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About this task

NOTE:

 This procedure applies only to computers shipped with an M.2 2230 solid-state drive installed in SSD1 slot.

NOTE:

 Depending on the configuration ordered, your computer may support an M.2 2230 solid-state drive or an M.2 2280

solid-state drive in the SSD1 slot.

NOTE:

 Install the solid-state drive mounting bracket, if it is not installed.

The following image indicates the location of the M.2 2230 solid-state drive that is installed in the SSD1 slot and provides a
visual representation of the installation procedure.

Steps

1. Align the notch on the solid-state drive with the tab on the SSD1 slot.
2. Slide the solid-state drive into the SSD1 slot.
3. Using the alignment post, place the solid-state drive thermal bracket over the solid-state drive.
4. Align the screw hole on the solid-state drive thermal bracket with the screw hole on the system board.
5. Replace the screw (M2x4) that secures the solid-state drive thermal bracket and the solid-state drive to the system board.

Next steps

1. Install the 

base cover

.

2. Install the 

battery

3. Follow the procedure in 

After working inside your computer

.

Removing the M.2 2280 solid-state drive from the SSD1 slot

Prerequisites

1. Follow the procedure in 

Before working inside your computer

.

2. Remove the 

base cover

.

3. Remove the 

battery

.

22

Removing and installing components

Summary of Contents for P92F

Page 1: ...Precision 5760 Service Manual Regulatory Model P92F Regulatory Type P92F002 September 2021 Rev A02 ...

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: ...te drive in the SSD1 slot 21 Removing the M 2 2280 solid state drive from the SSD1 slot 22 Installing the M 2 2280 solid state drive in the SSD1 slot 23 Solid state drive in SSD2 slot 24 Removing the M 2 2230 solid state drive from the SSD2 slot 24 Installing the M 2 2230 solid state drive in the SSD2 slot 25 Removing the M 2 2280 solid state drive from the SSD2 slot 26 Installing the M 2 2280 sol...

Page 4: ... password 68 Deleting or changing an existing system setup password 68 Clearing CMOS settings 69 Clearing BIOS System Setup and System passwords 69 Updating the BIOS 69 Updating the BIOS in Windows 69 Updating the BIOS using the USB drive in Windows 70 Updating the BIOS in Linux and Ubuntu 70 Updating the BIOS from the F12 One Time boot menu 70 Chapter 5 Troubleshooting 72 Handling swollen Lithium...

Page 5: ...r computer For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance WARNING Disconnect your computer from 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 your computer to an electrical outlet CAUTION To avoid damaging the computer ens...

Page 6: ...may cause degradation of memory integrity intermittent memory errors etc The more difficult type of damage to recognize and troubleshoot is the intermittent also called latent or walking wounded failure Perform the following steps to prevent ESD damage Use a wired ESD wrist strap that is properly grounded The use of wireless anti static straps is no longer allowed they do not provide adequate prot...

Page 7: ...y handling any hardware components ESD Packaging All ESD sensitive devices must be shipped and received in static safe packaging Metal static shielded bags are preferred However you should always return the damaged part using the same ESD bag and packaging that the new part arrived in The ESD bag should be folded over and taped shut and all the same foam packing material should be used in the orig...

Page 8: ...n the component is replaced NOTE Some computers have magnetic surfaces Ensure that the screws are not left attached to such surfaces when replacing a component NOTE Screw color may vary with the configuration ordered Table 1 Screw list Component Secured to Screw type Quantity Screw image Base cover Palm rest and keyboard assembly Torx M2 5x4 8 Battery System board and palm rest and keyboard assemb...

Page 9: ... board and palm rest and keyboard assembly M1 6x4 1 Right fan System board and palm rest and keyboard assembly M2x4 2 Heat sink for integrated graphics card System board M2x6 5 captive screw 4 Heat sink for discrete graphics card System board M2x6 5 captive screw 6 I O board Palm rest and keyboard assembly M2x4 3 Display assembly cable bracket Palm rest and keyboard assembly M2x4 2 Left hinge Syst...

