Dell EMC Latitude 7520 Service Manual Download Page 44

Page: 44 / 96

Figure 6. Display assembly without antenna cables

Figure 7. Display assembly with WLAN and WWAN antenna cables

Steps

1. Align and place the display assembly at a convenient angle to the bottom chassis.
2. Replace the six (M2.5x5) screws securing the hinges to the bottom chassis.

Removing and installing components

Summary of Contents for Latitude 7520

Page 1: ...Latitude 7520 Service Manual Regulatory Model P110F Regulatory Type P110F001 January 2021 Rev A00 ...

Page 2: ...ential damage to hardware or loss of data and tells you how to avoid the problem WARNING A WARNING indicates a potential for property damage personal injury or death 2021 Dell Inc or its subsidiaries All rights reserved Dell EMC and other trademarks are trademarks of Dell Inc or its subsidiaries Other trademarks may be trademarks of their respective owners ...

Page 3: ...he base cover 19 Solid state drive 20 Removing the solid state drive 20 Installing the solid state drive 21 WWAN card 22 Removing the WWAN card 22 Installing the WWAN card 24 Battery 25 Lithium ion battery precautions 25 Removing the 3 cell battery 25 Removing the 4 cell battery 26 Installing the 3 cell battery 28 Installing the 4 cell battery 29 Heatsink assembly 30 Removing the heatsink assembly...

Page 4: ...nt reader 64 Removing the power button with fingerprint reader 64 Installing the power button with fingerprint reader 65 Keyboard 66 Removing the keyboard 66 Installing the keyboard 68 Palmrest assembly 71 Removing the palmrest assembly 71 Installing the palmrest assembly 71 Chapter 3 Software 73 Operating system 73 Downloading Windows drivers 73 Chapter 4 System setup 74 BIOS overview 74 Entering...

Page 5: ...89 Running the SupportAssist Pre Boot System Performance Check 90 Diagnostic LED behavior 90 Real Time Clock RTC Reset 91 Flashing BIOS USB key 92 Flashing the BIOS 92 WiFi power cycle 92 BIOS recovery 93 BIOS recovery using hard drive 93 BIOS recovery using USB drive 94 M BIST 94 LCD Built in Self Test BIST 95 Chapter 6 Getting help 96 Contacting Dell 96 Contents 5 ...

Page 6: ... covered by your warranty Read and follow the safety instructions that came with the product CAUTION To avoid electrostatic discharge ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface at the same time as touching a connector on the back of the computer CAUTION Handle components and cards with care Do not touch the components or contacts on a ca...

Page 7: ... the screen press any key to proceed NOTE The Service Mode procedure will automatically skip this step if the Owner Tag of the system is not set up in advance by the manufacturer 4 Ensure that the AC adapter has been disconnected and press any key to proceed Working on your computer 7 ...

Page 8: ...tem will automatically return to normal functioning mode Before working inside your computer About this task NOTE The images in this document may differ from your computer depending on the configuration you ordered Steps 1 Save and close all open files and exit all open applications 2 Shut down your computer Click Start Power Shut down NOTE If you are using a different operating system see the doc...

Page 9: ...n metal surface The wrist strap should be secure and in full contact with your skin and ensure that you remove all jewelry such as watches bracelets or rings prior to bonding yourself and the equipment Electrostatic discharge ESD protection ESD is a major concern when you handle electronic components especially sensitive components such as expansion cards processors memory DIMMs and system boards ...

Page 10: ...st once per week A wrist strap tester is the best method for doing this test If you do not have your own wrist strap tester check with your regional office to find out if they have one To perform the test plug the wrist strap s bonding wire into the tester while it is strapped to your wrist and push the button to test A green LED is lit if the test is successful a red LED is lit and an alarm sound...

Page 11: ...tsink assembly Speaker board Display assembly Speakers Tweeters Tweeters and palmrest antenna assembly Smart card reader Audio board System board I O board Power button with fingerprint reader Keyboard Palmrest assembly Recommended tools The procedures in this document require the following tools Phillips 0 screwdriver Plastic scribe Recommended for field technicians Screw List The following table...

