIAM RUE EL eT TE MY 41 Assigning a System Password and Setup Password sssssssssssssssseeeeeeennn nn 41 Deleting or Changing an Existing System and or Setup Password 42 DUA TIO SUC Meer RT RD 43 Enhanced Pre Boot System Assessment ePSA Diagnostics ssssssss 43 Device Stat scElghtsssu sete te eoe eto et lee Cet e at con aed oat pied estes fang a 44 Battery Status Lights Gne d pu RE le ee eate dede O ctae pied ders 44 G Specifications iii reati rero tanini daen ned bc ene ef ndn tcv dins 46 7 Contacting Dell
11. following table lists how to read the LED codes when possible errors occur Fault Description A possible processor failure has occurred The memory modules are detected but encountered an error A system board failure has occurred A possible graphics card video failure has occurred System failed on hard drive initialization OR System failed in Option ROM initialization The USB controller encountered a problem during initialization No memory modules are installed detected The display encountered a problem during initialization The modem is preventing the system from completing POST Memory failed to initialize or memory is unsupported If the computer is connected to an electrical outlet the battery light operates as follows 44 Alternately blinking amber light and white light Alternately blinking amber light with steady white light Constantly blinking amber light Light off White light on An unauthenticated or unsupported non Dell AC adapter is attached to your laptop Temporary battery failure with AC adapter present Fatal battery failure with AC adapter present Battery in full charge mode with AC adapter present Battery in charge mode with AC adapter present 45 6 Specifications K NOTE Offerings may vary by region The following specifications are only those required by law to ship with your computer For more information about the configuration of your computer go to Hel
12. internal keyboard The option is enabled by default Enable Fn Key Emulation Allows you to hot keys combination toggle the primary behavior The option are e Fn Lock e Lock Mode Disable Standard Lock Mode Enable Secondary Allows you to specifies whether the MEBx Hotkey function should be enable when the system boots The option is enabled by default Allows you to speed up the boot process by bypassing some compatibility steps Minimal e Thorough e Auto Allows to creates an additional pre boot delay and allows the user to see POST status message e Oseconds e b5seconds e 10 seconds Description Allows you to enable or disable the Intel Virtualization Technology Default Setting Enable Intel Virtualization Technology Enables or disables the Virtual Machine Monitor VMM from utilizing the additional hardware capabilities provided by Intel Virtualization technology for direct I O Enable VT for Direct I O This option is enabled by default This option specifies whether a Measured Virtual Machine Monitor MVMM can utilize the additional hardware capabilities provided by Intel Trusted Execution Technology The TPM virtualization Technology and Virtualization technology for direct I O must be enabled to use this feature Trusted Execution disabled by default Description Allows you to determine which wireless device can be controlled by the wireless switch The options are 39 Option
13. 090 a Disconnect the speaker cable 1 b Unroute the speaker cable from the system board 2 4 Perform the following steps as shown in the illustration a Remove the screws that secure the speakers to the computer 1 b Lift the speakers from the computer 2 19 Installing the Speakers 1 Align the speakers to their original position and tighten the screws to secure the speakers to the computer 2 Route the speaker cable on the computer and connect it to the system board 3 Install SIM board plamrest keyboard keyboard trim SSD card base cover battery 4 Follow the procedures in After Working Inside Your computer ampang Removing the Display Hinge Cover 1 Follow the procedures in Before Working Inside Your Computer 2 Remove battery base cover a b C keyboard trim d SSD card e palmrest 3 Remove the screws that secure the display hinge cover to the computer 4 Perform the following steps as shown in the illustration a Remove the screws that secure hinge to the system board 1 b Lift the Hinge from the computer 2 20 Installing the Display Hinge Cover 1 4 Place the display hinge cover and tighten the screws to secure the display hinge cover to the system board Tighten the screws that secures hinge cap to the computer Instal a plamrest b keyboard C keyboard trim d SSD card e base cover f battery Follow the procedure