Page 10: ... assembly M2x2 4 Wireless card bracket System board M2x4 1 USB port bracket left Palm rest and keyboard assembly M2x4 2 USB port bracket right Palm rest and keyboard assembly M2x4 2 Major components of Precision 5760 The following image shows the major components of Precision 5760 10 Removing and installing components ...

Page 11: ...1 Base cover 2 Battery 3 Solid state drive 1 thermal bracket Removing and installing components 11 ...

Page 12: ...drive thermal bracket illustrated 16 I O board 17 USB Type C port bracket 18 Left fan 19 Heat sink 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 Base cover Removing the base cover Prerequisit...

Page 13: ...Removing and installing components 13 ...

Page 14: ...he palm rest and keyboard assembly 3 Grasp the left side and the right side of the base cover and remove the base cover from the palm rest and keyboard assembly NOTE The following steps are applicable only if you want to further remove any other component from your computer NOTE Disconnecting the battery cable removing the battery or draining the flea power clears the CMOS and resets the BIOS sett...

Page 15: ... error appears and set the date and time on your computer to resume normal functionality 4 Disconnect the battery cable from the system board 5 Turn your computer over and press the power button for 5 seconds to drain the flea power Installing the base cover Prerequisites About this task The following images indicate the location of the base cover and provide a visual representation of the install...

Page 16: ... your computer Battery Lithium ion battery precautions CAUTION Exercise caution when handling Lithium ion batteries Discharge the battery completely before removing it Disconnect the AC power adapter from the system and operate the computer solely on battery power the battery is fully discharged when the computer no longer turns on when the power button is pressed Do not crush drop mutilate or pen...

Page 17: ... and should be replaced and disposed properly For guidelines on how to handle and replace swollen Lithium ion batteries see Handling swollen Lithium ion batteries Removing the battery Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the base cover NOTE Removing the battery clears the CMOS and resets the BIOS settings on your computer About this task The followin...

Page 18: ...he screw holes on the battery with the screw holes on the solid state drive thermal brackets and the palm rest and keyboard assembly NOTE The screw M2x4 and the screw M1 4x6 3 that secure the top of the battery also secure the solid state drive thermal brackets to the system board Ensure that the solid state drive thermal bracket is installed between the battery and the system board 3 Replace the ...

Page 19: ...s a visual representation of the removal procedure Steps 1 Lift the Mylar that covers the memory module 2 Use your fingertips to carefully spread apart the securing clips on each end of the memory module slot until the memory module pops up 3 Slide and remove the memory module from the memory module slot NOTE Repeat step 1 to step 3 to remove any other memory modules installed in your computer Rem...

Page 20: ... 2 Align the notch on the memory module with the tab on the memory module slot 3 Slide the memory module firmly at an angle into the memory module slot 4 Press the memory module down until it clicks into place NOTE If you do not hear the click remove the memory module and reinstall it NOTE Repeat step 1 to step 4 to remove any other memory modules installed in your computer Next steps 1 Install th...

Page 21: ... drive or an M 2 2280 solid state drive in the SSD1 slot The following image indicates the location of the M 2 2230 solid state drive that is installed in the SSD1 slot and provides a visual representation of the removal procedure Steps 1 Remove the screw M2x4 that secures the solid state drive thermal bracket and the solid state drive to the system board 2 Lift the solid state drive thermal brack...

Page 22: ...the solid state drive with the tab on the SSD1 slot 2 Slide the solid state drive into the SSD1 slot 3 Using the alignment post place the solid state drive thermal bracket over the solid state drive 4 Align the screw hole on the solid state drive thermal bracket with the screw hole on the system board 5 Replace the screw M2x4 that secures the solid state drive thermal bracket and the solid state d...

Page 23: ...ff the system board 3 Slide and lift the solid state drive off the SSD1 slot Installing the M 2 2280 solid state drive in the SSD1 slot Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task NOTE This procedure applies only to computers shipped with an M 2 2280 solid state drive installed in the SSD1 slot NOTE Depen...

Page 24: ... After working inside your computer Solid state drive in SSD2 slot Removing the M 2 2230 solid state drive from the SSD2 slot Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the base cover 3 Remove the battery About this task NOTE This procedure applies only to computers shipped with an M 2 2230 solid state drive installed in the SSD2 slot NOTE Depending on the...

