Dell OptiPlex 7090 Small Form Factor Service Manual Download Page 2

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Notes, cautions, and warnings

NOTE:

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CAUTION:

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Summary of Contents for OptiPlex 7090 Small Form Factor

Page 1: ...OptiPlex 7090 Small Form Factor Service Manual Regulatory Model D15S Regulatory Type D15S004 August 2021 Rev A01 ...

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 front bezel 17 Hard drive 19 Removing the 2 5 3 5 inch hard drive caddy 19 Removing the 2 5 inch hard drive 20 Installing the 2 5 3 5 inch hard drive caddy 21 Installing the 2 5 inch hard drive 22 Solid state drive 23 Removing the M 2 2230 solid state drive 23 Installing the M 2 2230 solid state drive 24 Removing the M 2 2280 solid state drive 25 Installing the M 2 2280 solid state drive 26 Opt...

Page 4: ...8 Installing the power button 48 Power supply unit 49 Removing the power supply unit 49 Installing the power supply unit 52 System board 55 System board callouts 7090 Small Form Factor 55 Removing the system board 56 Installing the system board 59 Chapter 3 Software 63 Drivers and downloads 63 Chapter 4 System setup 64 Boot menu 64 Navigation keys 64 Boot Sequence 65 System setup options 65 Overvi...

Page 5: ...ng a system setup password 84 Deleting or changing an existing system setup password 85 Chapter 5 Troubleshooting 86 SupportAssist diagnostics 86 Diagnostic LED behavior 86 Recovering the operating system 87 Flashing the BIOS 88 Flashing BIOS USB key 88 Backup media and recovery options 88 WiFi power cycle 88 Drain residual flea power perform hard reset 89 Chapter 6 Getting help and contacting Del...

Page 6: ...ith the product or at www dell com regulatory_compliance CAUTION Before touching anything inside your computer ground yourself by touching an unpainted metal surface such as the metal at the back of the computer While you work periodically touch an unpainted metal surface to dissipate static electricity which could harm internal components CAUTION When you disconnect a cable pull it by its connect...

Page 7: ...st 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 Very slight charges can...

Page 8: ...t 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 sounds...

Page 9: ...r loose screws inside your computer may severely damage your computer Steps 1 Replace all screws and ensure that no stray screws remain inside your computer 2 Connect any external devices peripherals or cables you removed before working on your computer 3 Replace any media cards discs or any other parts that you removed before working on your computer 4 Connect your computer and all attached devic...

Page 10: ...screwdriver Phillips 1 screwdriver Plastic scribe Recommended for field technician Screw List The following table shows the screw list and the images for different components Table 1 Screw list Component Screw type Quantity Image M 2 2230 2280 solid state drive M2x3 1 SD card reader M3x5 2 WLAN card M2x3 1 Fan and heatsink assembly Captive screws 4 Power supply unit 6x32 3 System board 6 32 4 2 10...

Page 11: ...Major components of your system 1 Side cover Removing and installing components 11 ...

Page 12: ... Speaker NOTE Dell provides a list of components 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 Side cover Removing the side cover Prerequisites 1 Follow the procedure in before working inside your computer NOTE Ensure that you remo...

Page 13: ...Steps 1 Slide the release latch to the right until your hear a click and slide the cover towards the back of the computer 2 Lift the side cover from the computer Removing and installing components 13 ...

Page 14: ...lacing a component remove the existing component before performing the installation procedure About this task The following image shows the side cover and provides a visual representation of the installation procedure 14 Removing and installing components ...

Page 15: ... your computer 2 Remove the side cover About this task The following image indicate the location of the intrusion switch and provide a visual representation of the removal procedure Steps 1 Press down on the latch on the intrusion switch cable and disconnect it from the connector on the system board 2 Slide the intrusion switch and lift it away from the computer Installing the intrusion switch Pre...

Page 16: ...the connector on the system board until it clicks into place Next steps 1 Install the side cover 2 Follow the procedure in after working inside your computer Front bezel Removing the front bezel Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the side cover About this task The following images indicate the location of the front bezel and provide a visual repres...