14. Dell Latitude E7250 Owner s Manual Regulatory Model P22S Regulatory Type P22S002 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 either potential damage to hardware or loss of data and tells you how to avoid the problem A WARNING A WARNING indicates a potential for property damage personal injury or death Copyright 2015 Dell Inc All rights reserved This product is protected by U S and international copyright and intellectual property laws Dell and the Dell logo are trademarks of Dell Inc in the United States and or other jurisdictions All other marks and names mentioned herein may be trademarks of their respective companies 2014 12 Rev AOO Contents 1 Working on Your Computer irent nre irra nt trae tnra tra i racc tus ko nord aa ro ciues 5 Before Working Inside Your CompUter et coc ritratto irre ee tad rete teu 5 Turning Off Your Computer eee te er te et E tee ie ordered ire eee wit eis ie eed 6 After Working Inside Your Computer eene rni nnne riens snnt nnne nnne nt nein 7 2 Docking Your Computer s sssssssssusussnnussnnruesnnruunnnnuunnnnnusnnnuunonnnunsnrnnnnunnan nunen 8 3 Removing and Installing Components esee 9 Recommended TOolscd etichette bg vedette tie aa le e e e ee fo o co n 9 Removing theBattery ana a E ae ab eyed eem nstal
15. Disconnect all network cables from the computer Disconnect your computer and all attached devices from their electrical outlets Close the display and turn the computer upside down on a flat work surface NOTE To avoid damaging the system board you must remove the main battery before you service the computer Remove the main battery Turn the computer top side up Open the display Press the power button to ground the system board CAUTION To guard against electrical shock always unplug your computer from the electrical outlet before opening the display 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 Remove any installed ExpressCards or Smart Cards from the appropriate slots Turning Off Your Computer A 1 CAUTION To avoid losing data save and close all open files and exit all open programs before you turn off your computer Shut down the operating system e In Windows 8 touch enabled device 1 Swipe in from the right edge of the screen opening the Charms menu and select Settings l 2 Select the O and then select Shut down e Using a mouse 1 Point to upper right corner of the screen and click Settings l 2 Click the O and select Shut down e In Windows 7 1 Click st
16. Inside Your Computer 2 Remove battery base cover keyboard trim keyboard SSD card palmrest WWAN card WLAN card so o Aan oo 26 i hinge cover j SIM board k display assembly 3 Disconnect the system fan cable 4 Perform the following steps as shown in the illustration a Remove the screws that secure the heatsink to the computer 1 b Lift the heatsink from the computer 2 Installing the Heatsink Place the heatsink into its original position on the computer Tighten the screws to secure the heatsink to the computer Connect the system fan cable PWN P Install a display assembly b SIM board c hinge cover d WLAN card 27 WWAN card plamrest SSD card keyboard keyboard trim base cover battery 5 Follow the procedures in After Working Inside Your computer aT TE Oo Removing the Coin Cell Battery 1 Follow the procedures in Before Working Inside Your Computer 2 Remove a battery b base cover c keyboard trim d keyboard e SSD card f palmrest 3 Perform the following steps as shown in the illustration a Disconnect the coin cell cable from the computer 1 b Lift the coin cell battery from the computer 2 e SY Installing the Coin Cell Battery 1 Place the Coin cell battery on the computer Connect the coin cell battery cable to the computer 3 Install a plamrest SSD card b c keyboard trim d keyboard 28
17. Setup Lockout Description e Enter the new password e Confirm the new password Default Setting Not set Allows you to enforce the option to always set strong passwords Default Setting Enable Strong Password is not selected You can define the length of your password Min 4 Max 32 Allows you to enable or disable the permission to bypass the System and the Internal HDD password when they are set The options are Disabled Default Setting e Reboot bypass Allows you to enable the disable permission to the System and Hard Drive passwords when the admin password is set Default Setting Allow Non Admin Password Changes is not selected Allows you to determine whether changes to setup option are permitted when an administrator password is set The option is disabled e Allows Wireless Switch Changes Allows you to enable the Trusted Platform Module TPM during POST Default Setting The option is disabled Allows you to activate or disable the optional Computrace software The options are e Deactivate Default Setting e Disable e Activate K NOTE The Activate and Disable options will permanently activate or disable the feature and no further changes will be allowed Allows you to enable the Execute Disable mode of the processor Default Setting Enable CPU XD Support Allows you to set access to enter the Option ROM Configuration screens using hotkeys during boot process The options are e Enable Default Se