Page 12: ...l Battery M2 5x4 Captive screws 1 4 4 cell Battery M2 5x4 Captive screws 1 4 Heatsink assembly M2x2 5 6 Speaker board M2x2 5 2 Display assembly M2x2 M2 5x5 2 6 Tweeters M2x2 2 Tweeters and Palmrest antenna assembly M2x2 3 SmartCard reader M2x2 5 4 Audio board M2x2 5 2 System board M2x2 M2x2 5 M2x3 M2x4 3 5 2 2 I O board M2x2 5 1 12 Removing and installing components ...

Page 13: ...Table 1 Screw list continued Component Screw type Quantity Image M2x4 2 Power button with fingerprint reader M1 6x1 7 2 Keyboard M1 6x1 7 M2x2 19 2 Removing and installing components 13 ...

Page 14: ...Major components of your system 1 Base cover 14 Removing and installing components ...

Page 15: ...nts and their part numbers for the original system configuration purchased These parts are available according to warranty coverages purchased by the customer Contact your Dell sales representative for purchase options micro SD card Removing the micro SD card About this task The following images indicate the location of the micro SD card reader slot and provide a visual representation of the remov...

Page 16: ...icks into place SIM card tray Removing the SIM card tray Prerequisites Follow the procedure in before working inside your computer About this task The following image provides a visual representation of the SIM card tray removal procedure Steps 1 Insert a pin into the release hole to release the SIM card tray 2 Push the pin to disengage the lock and eject the SIM card tray 3 Slide the SIM card tra...

Page 17: ...on procedure Steps 1 Align and place the SIM card in the dedicated slot on the SIM card tray 2 Slide the SIM card tray into the slot in the system 6 and push it to lock in place Next steps Follow the procedure in After working on your computer Base cover Removing the base cover Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the microSD card 3 Enter the service...

Page 18: ...About this task 18 Removing and installing components ...

Page 19: ...nside the base cover 3 Pry open the left and right sides of the base cover 4 Pry open the bottom side of the base cover 5 Hold the left and right sides of the base cover and remove it from the computer Installing the base cover Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates the ...

Page 20: ...ur computer Follow the procedure in after working inside your computer Solid state drive Removing the solid state drive Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the microSD card 3 Enter the service mode 4 Remove the base cover About this task The following images indicate the location of the solid state drive and provide a visual representation of the re...

Page 21: ...d gets separated from the plate or is adhered to the SSD stick back the thermal pad to the SSD plate before reinstalling the plate to the SSD Installing the solid state drive Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates the location of the solid state drive and provides a visu...

Page 22: ...roSD card 3 NOTE Plug in AC before powering up your computer Follow the procedure in after working inside your computer WWAN card Removing the WWAN card Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the microSD card 3 Enter the service mode 4 Remove the base cover About this task The following images indicate the location of the WWAN card and provide a visual...

Page 23: ...he WWAN card shield from the recess on the top left corner 2 Loosen the single M2x2 5 screw and remove the WWAN card bracket 3 Disconnect the antenna cables from the connectors on the WWAN card 4 Slide and remove the WWAN card out from the M 2 slot on the system board Removing and installing components 23 ...

Page 24: ...eps 1 Align the notch on the WWAN card with the tab on the WWAN card slot and slide the WWAN into the M 2 slot on the system board 2 Connect the antenna cables to the connectors on the WWAN card 3 Align and place the WWAN card bracket and tighten the single M2x2 5 screw securing it to the system board 4 Replace the WWAN card shield over the WWAN card NOTE Insert the edges of the WWAN card shield i...

Page 25: ... not bend the battery Do not use tools of any kind to pry on or against the battery Ensure any screws during the servicing of this product are not lost or misplaced to prevent accidental puncture or damage to the battery and other system components If the battery gets stuck inside your computer as a result of swelling do not try to release it as puncturing bending or crushing a lithium ion battery...

Page 26: ... board and release the speaker cable from the routing guides over the upper right side of the battery 3 Remove the single M2 5x4 screw and the four captive screws that secure the battery to the computer 4 Lift and remove the battery from the computer Removing the 4 cell battery Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the microSD card 3 Remove the base c...

Page 27: ...on of the removal procedure Steps 1 Disconnect the battery cable from the system board 2 Disconnect the speaker cable from the speaker board and unroute the speaker cable from its routing channel over the upper right side of the battery 3 Remove the single M2 5x4 screw and the four captive screws that secure the battery to the computer 4 Lift the battery and remove the battery from the computer Re...