Page 17: ...el from the chassis Installing the front bezel 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 front bezel and provides a visual representation of the installation procedure Removing and installing components 17 ...

Page 18: ...18 Removing and installing components ...

Page 19: ...after working inside your computer Hard drive Removing the 2 5 3 5 inch hard drive caddy Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the side cover 3 Remove the front bezel About this task The following images indicate the location of the 2 5 3 5 inch hard drive caddy and provide a visual representation of the removal procedure Removing and installing compo...

Page 20: ...n of the hard drive to avoid errors during installation Removing the 2 5 inch hard drive Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the side cover 3 Remove the front bezel 4 Remove the 2 5 3 5 inch hard drive caddy About this task The following images indicate the location of the hard drive and provide a visual representation of the removal procedure NOTE ...

Page 21: ... from the system Installing the 2 5 3 5 inch hard drive caddy 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 2 5 3 5 inch hard drive caddy and provides a visual representation of the installation procedure Removing and installing components 21 ...

Page 22: ...r cables to the connectors on the hard drive Next steps 1 Install the front bezel 2 Install the side cover 3 Follow the procedure in after working inside your computer Installing the 2 5 inch hard drive Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task The following image shows the hard drive and provides a vis...

Page 23: ...e side cover 4 Follow the procedure in after working inside your computer Solid state drive Removing the M 2 2230 solid state drive Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the side cover 3 Remove the front bezel 4 Remove the 2 5 3 5 inch caddy About this task The following images indicate the location of the M 2 2230 solid state drive and provide a visu...

Page 24: ...alling the M 2 2230 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 M 2 2230 solid state drive and provides a visual representation of the installation procedure 24 Removing and installing components ...

Page 25: ...e side cover 4 Follow the procedure in after working inside your computer Removing the M 2 2280 solid state drive Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the side cover 3 Remove the front bezel 4 Remove the 2 5 3 5 inch hard drive caddy About this task The following images indicate the location of the M 2 2280 solid state drive and provide a visual repr...

Page 26: ...tem board 4 Slide and lift the solid state drive off the system board Installing the M 2 2280 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 M 2 2280 solid state drive and provides a visual representation of the installation procedure 26 Rem...

Page 27: ...secures the solid state drive to the system board 4 Re route the SATA cables through the cable management tab 5 Replace the two screws 6x32 to secure the metal bracket to the computer Next steps 1 Install the 2 5 3 5 inch hard drive caddy 2 Install the front bezel 3 Install the side cover 4 Follow the procedure in after working inside your computer Removing and installing components 27 ...

Page 28: ...ng inside your computer 2 Remove the side cover 3 Remove the front bezel 4 Remove the 2 5 3 5 inch hard drive caddy About this task The following images indicate the location of the hard drive and optical drive bracket and provide a visual representation of the removal procedure 28 Removing and installing components ...

Page 29: ...ch it from the mounting points on the top portion of the chassis 6 Disconnect the power and SATA cables from the optical drive and lift the bracket away from the computer Installing the hard drive and optical drive bracket Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates the locat...

Page 30: ...30 Removing and installing components ...

Page 31: ...the bracket in place 5 Route the optical drive s power and data cables through the routing guide on the bracket 6 Route the hard drive power and SATA cables through the routing guide on the lock Next steps 1 Install the 2 5 3 5 inch hard drive caddy 2 Install the front bezel 3 Install the side cover 4 Follow the procedure in after working inside your computer Removing the slim optical drive Prereq...

Page 32: ...ard drive and optical drive bracket 2 Slide the optical drive out of the hard drive and optical drive bracket Installing the slim optical drive Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task The following images show the slim optical drive and provide a visual representation of the installation procedure 32 ...

Page 33: ... 2 Install the side cover 3 Follow the procedure in after working inside your computer SD card reader Removing the SD card reader Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the side cover 3 Remove the front bezel 4 Remove the 2 5 3 5 inch hard drive caddy 5 Remove the hard drive and optical drive bracket Removing and installing components 33 ...