18. 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 the back of the computer CAUTION Handle components 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 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 NOTE The color of your computer and certain components may appear differently than shown in this document To avoid damaging your computer perform the following steps before you begin working inside the computer 1 Ensure that your work surface is flat and clean to prevent the computer cover from being scratched 2 Turn off your computer see Turning off Your Computer e 10 11 If the computer is connected to a docking device docked undock it CAUTION To disconnect a network cable first unplug the cable from your computer and then unplug the cable from the network device
19. al cores This option is enabled by default Allows you to enable or disable multi core support for the processor Allows you to enable or disable the Intel SpeedStep feature Default Setting Enable Intel SpeedStep Allows you to enable or disable the additional processor sleep states Default Setting The option C states is enabled Allows you to enable or disable the Intel TurboBoost mode of the processor Option Hyper Thread Control Table 8 Power Management Option AC Behavior Auto On Time USB Wake Support Wireless Radio Control Wake on LAN WLAN Block Sleep Peak Shift Description Default Setting Enable Intel TurboBoost Allows you to enable or disable the HyperThreading in the processor Default Setting Enabled Description Allows the computer to power on automatically when AC adapter is plugged The option is disabled e Wake on AC Allows you to set the time at which the computer must turn on automatically The options are Disabled Default Setting e Every Day e Weekdays Select Days Allows you to enable the USB devices to wake the computer from standby mode The option is disabled e Enable USB Wake Support Allows you to control the WLAN and WWAN radio The options are e Control WLAN radio e Control WWAN radio Default Setting both the options are disabled This option allows the computer to power up from the off state when triggered by a special LAN signal Wa
20. art 2 Click Shut Down Or 1 Click stan 2 Click the arrow in the lower right corner of the Start menu as shown below and then click NU Shut Down 2 Ensure that the computer and all attached devices are turned off If your computer and attached devices did not automatically turn off when you shut down your operating system press and hold the power button for about 6 seconds to turn them off After Working Inside Your Computer After you complete any replacement procedure ensure you connect any external devices cards and cables before turning on your computer IN 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 1 Connect any external devices such as a port replicator or media base and replace any cards such as an ExpressCard 2 Connect any telephone or network cables to your computer CAUTION To connect a network cable first plug the cable into the network device and then plug it into the computer 3 Replace the battery 4 Connect your computer and all attached devices to their electrical outlets 5 Turn on your computer Docking Your Computer Follow the steps to dock your computer a Place the docking spacer until the docking spacer clicks on its place in the docking station b Place the computer on the docking spacer to dock your computer e NOTE This docking spacer can be us
21. d System Password Internal HDD 1 Password 54 Description e Bright Allows you to keyboard illumination will continue to support the various illumination level Allows you to set the mode that will turn off all light and sound emissions from the system This option is disabled by default e Enable Unobtrusive Mode Allows you enable or disable the various on board devices The options are e Enable Microphone e Enable Camera e Enable Media Card e Disable Media Card Default Setting All devices are enabled Description Allows you to set the display brightness depending up on the power source On Battery and On AC Description This field lets you set change or delete the administrator admin password sometimes called the setup password The admin password enables several security features e Enter the old password e Enter the new password e Confirm the new password Default Setting Not set Allows you to set change or delete the system password e Enter the old password e Enter the new password e Confirm the new password Default Setting Not set Allows you to set change or delete the administrator admin password By default the drive will not have a password set e Enter the old password Option Strong Password Password Configuration Password Bypass Password Change Non Admin Setup Changes TPM Security Computrace CPU XD Support OROM Keyboard Access Admin