Page 25: ...rforming the installation procedure About this task NOTE This procedure applies only to computers shipped with an M 2 2230 solid state drive installed in the SSD2 slot NOTE Depending on the configuration ordered your computer may support an M 2 2230 solid state drive or an M 2 2280 solid state drive in the SSD2 slot NOTE Install the solid state drive mounting bracket if it is not installed The fol...

Page 26: ...eps 1 Install the battery 2 Install the base cover 3 Follow the procedure in After working inside your computer Removing the M 2 2280 solid state drive from the SSD2 slot Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the base cover 3 Remove the battery About this task NOTE This procedure applies only to computers shipped with an M 2 2280 solid state drive ins...

Page 27: ...you are replacing a component remove the existing component before performing the installation procedure About this task NOTE This procedure applies only to computers shipped with an M 2 2280 solid state drive installed in the SSD2 slot NOTE Install the solid state drive mounting bracket if it is not installed The following image indicates the location of the M 2 2280 solid state drive that is ins...

Page 28: ...te drive to the system board Next steps 1 Install the battery 2 Install the base cover 3 Follow the procedure in After working inside your computer Fans Removing the right fan Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the base cover About this task The following image indicates the location of the right fan and provides a visual representation of the remo...

Page 29: ...system board and palm rest and keyboard assembly CAUTION Do not hold the fan assembly at the center as it may damage the center bearing 3 Disconnect the right fan cable from the system board 4 Lift the right fan FAN1 off the palm rest and keyboard assembly Installing the right fan Prerequisites About this task The following images indicate the location of the right fan and provides a visual repres...

Page 30: ...ce the two screws M2x4 that secure the right fan FAN1 to the system board and palm rest and keyboard assembly Next steps 1 Install the base cover 2 Follow the procedure in After working inside your computer Removing the left fan Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the base cover About this task The following image indicates the location of the left ...

Page 31: ... system board and palm rest and keyboard assembly CAUTION Do not hold the fan assembly at the center as it may damage the center bearing 3 Disconnect the left fan cable from the system board 4 Lift the left fan FAN2 off the palm rest and keyboard assembly Installing the left fan Prerequisites About this task The following image indicates the location of the left fan and provides a visual represent...

Page 32: ...ide your computer Heat sink Removing the heat sink for computers shipped with integrated graphics card Prerequisites 1 Follow the procedure in Before working inside your computer CAUTION For maximum cooling of the processor do not touch the heat transfer areas on the heat sink The oils in your skin can reduce the heat transfer capability of the thermal grease NOTE The heat sink may become hot duri...

Page 33: ...tegrated graphics card Prerequisites CAUTION Incorrect alignment of the heat sink can damage the system board and the processor NOTE If either the system board or the heat sink is replaced use the thermal pad or thermal paste provided in the kit to ensure that there is thermal conductivity About this task The following image indicates the location of the heat sink and provides a visual representat...

Page 34: ...ete graphics card Prerequisites 1 Follow the procedure in Before working inside your computer CAUTION For maximum cooling of the processor do not touch the heat transfer areas on the heat sink The oils in your skin can reduce the heat transfer capability of the thermal grease NOTE The heat sink may become hot during normal operation Allow sufficient time for the heat sink to cool before you touch ...

Page 35: ...discrete graphics card Prerequisites CAUTION Incorrect alignment of the heat sink can damage the system board and the processor NOTE If either the system board or the heat sink is replaced use the thermal pad or thermal paste provided in the kit to ensure that there is thermal conductivity About this task The following image indicates the location of the heat sink and provides a visual representat...

Page 36: ...ink to the system board Next steps 1 Install the base cover 2 Follow the procedure in After working inside your computer I O board Removing the I O board Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the base cover About this task The following image indicates the location of the I O board and provides a visual representation of the removal procedure 36 Remov...

Page 37: ...rd assembly 2 Lift the I O board off the palm rest and keyboard assembly Installing the I O board Prerequisites About this task The following image indicates the location of the I O board and provides a visual representation of the installation procedure Removing and installing components 37 ...