Page 34: ...re the SD card bracket to the system board and computer 3 Lift the SD card reader from the connector on the system board Installing the SD 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 SD card reader and provides a visual representation of the in...

Page 35: ...acket 3 Install the front bezel 4 Install the side cover 5 Follow the procedure in after working inside your computer WLAN card Removing the WLAN card Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the side cover 3 Remove the front bezel 4 Remove the 2 5 3 5 inch hard drive caddy 5 Remove the hard drive and optical drive bracket About this task The following i...

Page 36: ...lide and remove the wireless card at an angle from the wireless card slot Installing the WLAN card 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 wireless card and provides a visual representation of the installation procedure 36 Removing and installing compo...

Page 37: ... Black 2 Slide and place the wireless card bracket on the wireless card 3 Align the notch on the wireless card with the tab on the wireless card slot 4 Slide the wireless card at an angle into the wireless card slot 5 Replace the screw M2x3 that secures the wireless card to the system board Next steps 1 Install the 2 5 3 5 inch hard drive caddy 2 Install the hard drive and optical drive bracket 3 ...

Page 38: ... the removal procedure Steps 1 Disconnect the fan cable from the connector on the system board 2 Loosen the four captive screws that secure the fan and heat sink assembly to the system 3 Lift the fan assembly from the system Installing the fan and heat sink assembly Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this ...

Page 39: ... 1 Install the front bezel 2 Install the side cover 3 Follow the procedure in after working inside your computer Graphics card Removing the graphics card Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the side cover About this task The following images indicate the location of the graphics card and provide a visual representation of the removal procedure Remov...

Page 40: ... PCIe x16 card slot Installing the graphics card 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 graphics card and provides a visual representation of the installation procedure 40 Removing and installing components ...

Page 41: ...he card is firmly seated 3 Close the expansion card door and press until it clicks into place Next steps 1 Install the side cover 2 Follow the procedure in after working inside your computer Coin cell battery Removing the coin cell battery Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the side cover Removing and installing components 41 ...

Page 42: ...t to release the coin cell battery out of the slot on the system board 2 Lift the coin cell battery off its slot on the system board Installing the coin cell battery 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 coin cell battery and provides a visual repres...

Page 43: ...ving the memory modules Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the side cover 3 Remove the 2 5 3 5 inch hard drive caddy 4 Remove the hard drive and optical drive bracket NOTE CAUTION To prevent damage to the memory module hold the memory module by the edges Do not touch the components on the memory module About this task The following images indicate ...

Page 44: ...he memory module out of the memory module slot NOTE If the memory module is difficult to remove gently ease the memory module back and forth to remove it from the slot Installing the memory modules 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 memory modules...

Page 45: ...OTE Repeat step 1 to step 3 when installing more than one memory module in your computer Next steps 1 Install the 2 5 3 5 inch hard drive caddy 2 Install the side cover 3 Follow the procedure in after working inside your computer Processor Removing the processor Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove the 2 5 3 5 inch hard drive caddy 3 Remove the side ...

Page 46: ...ver down and then push it away from the processor to release it from the securing tab 2 Extend the release lever completely and open the processor cover 3 Gently lift the processor from the processor socket on the system board CAUTION When removing the processor do not touch any of the pins inside the socket or allow any objects to fall on the pins in the socket Installing the processor Prerequisi...

Page 47: ...oned underneath the alignment post NOTE The pin 1 corner of the processor has a triangle that aligns with the triangle on the pin 1 corner on the processor socket When the processor is properly seated all four corners are aligned at the same height If one or more corners of the processor are higher than the others the processor is not seated properly 3 When the processor is fully seated in the soc...

Page 48: ... indicate the location of the power button and provide a visual representation of the removal procedure Steps 1 Disconnect the power button cable from the connector on the system board 2 Press the release tabs on the power button head and slide the power button cable out from the front side chassis of the computer 3 Pull the power button cable out from the computer Installing the power button Prer...

Page 49: ...tton cable to the connector on the system board Next steps 1 Install the hard drive and optical drive bracket 2 Install the 2 5 3 5 inch hard drive caddy 3 Install the front bezel 4 Install the side cover 5 Follow the procedure in after working inside your computer Power supply unit Removing the power supply unit Prerequisites 1 Follow the procedure in before working inside your computer 2 Remove ...