Page 28: ...TE If the battery is disconnected from system board there is delay during computer boot as the computer undergoes RTC reset Steps 1 Align and place the battery into the computer 2 Install the single M2 5x4 screw and four captive screws to secure the battery in place 3 Connect the speaker cable to the speaker board and reroute the speaker cable into its routing channel over the upper right side of ...

Page 29: ...a component remove the existing component before performing the installation procedure About this task The following image indicates the location of the battery and provides a visual representation of the installation procedure NOTE If the battery is disconnected from system board there is delay during computer boot as the computer undergoes RTC reset Removing and installing components 29 ...

Page 30: ... 1 Install the base cover 2 Install the microSD card 3 Follow the procedure in after working inside your computer Heatsink assembly Removing the heatsink assembly Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the microSD card 3 Enter the service mode 4 Remove the base cover About this task The following images indicate the location of the heatsink assembly an...

Page 31: ...es the location of the heatsink assembly and provides a visual representation of the installation procedure Steps 1 Align and place the heatsink assembly into its slot in the computer 2 Replace the two M2x2 5 screws on the fan casing and four M2x2 5 screws in sequential order 1 2 3 4 to secure the heatsink assembly to the computer 3 Connect the fan cable to the system board Next steps 1 Install th...

Page 32: ... indicate the location of the speaker board and provide a visual representation of the removal procedure Steps 1 Disconnect the fan cable from the system board 2 Disconnect the speaker board FPC cable from the system board and speaker cables from speaker board 3 Remove the two M2x2 5 screws that secure the speaker board to the computer 4 Lift and remove the speaker board from the computer 32 Remov...

Page 33: ...Steps 1 Align and place the speaker board into its slot in the computer 2 Replace the two M2x2 5 screws to secure the speaker board to the computer 3 Connect the speaker board FPC cable to the system board and speaker cable to the speaker board 4 Connect the fan cable to the system board Next steps 1 Install the base cover 2 Install the microSD card 3 NOTE Plug in AC before powering up your comput...

Page 34: ...fore working inside your computer 2 Remove the microSD card 3 Enter the service mode 4 Remove the base cover About this task The following images indicate the location of the display assembly and provide a visual representation of the removal procedure 34 Removing and installing components ...

Page 35: ...computer 3 Disconnect the display camera touch screen sensor board cables from the system board and release them from cable guiding tabs 4 Open the display lid to 90º angle and remove the six M2 5x5 screws securing the hinges to the palmrest assembly 5 Remove the display assembly from the computer Removing and installing components 35 ...

Page 36: ...isplay assembly Figure 1 Display assembly without antennae cables Removing the display assembly with WLAN antenna Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the microSD card 3 Enter the service mode 4 Remove the base cover About this task The following images indicate the location of the display assembly and provide a visual representation of the removal p...

Page 37: ...Figure 2 Display assembly with WLAN antenna Removing and installing components 37 ...

Page 38: ...Figure 3 Display assembly with WLAN and WWAN antenna 38 Removing and installing components ...

Page 39: ...ble bracket from the computer 7 Disconnect the display camera touch screen sensor board cables from the system board and release them from cable guiding tabs 8 Open the display lid to 90º angle and remove the six M2 5x5 screws securing the hinges to the palmrest assembly 9 Remove the display assembly from the computer NOTE NOTE The display assembly is a Hinge Up Design HUD assembly and cannot be f...

Page 40: ...igure 5 Display assembly with WLAN and WWAN antenna cables Installing the display assembly Prerequisites If you are replacing a component remove the existing component before performing the installation procedure 40 Removing and installing components ...

Page 41: ...About this task The following image indicates the location of the display assembly and provides a visual representation of the installation procedure Removing and installing components 41 ...

Page 42: ...2x2 screws securing the display cable bracket to the system board Next steps 1 Install the base cover 2 Install the microSD card 3 NOTE Plug in AC before powering up your computer Follow the procedure in after working inside your computer Installing the display assembly with WLAN antenna Prerequisites If you are replacing a component remove the existing component before performing the installation...