Page 38: ...the base cover 2 Follow the procedure in After working inside your computer Display assembly Removing the display assembly Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the base cover About this task The following images indicate the location of the display cable and the display hinges and provide a visual representation of the removal procedure 38 Removing a...

Page 39: ...Removing and installing components 39 ...

Page 40: ...ly 5 Remove the three screws M2 5x5 that secure the right display hinge to the palm rest and keyboard assembly 6 Lift the left and the right hinges from the palm rest and keyboard assembly 7 Slide the palm rest and keyboard assembly from the display assembly 8 After performing all the above steps you are left with the display assembly Installing the display assembly Prerequisites About this task T...

Page 41: ...Removing and installing components 41 ...

Page 42: ...o the system board and the palm rest and keyboard assembly 5 Connect the display cable and the camera cable to the display assembly cable 6 Align the screw holes on the display assembly cable bracket with the screw holes on the system board 7 Replace the two screws M2x4 that secure the display assembly cable bracket to the palm rest and keyboard assembly NOTE Apply gentle torque when tightening th...

Page 43: ...2 2230 solid state drive or the M 2 2280 solid state drive from the SSD1 slot 6 Remove the M 2 2230 solid state drive or the M 2 2280 solid state drive from the SSD2 slot 7 Remove the heat sink for systems shipped with an integrated graphics card or the heat sink for systems shipped with a discrete graphics card NOTE The system board can be removed or installed together with the heat sink attached...

Page 44: ...The following images indicate the location of the system board and provide a visual representation of the removal procedure 44 Removing and installing components ...

Page 45: ...the system board 7 Disconnect the left speaker cable from the system board 8 Disconnect the keyboard cable from the system board 9 Remove the two screws M2x4 that secure the USB Type C port bracket to the palm rest and keyboard assembly 10 Peel off the Mylar that secures the antenna cable to the system board 11 Remove the screw M2x4 that secures the wireless card bracket to the system board 12 Ope...

Page 46: ...opriate changes again after you replace the system board About this task The following image indicates the location of the connectors on your system board Figure 2 System board connectors 1 Power button cable 2 Left fan cable 3 Left speaker cable 4 Keyboard cable 5 Right speaker cable 6 Antenna cables 7 Right fan cable 8 Display cable and camera cable The following images indicate the location of ...

Page 47: ...Removing and installing components 47 ...

Page 48: ...eyboard assembly 6 Adhere the Mylar that secures the antenna cables to the system board 7 Replace the screw M2x4 that secures the wireless card bracket to the system board 8 Connect the power button cable to the system board and close the latch to secure the cable 9 Connect the left speaker cable to the system board and close the latch to secure the cable 10 Connect the keyboard cable to the syste...

Page 49: ...lace the system board NOTE Replacing the system board removes any changes that you have made to the BIOS using the BIOS setup program Make the appropriate changes again after you replace the system board NOTE Before disconnecting the cables from the system board note the location of the connectors so that you can reconnect the cables correctly after you replace the system board 2 Remove the base c...

Page 50: ...he routing of the antenna cables along the routing guides on the palm rest and keyboard assembly 5 Remove the antenna cable from the routing guides on the palm rest and keyboard assembly 6 Lift the left and the right antenna along with its cables off the palm rest and keyboard assembly Installing the antenna Prerequisites About this task The following image indicates the location of the antennas a...

Page 51: ...the left antenna with the screw holes on the palm rest and keyboard assembly 7 Replace the four screws M2x2 that secure the left antenna to the palm rest and keyboard assembly Next steps 1 Install the system board 2 Install the display assembly 3 Install the I O board 4 Install the right fan 5 Install the left fan 6 Install the heat sink for systems shipped with an integrated graphics card or the ...

Page 52: ...ystem board note the location of the connectors so that you can reconnect the cables correctly after you replace the system board 2 Remove the base cover 3 Remove the battery 4 Remove the memory module 5 Remove the M 2 2230 solid state drive or the M 2 2280 solid state drive from the SSD1 slot 6 Remove the M 2 2230 solid state drive or the M 2 2280 solid state drive from the SSD2 slot 7 Remove the...