22. e keyboard to the computer 5 Perform the following steps as shown in the illustration a Slide the keyboard from the computer 1 b Lift the keyboard from the computer 2 Installing the Keyboard Slide the keyboard into its compartment and ensure that it clicks into place Tighten the screws that secure the keyboard to the computer Flip the computer connect the keyboard cable to the computer PWN PF Install a keyboard trim b base cover c battery 5 Follow the procedures in After Working Inside Your computer 15 Removing the Palmrest 1 4 16 Follow the procedures in Before Working Inside Your Computer Remove a battery b base cover c SSD card d e keyboard trim keyboard Remove the screws that secure the palmrest assembly and flip the computer aM e a c9 i i cap a Oo of ee Perform the following steps as shown in the illustration a Lift the latch that secures the keyboard and touch cable to the computer 1 b Disconnect the keyboard and touch cable to the computer 2 c Remove the screws that secure the palmrest assembly to the computer 3 5 Perform the following steps as shown in the illustration a Pry the edges of the palmrest assembly 1 b Lift the palmrest assembly from the computer 2 Installing the Palmrest Align the palm rest assembly to its original position in the computer and snap it into place Tighten th
23. e screws to secure the palmrest assembly to the front of the computer Connect the keyboard and touch cable to the system board Tighten the screws that secure the palmrest assembly to the base of the computer vuBwumrn Install a keyboard keyboard trim SSD card base cover battery pano 17 6 Follow the procedures in After Working Inside Your computer Removing the SIM Board 1 Follow the procedures in Before Working Inside Your Computer Remove a battery b base cover c SSD card d keyboard trim e keyboard f palmrest 3 Perform the following steps as shown in the illustration a Liftthe latch that secure the SIM board cable to the computer 1 b Disconnect the SIM board cable 2 c Remove the screw that secures the SIM board cable to the computer 3 d Lift the SIM board from the computer 4 Installing the SIM Board Place the SIM board on the computer Tighten the screw to secures the SIM board to the computer Connect the SIM board cable to the system board ANE Install a plamrest b keyboard c keyboard trim d SSD card e base cover f battery 5 Follow the procedures in After Working Inside Your computer 18 Removing the Speakers 1 Follow the procedures in Before Working Inside Your Computer Remove battery base cover keyboard trim keyboard SSD card palmrest SIM board 3 Perform the following steps as shown in the illustration o 0oc
24. ed to dock only the Latitude E7250 Latitude E7450 computers You cannot dock any other Dell computers using this docking station 74 NOTE The docking spacer and the dock are optional items and do not ship standard with a system Removing and Installing Components This section provides detailed information on how to remove or install the components from your computer Recommended Tools The procedures in this document may require the following tools Small flat blade screwdriver e Phillips screwdriver Small plastic scribe Removing the Battery 1 Follow the procedures in Before Working Inside Your Computer 2 Slide the release latch to unlock the battery SS Ww CK b u 3v 3 Lift the battery from the computer Installing the Battery 1 Slide the battery into its slot until it clicks into place 2 Follow the procedures in After Working Inside Your computer Removing the Base Cover 1 Follow the procedures in Before Working Inside Your Computer 2 Remove battery 3 Perform the following steps as shown in the illustration a Remove the screws that secure the base cover to the computer 1 b Slide the base cover 2 4 Liftthe base cover to remove it from the computer 10 Installing the Base Cover Place the base cover to align with the screw holes correctly on the computer Tighten the screws to secure the base cover to the computer Install battery Follow the procedure