Page 43: ...Removing and installing components 43 ...

Page 44: ...e 7 Display assembly with WLAN and WWAN antenna cables Steps 1 Align and place the display assembly at a convenient angle to the bottom chassis 2 Replace the six M2 5x5 screws securing the hinges to the bottom chassis 44 Removing and installing components ...

Page 45: ... the system board 9 Replace the single M2x2 screw securing the WLAN card bracket to the system board Next steps 1 Install the base cover 2 Install the microSD card 3 NOTE Plug in AC before powering up your computer Follow the procedure in after working inside your computer Speakers Removing the speakers Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the microS...

Page 46: ... computer 2 Route the speaker cable along the cable guides on the palmrest assembly NOTE While replacing the speakers route the speaker cable into the routing channels along the bottom side of the palmrest assembly Connect the main speaker cable to the SPK MAIN connector on the speaker board and route the speaker cable over the tweeter speaker cable Next steps 1 Install the battery 2 Install the b...

Page 47: ... your computer 2 Remove the microSD card 3 Enter the service mode 4 Remove the base cover 5 Remove the heatsink assembly About this task The following images indicate the location of the tweeters and provide a visual representation of the removal procedure Removing and installing components 47 ...

Page 48: ...e audio board and peel back the mylar tape securing the tweeter cable to the keyboard bracket audio board FFC and I O board 4 Pry and remove the tweeters from the computer Installing the tweeters Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates the location of the tweeters and pro...

Page 49: ...est assembly 2 Adhere the tape securing the tweeter cable to the audio board FFC and I O board 3 Adhere the mylar tape securing the tweeter cable to the keyboard bracket and connect the tweeter cable to the audio board Removing and installing components 49 ...

Page 50: ...rd Next steps 1 Install the heatsink assembly 2 Install the base cover 3 Install the microSD card 4 NOTE Plug in AC before powering up your computer Follow the procedure in after working inside your computer Tweeters and palmrest antenna assembly Removing the tweeters and palmrest antenna assembly Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the microSD card...

Page 51: ...Steps 1 Remove the single M2x2 screw securing the WLAN card bracket to the antenna cables and remove the bracket from the computer Removing and installing components 51 ...

Page 52: ...Peel back the mylar tape securing the tweeter cable to the keyboard bracket 7 Peel the tape securing the tweeter cable to the audio board FFC and I O board 8 Pry and remove the tweeters or with palmrest antenna assembly from the computer Installing the tweeters and palmrest antenna assembly Prerequisites If you are replacing a component remove the existing component before performing the installat...

Page 53: ...lot in the palmrest assembly 5 Connect the display camera touch screen sensor board cables to the system board 6 Replace the display cable bracket on the eDP connector on the system board 7 Replace the two M2x2 securing the display cable bracket to the system board 8 Connect the antenna cable to the WLAN module on the system board 9 Replace the WLAN antenna bracket and the single M2x2 screw securi...

Page 54: ...king inside your computer 2 Remove the microSD card 3 Remove the base cover 4 Remove the battery 5 Remove the speaker About this task The following images indicate the location of the smart card reader and provide a visual representation of the removal procedure 54 Removing and installing components ...

Page 55: ... slide the smart card reader out from its slot in the chassis Installing the smart card reader Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates the location of the smart card reader and provides a visual representation of the installation procedure Removing and installing componen...

Page 56: ... connect it to the system board Next steps 1 Install the speaker 2 Install the battery 3 Install the base cover 4 Install the microSD card 5 Follow the procedure in after working inside your computer Audio board Removing the audio board Prerequisites 1 Follow the procedure in before working inside your computer 2 Enter the service mode 3 Remove the microSD card 4 Remove the base cover 5 Remove the...

Page 57: ...FC from the system board 3 Remove the two M2x2 5 screws securing the audio board to the computer 4 Lift and remove the audio board from the computer Installing the audio board Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates the location of the audio board and provides a visual re...

Page 58: ... cable to the audio board FFC and connect it to the audio board Next steps 1 Remove the heatsink assembly 2 Install the battery 3 Install the base cover 4 Follow the procedure in after working inside your computer System board Removing the system board Prerequisites 1 Follow the procedure in before working inside your computer 2 Enter the service mode 3 Remove the microSD card 58 Removing and inst...