Page 50: ...About this task The following images indicate the location of the power supply unit and provide a visual representation of the removal procedure 50 Removing and installing components ...

Page 51: ...Removing and installing components 51 ...

Page 52: ...supply unit to the chassis 5 Press down on the securing clip to release the power supply from the chassis 6 Slide and lift the power supply from its slot on the chassis Installing the power supply unit 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 supp...

Page 53: ...Removing and installing components 53 ...

Page 54: ...54 Removing and installing components ...

Page 55: ...ws M6X32 6 Connect the optical drive SATA cable through the retention clip on the support bracket Next steps 1 Install the 2 5 inch hard drive assembly 2 Install the hard drive and optical drive bracket 3 Install the side cover 4 Follow the procedure in after working inside your computer System board System board callouts 7090 Small Form Factor 1 Video connector 2 Intrusion switch connector 3 ATX ...

Page 56: ...1 Follow the procedure in before working inside your computer 2 Remove the side cover 3 Remove the front bezel 4 Remove the 2 5 3 5 inch hard drive caddy 5 Remove the graphics card 6 Remove the solid state drive 7 Remove the WLAN card 8 Remove the fan assembly 9 Remove the memory modules 10 Remove the processor About this task The following images indicate the location of the system board and prov...

Page 57: ...Removing and installing components 57 ...

Page 58: ...58 Removing and installing components ...

Page 59: ... button switch ATX CPU power supply cable SATA data cables SATA power cable Fan cable 6 Remove the four screws 6 32 and the single standoff screw M2x4 which secure the system board to the chassis 7 Free the system board from the back I O panel by sliding it towards the right and lift the system board out of the chassis Installing the system board Prerequisites If you are replacing a component remo...

Page 60: ...60 Removing and installing components ...

Page 61: ...2 Replace the four screws 6 32 and the single standoff screw M2X4 screw to secure the system board to the chassis 3 Connect the following cables to the respective connectors on the system board Intrusion switch ATX system board power supply cables Power button switch ATX CPU power supply cable SATA data cables Removing and installing components 61 ...

Page 62: ... O panel into the slot on the chassis 7 Replace the screws 6 32 to secure the I O panel to the chassis Next steps 1 Install the processor 2 Install the fan assembly 3 Install the WLAN card 4 Install the solid state drive 5 Install the memory modules 6 Install the graphics card 7 Install the 2 5 3 5 inch hard drive caddy 8 Install the side cover 9 Follow the procedure in after working inside your c...

Page 63: ... systems along with instructions on how to install the drivers Drivers and downloads When troubleshooting downloading or installing drivers it is recommended that you read the Dell Knowledge Based article Drivers and Downloads FAQ SLN128938 3 Software 63 ...

Page 64: ...ded in this menu The devices listed on the boot menu depend on the bootable devices in the system This menu is useful when you are attempting to boot to a particular device or to bring up the diagnostics for the system Using the boot menu does not make any changes to the boot order stored in the BIOS The options are UEFI Boot Windows Boot Manager Other Options BIOS Setup BIOS Flash Update Diagnost...

Page 65: ...e 3 System setup options System information menu General System Information System Information BIOS Version Displays the BIOS version number Service Tag Displays the Service Tag of the computer Asset Tag Displays the Asset Tag of the computer Ownership Tag Displays the ownership tag of the computer Manufacture Date Displays the manufacture date of the computer Ownership Date Displays the ownership...

Page 66: ...formation of the computer Bluetooth Device Displays the Bluetooth device information of the computer Boot Sequence Boot Sequence Displays the boot sequence Boot List Option Displays the available boot options UEFI Boot Path Security Always Except Internal HDD Enable or disable the system to prompt the user to enter the Admin password when booting a UEFI boot path from the F12 boot menu Default Ena...