Page 53: ...m rest and keyboard assembly Installing the palm rest and keyboard assembly Prerequisites About this task The following image indicates the palm rest and keyboard assembly and provides a visual representation of the installation procedure Removing and installing components 53 ...

Page 54: ...cs card NOTE The system board can be removed or installed together with the heat sink attached This simplifies the procedure and avoids breaking the thermal bond between the system board and the heat sink 8 Install the M 2 2230 solid state drive or the M 2 2280 solid state drive in the SSD2 slot 9 Install the M 2 2230 solid state drive or the M 2 2280 solid state drive in the SSD1 slot 10 Install ...

Page 55: ...rivers and downloads When troubleshooting downloading or installing drivers it is recommended that you read the Dell Knowledge Based article Drivers and Downloads FAQ 000123347 3 Drivers and downloads 55 ...

Page 56: ...k Turn on or restart your computer and press F2 immediately Navigation keys NOTE For most of the System Setup options changes that you make are recorded but do not take effect until you restart the system Table 3 Navigation keys Keys Navigation Up arrow Moves to the previous field Down arrow Moves to the next field Enter Selects a value in the selected field if applicable or follow the link in the...

Page 57: ...ical Drive if available SATA Hard Drive if available Diagnostics The boot sequence screen also displays the option to access the System Setup screen System setup options NOTE Depending on this computer and its installed devices the items that are listed in this section may or may not be displayed Table 4 System setup options System information menu Overview Precision 5760 BIOS Version Displays the...

Page 58: ...emory Available Displays the total computer 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 DIMM SLOT 1 Displays the memory card installed in slot 1 DIMM SLOT 2 Displays the memory card installed in slot 2 DEVICES Panel Type Displays the Panel Type of the computer ...

Page 59: ...ween 12 hour and 24 hour clock Changes to the time take effect immediately Thunderbolt Adapter Configuration Enable Thunderbolt Technology Support Enables or disables the Thunderbolt Technology feature and associated ports and adapters Default ON Enable Thunderbolt Boot Support Enables or disables Thunderbolt adapter features during pre boot Default OFF Enable Thunderbolt and PCIe behind TBT pre b...

Page 60: ...RAID On SATA is configured to support RAID Intel Rapid Restore Technology Storage Interface Port Enablement Enables the selected onboard drives SATA 4 Default ON M 2 PCIe SSD 0 Default ON M 2 PCIe SSD 1 Default ON Drive Information Displays the information of various onboard drives Enable SMART Reporting Enables or disables Self Monitoring Analysis and Reporting Technology SMART Default OFF Enable...

Page 61: ...equently disable the selected wireless radios WLAN and or WWAN Upon disconnection from the wired network the selected wireless radios are re enabled Default OFF Table 10 System setup options Power menu Power Battery Configuration Enables the computer to run on battery during power usage hours Use the below options to prevent AC power usage between certain times of each day By default Adaptive is s...

Page 62: ...mands Default OFF PPI Bypass for Disable Commands Enables or disables The OS to skip BIOS PPI user prompts when issuing TPM PPI Disable and Deactivate commands Default OFF PPI Bypass for Clear Commands Enables or disables the operating system to skip BIOS Physical Presence Interface PPI user prompts when issuing the Clear command Default OFF Attestation Enable Enables to control whether the TPM En...

Page 63: ...le service from Absolute Software By default Enable Absolute is selected UEFI Boot Path Security 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 path device from the F12 boot menu By default Always Except Internal HDD is selected Table 12 System setup options Passwords menu Passwords Admin Password Sets changes...

Page 64: ...ve BIOS Recovery from Hard Drive Enables the computer to recover from a bad BIOS image as long as the Boot Block portion is intact and functioning Default ON NOTE BIOS recovery is designed to fix the main BIOS block and cannot work if the Boot Block is damaged In addition this feature cannot work in the event of EC corruption ME corruption or a hardware issue The recovery image must exist on an un...