Page 59: ...d without WWAN antennas the dummy SIM card tray must removed from the system before removing the system board To remove the dummy SIM card tray push the release latch inwards and then slide dummy card tray out of the computer NOTE For non WWAN configurations remove the WWAN card shield and WWAN card bracket before removing the system board About this task The following images indicate the location...

Page 60: ...play camera touch screen sensor board cables from the system board and unroute them from guiding tabs 10 Disconnect the speakers board FPC tweeter cable audio board FFC touchpad FFC USH board FFC and LED board FFC from the system board 11 Remove the four M2x2 5 screws For computer configuration with fingerprint reader on power button or five M2x2 5 screws For computer configuration without fingerp...

Page 61: ...Removing and installing components 61 ...

Page 62: ...rd and secure it using the two M2x2 screws 5 Route the WWAN antenna cables along the rubber guides on the system board and connect it to the WWAN card 6 Connect the WLAN antenna cables to the WLAN module on the system board 7 Replace the WLAN antenna bracket and secure it to the system board using the single M2x2 screw 8 Connect the fingerprint reader FPC to the system board 9 Replace the finger p...

Page 63: ...system board About this task The following images indicate the location of the I O board and provide a visual representation of the removal procedure Steps 1 Remove the single M2x2 5 screw and two M2x4 screws securing the I O board to the computer 2 Lift and remove the I O board from the computer Installing the I O board Prerequisites If you are replacing a component remove the existing component ...

Page 64: ...ll the heatsink assembly 3 Install the solid state drive 4 Install the base cover 5 Install the SIM card 6 Install the microSD card 7 NOTE Plug in AC before powering up your computer Follow the procedure in after working inside your computer Power button with fingerprint reader Removing the power button with fingerprint reader Prerequisites 1 Follow the procedure in before working inside your comp...

Page 65: ...er button with fingerprint reader to the computer 2 Lift and remove the power button with fingerprint reader from the computer Installing the power button with fingerprint reader Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates the location of the power button with fingerprint rea...

Page 66: ... base cover 5 Install the SIM card 6 Install the microSD card 7 NOTE Plug in AC before powering up your computer Follow the procedure in after working inside your computer Keyboard Removing the keyboard Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the microSD card 3 Remove the base cover 4 Remove the solid state drive 5 Remove the WWAN card 6 Remove the batt...

Page 67: ... 10 Remove the system board 11 Remove the I O board About this task The following images indicate the location of the keyboard and provide a visual representation of the removal procedure Removing and installing components 67 ...

Page 68: ...rd assembly to remove it from the computer 5 Remove the two M2x2 screws securing the keyboard to the keyboard support plate 6 Separate the keyboard from the keyboard support plate Installing the keyboard Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates the location of the keyboard...

Page 69: ...Removing and installing components 69 ...

Page 70: ...sembly to the computer 5 Adhere the LED board FFC USH board FFC touchpad FFC and SmartCard reader FFC to the back of the keyboard Next steps 1 Install the I O board 2 Install the system board 3 Install the audio board 4 Install the speaker board 5 Install the heatsink assembly 6 Install the battery 7 Install the WWAN card 8 Install the solid state drive 9 Install the base cover 10 Install the micr...

Page 71: ...emove the smart card reader 13 Remove the audio board 14 Remove the system board 15 Remove the I O board 16 Remove the power button with finger print reader 17 Remove the keyboard Steps After performing the pre requisite steps you are left with the palmrest assembly Installing the palmrest assembly Prerequisites If you are replacing a component remove the existing component before performing the i...

Page 72: ...rd 5 Install the audio board 6 Install the smart card reader 7 Install the tweeters and palmrest antenna 8 Install the speaker 9 Install the display assembly 10 Install the speaker board 11 Install the heatsink assembly 12 Install the battery 13 Install the WWAN card 14 Install the solid state drive 15 Install the base cover 16 Install the SIM card 17 Follow the procedure in after working inside y...

Page 73: ... support 3 Click Product Support enter the Service Tag of your notebook and then click Submit NOTE If you do not have the Service Tag use the auto detect feature or manually browse for your notebook model 4 Click Drivers and Downloads 5 Select the operating system installed on your notebook 6 Scroll down the page and select the driver to install 7 Click Download File to download the driver for you...