25. ge e Express Charge Primary AC Use e Custom Charge you can set the percentage to which the battery must charge This option is disabled by default If option enables will periodically sense nearby wireless connection while the system is asleep It will synchronize emails or social media application that were open when system entered the sleep state Smart Connection Disabled Description Allows you to activate the adapter warning messages when certain power adapters are used The option is enabled by default Enable Adapter Warnings Allows you to choose one of two mode it enable the keypad that us embedded in the internal keyboard e Fn Key Only e By Numlock K NOTE When setup is running this option has no effect Setup works in the Fn Key Only mode Allows you to define how the computer handles the mouse and touchpad input The options are e Serial Mouse e PS2 Mouse e Touchpad PS 2 Mouse Default Setting Specifies if the NumLock function can be enabled when the computer boots This option is enabled by default e Enable Numlock Option Fn Key Emulation Fn Lock Option MEBx Hotkey Fastboot Extended BIOS POST Time Table 10 Virtualization Support Option Virtualization VT for Direct I O Trusted Execution Table 11 Wireless Option Wireless Switch Description Allows you to match the lt Scroll Lock gt key feature of PS 2 keyboard with the lt Fn gt key feature in an
26. ke up from the Standby state is unaffected by this setting and must be enabled in the operating system This feature only works when the computer is connected to AC power supply Disabled Does not allow the system to power on by special LAN signals when it receives a wake up signal from the LAN or wireless LAN Default Setting LAN Only Allows the system to be powered on by special LAN signals e WLAN Only e LAN or WLAN Allows you to block the computer from entering into the sleep state This option is disabled by default Block Sleep S3 Peak Shift can be used to minimize AC consumption during peak powers times of day Set the start and end time to run in Peak Shift mode 57 Option Advanced Battery Charge Configuration Primary Battery Configuration Intel Smart Connect Technology Table 9 POST Behavior Option Adapter Warnings Keypad Embedded Mouse Touchpad Numlock Enable 38 Description e Enable Peak Shift Disabled Allows batteries in the system in Advanced Battery Charge Mode to maximize battery health This uses standard charging algorithm and other techniques during nonwork hours to maximize battery health e Enable Advanced Battery Charge Mode Disabled Allows you to define how to use the battery charge when AC is plugged in Note that Advanced Battery Charge Mode must be disabled in order to enable this option The options are e Adaptive Enabled e Standard Char
27. ling the Battery n mete ei t e o ett bete e o ise t ebd b rnc aes Removingithe Base COVer civics rar ehe deep ed der Gada ERR ER ep Ae DEREN Eee FORD stalling the Base Cover nisi cea qp o E MAPA D alae Nun FUITE AREAS Removing the SSD Card Astallinig the SSD Gard th eee tete dere rie IER a LE Eel ide eee d ee tite Removing the WWAN Card uiti etr etn Eee er bee diit be c bte te ee e eu ung stalling the WWAN Card e Ted ele o te e aate dated eas Removirig the WLAN Gard tust ce a db d de ls aaah bre dope eh nstallindg the WEAIN GAaEQ crt err EE exeo EE Re NEVER ates DERART Ege UNE Te ERE saat Removing the Keyboard T rlm iiie tete eee ek ee ira RE AM d Nen Re due Roda a Eu aea stalling the Keyboard Erlernen ed qe a e po ade REMOVING the Keyboard i iae fe bor epulae e thes stalling the Keyboard teet te epit ect e bebe eel Ha ote d o icc a Ho tug Removirig the Paltirest s ss Mik le osi eto Ere ore eden exer dee chee de e tainen ristalling the Palrrirest 2 5 iiec Let et tti RA oed e y o p pde sea Removing the SIM Board 94d tt iet Dee ade oe i D d d a n SERA nstalling the SIM Board Removing the Speakers rstallingthie Speakers eco cerei etr e e De n EO EH CR EORR HO ER deere Leash Removing the Display Hinge Cover nstalling the Display Hinge Cover sssssssssssssssesesseeeennnene nennen tenere innere stet nt nnne nennen Removing the Display Assembly iet etr np eee e Pee ese a bre
28. n in the illustration a Disconnect the WLAN cable from the computer 1 b Loosen the screws that secure the WLAN card to the computer 2 c Remove the WLAN card from the computer 3 Installing the WLAN Card Place the WLAN card in its slot in the computer Tighten the screws to secure the WLAN Card to the computer Connect the WLAN cable to the computer PWN Pp Install a base cover b battery 5 Follow the procedures in After Working Inside Your computer Removing the Keyboard Trim 1 Follow the procedures in Before Working Inside Your Computer 2 Remove battery 3 Using a plastic scribe pry the edges of keyboard trim to release it from the computer 4 Liftup to remove the keyboard trim from the computer 13 Installing the Keyboard Trim Align the keyboard trim to its slot Press along the sides of the keyboard trim until it clicks in place Install battery Follow the procedures in After Working Inside Your computer RANE Removing the Keyboard 1 Follow the procedures in Before Working Inside Your Computer Remove a battery b base cover c keyboard trim 3 Perform the following steps as shown in the illustration a Lift the battery bay that secures the keyboard to the computer 1 b Lift the latch that secure the keyboard cable to the computer 2 c Disconnect the keyboard cable the computer 3 14 4 Flip the computer and remove the screws that secure th