Page 65: ... or disables the Fn lock option Default ON Lock Mode Default Lock Mode Secondary Lock Mode Secondary If this option is selected the F1 F12 keys scan the code for their secondary functions Keyboard Illumination Keyboard Illumination Configures the operating mode of the keyboard illumination feature By default Bright is selected Keyboard Backlight Timeout on AC Keyboard Backlight Timeout on AC Confi...

Page 66: ...peed of the UEFI boot process By default Thorough is selected Extend BIOS POST Time Extend BIOS POST Time Configures the BIOS POST Power On Self Test load time By default 0 seconds is selected MAC Address Pass Through MAC Address Pass Through Replaces the external NIC MAC address in a supported dock or dongle with the selected MAC address from the computer By default System Unique MAC Address is s...

Page 67: ...e Intel Turbo Boost Technology Enabled or disabled the Intel TurboBoost mode of the processor If enabled the Intel TurboBoost driver increases the performance of the CPU or graphics processor Default ON Intel Hyper Threading Technology Enable Intel Hyper Threading Technology Enabled or disabled the Intel Hyper Threading mode of the processor If enabled the Intel Hyper Threading increases the effic...

Page 68: ...tem BIOS or System Setup screen select Security and press Enter The Security screen is displayed 2 Select System Admin Password and create a password in the Enter the new password field Use the following guidelines to assign the system password A password can have up to 32 characters At least one special character _ Numbers 0 through 9 Upper case letters from A to Z Lower case letters from a to z ...

Page 69: ...g the base cover 3 Press and hold the power button for 5 seconds to drain the flea power 4 Before you turn on your computer follow the steps in Installing the base cover 5 Turn on your computer Clearing BIOS System Setup and System passwords About this task To clear the system or BIOS passwords contact Dell technical support as described at www dell com contactdell NOTE For information on how to r...

Page 70: ...the F12 One Time boot menu About this task BIOS Update You can run the BIOS update file from Windows using a bootable USB drive or you can also update the BIOS from the F12 One Time boot menu on the computer Most of the Dell computers built after 2012 have this capability and you can confirm by booting your computer to the F12 One Time Boot Menu to see if BIOS FLASH UPDATE is listed as a boot opti...

Page 71: ... file 4 Select external USB device 5 Select the file and double click the flash target file and then click Submit 6 Click Update BIOS The computer restarts to flash the BIOS 7 The computer will restart after the BIOS update is completed System setup 71 ...

Page 72: ...cks and cells Do not apply pressure to the surface of the battery Do not bend the battery Do not use tools of any type to pry on or against the battery If a battery gets stuck in a device as a result of swelling do not try to free it as puncturing bending or crushing a battery can be dangerous Do not attempt to reassemble a damaged or swollen battery into a laptop Swollen batteries that are covere...

Page 73: ...ntinues until the computer is turned off indicating no memory or RAM is detected The following table shows different power and battery status light patterns and associated problems Table 21 LED codes Diagnostic light codes Problem description 1 1 TPM detection failure 1 2 Unrecoverable SPI flash failure 1 5 i Fuse failure 1 6 EC internal failure 2 1 Processor failure 2 2 System board BIOS or ROM R...

Page 74: ...agnostics accuracy of system board embedded controller EC failures NOTE M BIST can be manually initiated before POST Power On Self Test How to run M BIST NOTE M BIST must be initiated on the system from a power off state either connected to AC power or with battery only 1 Press and hold both the M key on the keyboard and the power button to initiate M BIST 2 With both the M key and the power butto...

Page 75: ...hat is preinstalled in all Dell computers installed with Windows operating system It consists of tools to diagnose and troubleshoot issues that may occur before your computer boots to the operating system It enables you to diagnose hardware issues repair your computer back up your files or restore your computer to its factory state You can also download it from the Dell Support website to troubles...

Page 76: ...iate the RTC reset on the system from a power off state only if it is connected to AC power Press and hold the power button for 25 seconds The system RTC reset occurs after you release the power button NOTE If AC power is disconnected from the system during the process or the power button is held longer than 40 seconds the RTC reset process gets aborted The RTC reset will reset the BIOS to Default...

Page 77: ... Service 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...

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