Page 74: ...S in Windows System and setup password Clearing BIOS System Setup and System passwords BIOS overview The BIOS manages data flow between the computer s operating system and attached devices such as hard disk video adapter keyboard mouse and printer Entering BIOS setup program About this task Turn on or restart your computer and press F2 immediately Boot menu Press F12 when the Dell logo appears to ...

Page 75: ... F12 key The one time boot menu displays the devices that you can boot from including the diagnostic option The boot menu options are Removable Drive if available STXXXX Drive NOTE XXXX denotes the SATA drive number Optical Drive if available SATA Hard Drive if available Diagnostics NOTE Choosing Diagnostics displays the SupportAssist screen The boot sequence screen also displays the option to acc...

Page 76: ... 64 Bit Technology Displays whether 64 bit technology is used Memory Information Memory Installed Displays the total system memory installed Memory Available Displays the total system memory available Memory Speed Displays the memory speed Memory Channel Mode Displays single or dual channel mode Memory Technology Displays the technology that is used for the memory Devices Information Panel Type Di...

Page 77: ...able Audio Enable or disable the integrated audio controller By default all the options are enabled USB Thunderbolt Configuration Enable or disable booting from USB mass storage devices that are connected to external USB ports By default the Enable External USB Ports option is enabled Enable or disable booting from USB mass storage devices such as external hard drive optical drive and USB drive By...

Page 78: ...e or disable Fingerprint Reader device By default the Enable Fingerprint Reader Device option is enabled Unobtrusive Mode Enable Unobtrusive Mode Enable or disable all the system light and sound By default the Enable Unobtrusive Mode option is disabled Table 5 System setup options Storage menu Storage SATA NVMe Operation SATA NVMe Operation Set the operating mode of the integrated storage device c...

Page 79: ...luetooth Enable or disable the internal Bluetooth device By default the option enabled Contactless smartcard NFC Enable or disable the internal Contactless smartcard NFC device By default the option enabled Enable UEFI Network Stack Enable or disable UEFI Network Stack and controls the on board LAN Controller By default the Enable UEFI Network Stack option is enabled Wireless Radio Control Control...

Page 80: ...ecting a Dell USB C Dock will wake the system from standby By default the Wake on Dell USB C Dock option is enabled Block Sleep Enables to block entering sleep S3 mode in the operating system By default the Block Sleep option is disabled Lid Switch Enable or disable the lid switch By default the Lid Switch option is enabled Intel Speed Shift Technology Enable or disable the Intel speed shift techn...

Page 81: ...Enable or disable or permanently disable the BIOS module interface of the optional Absolute Persistence Module service from Absolute software By default the option is enabled UEFI Boot Path Security Controls whether the system will prompt the user to enter the admin password if set when booting to a UEFI boot device from the F12 boot menu By default the Always Except Internal HDD option is enabled...

Page 82: ... Firmware Updates Enable or disable BIOS updates through UEFI capsule update packages By default the option is enabled BIOS Recovery from Hard Drive Enables the user to recover from certain corrupted BIOS conditions from a recovery file on the user primary hard drive or an external USB key By default the option is enabled BIOS Downgrade Allow BIOS Downgrade Enable or disable the flashing of the sy...

Page 83: ...ey to access MEBx By default OFF option is disabled USB Provision Enable USB Provision Intel AMT can be provisioned using the local provisioning file using a USB storage device By default OFF option is disabled Table 13 System setup options Keyboard menu Keyboard Fn Lock Options By default the Fn lock option is enabled Keyboard Illumination Enables to change the keyboard illumination settings By d...

Page 84: ... Virtualization Technology Enable Intel Virtualization Technology VT Specify whether a Virtual Machine Monitor VMM can use the additional hardware capabilities that are provided by Intel Virtualization Technology By default the option is enabled VT for Direct I O Specify whether a Virtual Machine Monitor VMM can use the additional hardware capabilities that are provided by Intel Virtualization Tec...

Page 85: ...BIOS Event Log Clear Bios Event Log Display BIOS events By default the Keep option is enabled Thermal Event Log Clear Thermal Event Log Display Thermal events By default the Keep option is enabled Power Event Log Clear Power Event Log Display power events By default the Keep option is enabled License Information Displays the license information of the system Updating the BIOS in Windows Prerequisi...