29. of AC adapter connected to the computer Boot Sequence Allows you to change the order in which the computer attempts to find an operating system e Diskette Drive e Internal HDD e USB Storage Device e CD DVD CD RW Drive 31 Option Advance Boot Option Date Time Table 3 System Configuration Option Integrated NIC Parallel Port Serial Port 32 Description e Onboard NIC You can also choose the Boot List option The options are e Legacy Default Setting e UEFI This option is required for Legacy boot mode This option is not allowed if Secure Boot is enabled e Enable Legacy Option ROMs This option is disabled by default Allows you to set the date and time Description Allows you to configure the integrated network controller The options are e Disabled e Enabled e Enabled w PXE This option is enabled by default e Enable UEFI Network Stack This allows you to enable UEFI Networking Protocols in pre OS and early OS networking environment Allows you to define and set how the parallel port on the docking station Operates You can set the parallel port to Disabled AT e PS2 e ECP Identifies and defines the serial port settings You can set the serial port to e Disabled e COMI Default Setting e CON2 e COM3 e COM4 K NOTE The operating system may allocate resources even if the setting is disabled Option SATA Operation Drives SMART Reporting
30. our computer 40 5 Choose the Product Type from the list 6 Select your computer model and the Product Support page of your computer appears 7 Click Get drivers and click View ALL Drivers The Drivers and Downloads page opens 8 Onthe Drivers and Downloads screen under the Operating System drop down list select BIOS 9 Identify the latest BIOS file and click Download File You can also analyze which drivers need an update To do this for your product click Analyze System for Updates and follow the instructions on the screen 10 Select your preferred download method in the Please select your download method below window click Download File The File Download window appears 11 Click Save to save the file on your computer 12 Click Run to install the updated BIOS settings on your computer Follow the instructions on the screen System and Setup Password You can create a system password and a setup password to secure your computer Password Type Description System password Password that you must enter to log on to your system Setup password Password that you must enter to access and make changes to the BIOS settings of your computer A CAUTION The password features provide a basic level of security for the data on your computer CAUTION Anyone can access the data stored on your computer if it is not locked and left unattended K NOTE Your computer is shipped with the system and setup password feature disabled
31. p and Support in your Windows operating system and select the option to view information about your computer Table 16 System Information Feature Specification Chipset Wildcat Point LP DRAM bus width 64 bit Flash EPROM SPI 32 Mbits 64 Mbits PCle bus 100 MHz External Bus Frequency DMI 5GT s Table 17 Processor Feature Specification Types Intel Core i3 i5 i7 L3 cache 3 MB 4MB 6 MB and 8 MB Table 18 Memory Feature Specification Memory connector Two SODIMM slots Memory capacity 2GB 4GB or 8GB Memory type DDR3L SDRAM 1600MHz Minimum memory 2 GB Maximum memory 16 GB Table 19 Audio Feature Spefcaton st s i i sSSCS Type Four channel high definition audio Controller Latitude E7250 E7450 Realtek ALC3235 Latitude 7250 7450 Realtek AL3234 46 Feature Specification Stereo conversion 24 bit analog to digital and digital to analog Interface Internal High definition audio External Microphone in stereo headphones and headset combo connector Speakers Two Internal speaker amplifier 2 W RMS per channel Volume controls Hot keys Table 20 Video Feature Specification Type Integrated on system board Controller UMA Intel HD Graphics 5500 Data bus PCI E Gen2 x4 External display support e one HDMI e one mDP NOTE Support one VGA two DP DVI ports through Docking station Table 21 Camera Features Specification Camera Resolution HD camera