Page 67: ...ve password Password Configuration Control the minimum and maximum number of characters allowed for Admin and System passwords Password Change Enable or disable changes to the System and Hard Disk passwords when an administrator password is set UEFI Capsule Firmware Updates Enable or disable BIOS updates through UEFI capsule update packages PTT Security PTT On Enable or disable Platform Trust Tech...

Page 68: ... clock speed and core voltage are adjusted dynamically based on the processor load C States Control Enable or disable additional processor sleep states Default Enabled Intel TurboBoost Enable or disable Intel TurboBoost mode of the processor Default Enabled HyperThread control Enable or disable HyperThreading in the processor Default Enabled Power Management AC Recovery Sets what action the comput...

Page 69: ...ice Enable Enable or disable internal wireless devices Table 11 System setup options Maintenance menu Maintenance Service Tag Display the system s Service Tag Asset Tag Create a system Asset Tag SERR Messages Enable or disable SERR messages BIOS Downgrade Control flashing of the system firmware to previous revisions Data Wipe Enable to securely erase data from all internal storage devices BIOS Rec...

Page 70: ...e clock speed that the CPU is running at currently Core Count This field gives the count of the physical cores on the CPU Processor ID Processor L3 Cache This field shows the amount of cache storage available on the CPU Microcode Version Intel Hyper Threading Capable This field helps identify if the CPU is capable of Hyper Threading 64 bit Technology This field helps identify the CPU architecture ...

Page 71: ...t Mode UEFI only This section allows the user to choose the first bootable device that the computer should use to boot the system It lists all potential bootable devices Windows Boot Manager Enabled by default UEFI Boot Drive Enabled by default Add Boot option Allows the user to manually add a Boot path Secure Digital SD Card Boot This section contains a toggle switch that allows the user to enabl...

Page 72: ...is HH MM SS in 24 hour format The user also has an option to switch between 12 hours or 24 hours clock Audio Enable Audio This section contains a toggle switch that allows the user to enable or disable the audio on the computer It also allows the user to Enable Microphone Enabled by default Serial Port This section allows the user to set the Serial Port Configuration Disabled COM1 Port is configur...

Page 73: ... following time intervals Disabled selected by default 15 days 30 days 60 days 90 days 120 days 150 days 180 days Storage This section provides storage details and settings Table 17 Storage Options Description SATA Operation SATA Operation This section allows the user to select the operating mode of the integrated SATA hard drive controller The following options are available Disabled SATA control...

Page 74: ...ls and settings Table 18 Display Options Description Multi Display This section contains a toggle switch which allows the user to enable disable Multi Display disabled by default This feature is only supported on Windows 7 and above Primary Display Video Primary Display This section allows the user to select the video controller for the primary display when multiple video controllers are detected ...

Page 75: ...tion contains a toggle switch that allows the user to enable or disable HTTP s Boot capabilities ON by default HTTP s Boot Modes Auto Mode HTTP s Boot automatically extracts Boot URL from DHCP Dynamic Host Configuration Protocol Selected by default Manual Mode HTTP s Boot reads Boot URL provided by the user This section also contains an Upload and Delete option for provisioning of the certificates...

Page 76: ...enables the operating system to select appropriate processor performance automatically ON by default Security This section provides security details and settings Table 21 Security Options Description TPM 2 0 Security TPM 2 0 Security On This section contains a toggle switch to select whether Trusted Platform Module TPM is visible to the Operating System OS ON by default Attestation Enable This sec...

Page 77: ... contains a toggle switch to enable disable warnings on intrusion OFF by default SMM Security Mitigation This section allows the user to enable or disable UEFI SMM security Mitigation protections ON by default Data Wipe on Next Boot Start Data Wipe This section contains toggle switch which when enabled ensures that the BIOS will queue up a data wipe cycle for storage device s connected to the syst...

Page 78: ...the system password Internal HDD 0 Password This field allows the user to set change or delete the HDD 0 s password NVMe SSD0 This field allows the user to set change or delete the NVMe SSD 0 s password Password Configurator Upper Case Letter Enable or disable reinforced use of upper case letters OFF by default Lower Case Letter Enable or disable reinforced use of lower case letters OFF by default...