Page 86: ...ed to enter the recovery key to progress and the system will ask for this on each reboot If the recovery key is not known this can result in data loss or an unnecessary operating system re install For more information on this subject see Knowledge Article https www dell com support article sln153694 Updating your system BIOS using a USB flash drive About this task If the computer cannot load into ...

Page 87: ...ta stored on your computer if it is not locked and left unattended NOTE System and setup password feature is disabled Assigning a system setup password Prerequisites You can assign a new System or Admin Password only when the status is in Not Set About this task To enter the system setup press F2 immediately after a power on or reboot Steps 1 In the System BIOS or System Setup screen select Securi...

Page 88: ...is displayed 2 In the System Security screen verify that Password Status is Unlocked 3 Select System Password alter or delete the existing system password and press Enter or Tab 4 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 prompted If you delete the System and Setup pass...

Page 89: ...perating system due to software or hardware failures For more information about the Dell SupportAssist OS Recovery see Dell SupportAssist OS Recovery User s Guide at www dell com support Backup media and recovery options It is recommended to create a recovery drive to troubleshoot and fix problems that may occur with Windows Dell proposes multiple options for recovering Windows operating system on...

Page 90: ... the diagnostic test 7 Select the device from the left pane and click Run Tests 8 If there are any issues error codes are displayed Note the error code and validation number and contact Dell Diagnostic LED behavior Table 19 Diagnostic LED behavior Blinking pattern Problem description Suggested resolution Amber White 1 1 TPM detection failure Replace the system board 1 2 Unrecoverable SPI Flash Fai...

Page 91: ...d 3 4 BIOS Recovery image found but invalid Flash latest BIOS version If problem persists replace the system board 3 5 Power rail failure Replace the system board 3 6 Flash corruption detected by SBIOS Replace the system board 3 7 Timeout waiting on ME to reply to HECI message Replace the system board NOTE Blinking 3 3 3 LEDs on Lock LED Caps Lock or Nums Lock Power button LED without Fingerprint ...

Page 92: ...ort 3 Click Product support enter the Service Tag of your computer and then click Submit NOTE If you do not have the Service Tag use the auto detect feature or manually browse for your computer model 4 Click Drivers downloads Find it myself 5 Select the operating system installed on your computer 6 Scroll down the page and expand BIOS 7 Click Download to download the latest version of the BIOS for...

Page 93: ...from the Dell support site available to use NOTE Ensure that you have the file type extensions visible in the operating system OS Steps 1 Browse to the location of the BIOS update executable exe files 2 Rename the BIOS executable files to BIOS_PRE rcv for the earlier version of the BIOS and BIOS_CUR rcv for the latest version of the BIOS For example if the latest version s file name is PowerEdge_T...

Page 94: ...he file to BIOS_IMG rcv For example if the file name is PowerEdge_T30_0 0 5 exe rename it to BIOS_IMG rcv 3 Copy the BIOS_IMG rcv file to the root directory of the USB key 4 If not plugged in plug in the USB drive restart the system press F2 to enter the System Setup and then press power button to shut down the system 5 Start the system 6 While the system is starting up press the Ctrl Esc keys whi...

Page 95: ...r off the Dell laptop 2 Disconnect any peripherals that are connected to the laptop Connect only the AC adapter charger to the laptop 3 Ensure that the LCD screen is clean no dust particles on the surface of the screen 4 Press and hold D key and Power on the laptop to enter LCD built in self test BIST mode Continue to hold the D key until you see color bars on the LCD screen 5 The screen will disp...

Page 96: ... and telephone based support and service options Availability varies 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 Steps 1 Go to Dell com support 2 Select your support category 3 Verify your country or region in the Choose a Country Region drop down list at the bottom of the page 4 Select the approp...

Search results

Summary of Contents for Latitude 7520

Reviews:

Related manuals for Latitude 7520

Brands by name

Popular brands

Dell EMC Latitude 7520, Service Manual

Search results

Summary of Contents for Latitude 7520

Reviews:

Related manuals for Latitude 7520

Brands by name

Popular brands