32. resolution 1280 x 720 pixels Non Touch FHD camera resolution 1920 x 1080 pixels Touch Video Resolution maximum 1280 x 720 pixels Diagonal viewing angle 74 Table 22 Communications Features Specification Network adapter 10 100 1000 Mb s Ethernet RJ 45 Wireless Internal wireless local area network WLAN and wireless wide area network WWAN 47 Table 23 Ports and Connectors Features Specification Audio One microphone stereo headphone speakers connector Video e one HDMI Network adapter USB 3 0 Memory card reader Micro Subscriber Identity Module uSIM card Docking port Table 24 Display e one mDP RJ 45 connector One USB 3 0 one PowerShare Support upto SD4 0 One One Feature Specification Latitude 7250 Latitude 7450 Type HD FHD W Touch HD FHD Dimensions Height 181 4 mm 194 9 mm 205 6 mm 205 6 mm Width 290 5 mm 302 8 mm 320 9 mm 320 9 mm Diagonal 3 0mm 5 95 mm 3 0 mm 3 2mm Maximum 1366 x 768 1920 x 1080 1366 x 768 1920 x 1080 resolution Refresh rate 60 Hz 48 Hz 60 Hz 48 Hz Minimum Viewing Angles Horizontal 40 80 Vertical 10 30 80 Pixel pitch 0 2025 x 0 2025 0 144 x 0 144 Table 25 Keyboard Feature 60 Hz 48 Hz 60 Hz 48 Hz 40 80 10 30 80 0 2265 x 0 2265 0 161 x 0 161 Specification FHD W Touch 215 0 mm 328 8 mm 4 15 mm 1920 x 1080 60 Hz 48 Hz 80 80 0 161 x 0 161 Number of keys 48 United Sta
33. ries by country and product and some services may not be available in your area To contact Dell for sales technical support or customer service issues Go to dell com contactdell 52
34. s in After Working Inside Your computer Removing the Display Assembly 1 2 Follow the procedures in Before Working Inside Your Computer Remove a battery b base cover C keyboard trim d keyboard e SSD card f palmrest Disconnect the cable 21 4 Perform the following steps as shown in the illustration a Disconnect the WWAN and WLAN cable from the computer 1 b Unroute the cable from the slot 2 5 Perform the following steps as shown in the illustration a Remove the screw that secures the display cable to the computer 1 b Lift the tab that secures display cable to the computer 2 c Disconnect the cable from the computer 3 22 6 Perform the following steps as shown in the illustration a Unroute the cable from the slot 1 b Pull the antenna cables from the holes on the base chassis that secure the display assembly to the computer 2 7 Perform the following steps as shown in the illustration a Remove the screws that secure the display assembly to the computer 1 b Lift the display assembly from the computer 2 25 Installing the Display Assembly 1 Oo gv a why Insert the display and wireless antenna cables through the holes on the base chassis and connect them Place the display assembly onto the computer Tighten the screws on both sides to secure the display assembly Route and connect the display cables through the routing channel
35. s in After Working Inside Your computer PAWN P Removing the SSD Card 1 Follow the procedures in Before Working Inside Your Computer 2 Remove a battery b base cover 3 Perform the following steps as shown in the illustration a Remove the screws that secure the SSD card to the computer 1 b Lift and remove the SSD card from the computer 2 11 Installing the SSD Card 1 Place the SSD card in its slot in the computer Tighten the screws to secure the SSD Card to the computer 3 Install a base cover b battery 4 Follow the procedures in After Working Inside Your computer Removing the WWAN Card 1 Follow the procedures in Before Working Inside Your Computer Remove a battery b base cover 3 Perform the following steps as shown in the illustration a Disconnect the WWAN cable from the computer 1 b Loosen the screws that secure the WWAN card to the computer 2 c Remove the WWAN card from the computer 3 Installing the WWAN Card Place the WWAN card in its slot in the computer Tighten the screws to secure the WWAN Card to the computer Connect the WWAN cable to the computer PWN P Install a base cover b battery 5 Follow the procedures in After Working Inside Your computer Removing the WLAN Card 1 Follow the procedures in Before Working Inside Your Computer 2 Remove a battery 12 b base cover 3 Perform the following steps as show
36. s to test your computer s hardware without requiring additional equipment or risking data loss If you are unable to fix the problem yourself service and support personnel can use the diagnostics results to help you solve the problem Enhanced Pre Boot System Assessment ePSA Diagnostics The ePSA diagnostics also known as system diagnostics performs a complete check of your hardware The ePSA is embedded with the BIOS and is launched by the BIOS internally The embedded system diagnostics provides a set of options for particular devices or device groups allowing you to e Run tests automatically or in an interactive mode e Repeat tests Display or save test results e Run thorough tests to introduce additional test options to provide extra information about the failed device s e View status messages that inform you if tests are completed successfully e View error messages that inform you of problems encountered during testing AN CAUTION Use the system diagnostics to test only your computer Using this program with other computers may cause invalid results or error messages K NOTE Some tests for specific devices require user interaction Always ensure that you are present at the computer terminal when the diagnostic tests are performed 1 Power on the computer 2 As the computer boots press the lt F12 gt key as the Dell logo appears 3 On the boot menu screen select the Diagnostics option The Enhanced Pre boot System