Page 79: ...ve BIOS Recovery from Hard Drive This field contains a toggle switch which allows the user to enable or disable recovery from certain corrupted BIOS conditions from a recovery file on the user s primary hard drive or an external USB key ON by default BIOS Downgrade Allow BIOS Downgrade This field contains a toggle switch which allows the user to enable or disable flashing of the system firmware to...

Page 80: ...lected by default LAN only Allows the system to be powered on by a special LAN signal from a network computer WLAN only Allows the system to power on by special WLAN signals LAN or WLAN Allows the system to power on by special LAN or wireless LAN signals LAN with PXE Boot Allows the system to wake up from S4 or S5 state and boot to PXE Auto On Time Auto On Time This field allows the user to set de...

Page 81: ...tion to run Virtual machine monitor VMM enabled by default VT for Direct I O Enable Intel VT for Direct I O This field allows the user to enable or disable the system from being able to perform VT for Direct I O enabled by default Performance This section provides Performance settings Table 27 Performance Options Description Multi Core Support Active Cores This field allows the user to configure t...

Page 82: ...ds to run on each core enabled by default Dynamic Tuning Machine Learning Enable Dynamic Tuning Machine Learning This field allows the user to configure the OS capability to enhance dynamic power tuning capabilities based on detected workloads disabled by default System Logs This section contains BIOS Thermal and Power event logs Table 28 System Logs Options Description BIOS Event Log Clear BIOS E...

Page 83: ...eboot 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 Steps 1 Follow the procedure from step 1 to step 6 in Updating the BIOS in Windows to download the latest BIOS setup program file 2 Create a bootable USB drive For more information s...

Page 84: ...uter may not boot if you turn off your computer Steps 1 From a turn off state insert the USB drive where you copied the flash into a USB port of the computer 2 Turn on the computer and press F12 to access the One Time Boot Menu select BIOS Update using the mouse or arrow keys then press Enter The flash BIOS menu is displayed 3 Click Flash from file 4 Select external USB device 5 Select the file an...

Page 85: ...tes Ensure that the Password Status is Unlocked in the System Setup before attempting to delete or change the existing System and Setup password You cannot delete or change an existing System or Setup password if the Password Status is Locked 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 System Sec...

Page 86: ...me tests are meant for specific devices and require user interaction Ensure that you are present in front of the computer when the diagnostic tests are performed For more information see SupportAssist Pre Boot System Performance Check Diagnostic LED behavior Table 30 Diagnostic LED behavior Blinking pattern Problem description Suggested resolution Amber White 1 2 Unrecoverable SPI Flash Failure 2 ...

Page 87: ...ntel ME Management Engine Error Timeout waiting on ME to reply to HECI message If problem persists replace the system board 4 2 CPU Power Cable Connection Issue Recovering the operating system When your computer is unable to boot to the operating system even after repeated attempts it automatically starts Dell SupportAssist OS Recovery Dell SupportAssist OS Recovery is a standalone tool that is pr...

Page 88: ...rmation see the knowledge base article 000145519 at www dell com support 3 Copy the BIOS setup program file to the bootable USB drive 4 Connect the bootable USB drive to the computer that needs the BIOS update 5 Restart the computer and press F12 when the Dell logo is displayed on the screen 6 Boot to the USB drive from the One Time Boot Menu 7 Type the BIOS setup program filename and press Enter ...

Page 89: ...s in your computer Draining residual flea power also known as a performing a hard reset is also a common troubleshooting step if your computer does not power on or boot into the operating system To drain residual flea power perform a hard reset Steps 1 Turn off your computer 2 Disconnect the power adapter from your computer 3 Remove the base cover 4 Remove the battery 5 Press and hold the power bu...

Page 90: ...ervice Tag or Express Service Code at www dell com support For more information on how to find the Service Tag for your computer see Locate the Service Tag on your computer Dell knowledge base articles for a variety of computer concerns 1 Go to www dell com support 2 On the menu bar at the top of the Support page select Support Knowledge Base 3 In the Search field on the Knowledge Base page type t...

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