37. tes 82 keys United Kingdom 83 keys Brazil 84 keys and Japan 86keys Table 26 Touchpad Feature Specification Latitude 7250 Latitude 7450 Active Area X axis 99 5 mm 99 5 mm Y axis 55 0 mm 55 0 mm Table 27 Battery Feature Specification Type e 3 cell Lithium Polymer battery with ExpressCharge e 4 cell Lithium Polymer battery with ExpressCharge Dimensions Latitude 7250 Latitude 7450 5 cell 4 cell Depth 80 75 mm 3 18 inches 74 75 mm 2 94 inches Height 7 20 mm 0 28 inch 8 00 mm 0 31 inch Width 282 00 mm 11 10 inches 508 50 mm 12 15 inches Weight 3 cell 250 00 g 0 55 lb 247 00 g 0 54 lb 4 cell 300 00 g 0 66 lb 308 00 g 0 68 lb Voltage 3 cell 11 10 VDC 4 cell 7 40 VDC Temperature range Operating Charge 0 C to 50 C 32 F to 158 F Discharge 0 C to 70 C 32 F to 122 F Non Operating 20 C to 65 C 4 F to 149 F Coin cell battery 3 V CR2032 lithium coin cell Table 28 AC Adapter Feature Specification Type 65 W and 90 W Input voltage 90 VAC to 264 VAC Input current maximum 150A Input frequency 47 Hz to 65 Hz 49 Feature Output power Output current Rated output voltage Weight Dimensions Temperature range Operating Non Operating Table 29 Physical Feature Latitude 7250 Non Specification 65 W and 90 W 3 34 A and 4 62 A 19 5 VDC 230 g 65 W and 285 g 90 W 107 46 29 5 mm 65W 130 66 22 mm 90W 0 C to 40
38. tting e One Time Enable e Disable Allows you to prevent users from entering Setup when an Administrator password is set Default Setting Disabled 55 Table 6 Secure Boot Secure Boot Enable Expert key Management Table 7 Performance Option Multi Core Support Intel SpeedStep C States Control Intel TurboBoost 36 Allows you to enable or disable Secure Boot feature e Disabled e Enabled Default Setting NOTE For enable system needs to be UEFI boot mode and enable legacy option ROMs to be turned off Allows you to manipulate the security key databases only if the system is in Custom Mode The Enable Custom Mode option is disabled by default The options are e PK e KEK e db e dbx If you enable the Custom Mode the relevant options for PK KEK db and dbx appear The options are e Save to File Saves the key to a user selected file Replace from File Replaces the current key with a key from a user selected file e Append from File Adds a key to the current database from a user selected file e Delete Deletes the selected key Reset All Keys Resets to default setting e Delete All Keys Deletes all the keys K NOTE If you disable the Custom Mode all the changes made will be erased and the keys will restore to default settings Description This field specifies whether the process will have one or all cores enabled The performance of some applications will improve with the addition
39. you entered earlier and click OK Press Esc and a message prompts you to save the changes Press Y to save the changes The computer reboots Deleting or Changing an Existing System and or Setup Password Ensure that the Password Status is Unlocked in the System Setup before attempting to delete or change the existing System and or Setup password You cannot delete or change an existing System or Setup password if the Password Status is Locked To enter the System Setup press F2 immediately after a power on or reboot 1 et 42 In the System BIOS or System Setup screen select System Security and press Enter The System Security screen is displayed In the System Security screen verify that Password Status is Unlocked Select System Password alter or delete the existing system password and press Enter or Tab Select Setup Password alter or delete the existing setup password and press Enter or Tab NOTE If you change the System and or Setup password re enter the new password when promoted If you delete the System and or Setup password confirm the deletion when promoted Press Esc and a message prompts you to save the changes Press Y to save the changes and exit from the System Setup The computer reboots 5 Diagnostics If you experience a problem with your computer run the ePSA diagnostics before contacting Dell for technical assistance The purpose of running diagnostics i
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