Dell Inspiron 7390 2n1 Service Manual Download Page 50 | Manualshive

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3

Peel the tape that secures the display cable to the system board.

4

Open the latch and disconnect the display cable from the system board.

5

Peel the tape that secures the display cable to the system board.

6

Disconnect the power-adapter port cable from the system board.

7

Peel the tape that secures the speaker cable to the connector.

8

Disconnect the speaker cable from the system board.

9

Open the latch, and disconnect the keyboard cable from the system board.

10  Open the latch, and disconnect the keyboard-backlight cable from the system board.
11  Open the latch, and disconnect the touchpad cable from the system board.
12  Disconnect the coin-cell battery cable from the system board.
13  Peel the tape that secures the I/O-board cable to the system board.
14  Open the latch and disconnect the I/O-board cable from the system board.
15  Peel the tape that secures the touch-screen board cable to the system board.
16  Open the latch and disconnect the touch-screen board cable from the system board.
17  Open the latch and disconnect the fingerprint-reader cable from the system board.

50

Removing the system board

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Summary of Contents for Inspiron 7390 2n1

Page 1: ...Inspiron 7390 2n1 Service Manual Computer Model Inspiron 7390 2n1 Regulatory Model P113G Regulatory Type P113G001 ...

Page 2: ...amage 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 2019 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 2019 05 Rev A02 ...

Page 3: ... Lifting equipment 11 4 Recommended tools 12 5 Screw list 13 6 Removing the base cover 14 Procedure 14 7 Replacing the base cover 16 Procedure 16 8 Removing the battery 18 Lithium ion battery precautions 18 Prerequisites 18 Procedure 18 9 Replacing the battery 21 Procedure 21 Post requisites 21 10 Removing the wireless card 22 Prerequisites 22 Procedure 22 11 Replacing the wireless card 24 Procedu...

Page 4: ...2 Procedure to remove M 2 2230 solid state drive 32 Procedure to remove M 2 2280 solid state drive 33 19 Replacing the solid state drive 35 Procedure to replace M 2 2230 solid state drive 35 Procedure to replace M 2 2280 solid state drive 35 Post requisites 36 20 Removing the coin cell battery 37 Prerequisites 37 Procedure 37 21 Replacing the coin cell battery 38 Procedure 38 Post requisites 38 22...

Page 5: ...Procedure 47 Post requisites 48 30 Removing the system board 49 Prerequisites 49 Procedure 49 31 Replacing the system board 52 Procedure 52 Post requisites 54 Entering the Service Tag in the BIOS setup program 54 32 Removing the keyboard 55 Prerequisites 55 Procedure 55 33 Replacing the keyboard 58 Procedure 58 Post requisites 59 34 Removing the power button with fingerprint reader 61 Prerequisite...

Page 6: ...39 System setup 69 System setup 69 Entering BIOS setup program 69 Navigation keys 69 Boot Sequence 69 System setup options 70 System and admin password 78 Assigning a system setup password 78 Deleting or changing an existing system admin password 79 Clearing CMOS settings 79 Clearing BIOS System Setup and System passwords 79 40 Troubleshooting 80 Enhanced Pre Boot System Assessment ePSA diagnostic...

Page 7: ... Start Power Shut down NOTE If you are using a different operating system see the documentation of your operating system for shut down instructions 3 Disconnect your computer and all attached devices from their electrical outlets 4 Disconnect all attached network devices and peripherals such as keyboard mouse and monitor from your computer 5 Remove any media card and optical disc from your compute...

Page 8: ...y 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 devices to their electrical outlets 5 Turn on your computer 2 8 After working inside your computer ...

Page 9: ... concern when you handle electronic components especially sensitive components such as expansion cards processors memory DIMMs and system boards Very slight charges can damage circuits in ways that may not be obvious such as intermittent problems or a shortened product life span As the industry pushes for lower power requirements and increased density ESD protection is an increasing concern Due to...

Page 10: ...egional 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 if the test fails Insulator Elements It is critical to keep ESD sensitive devices such as plastic heat sink casings away from internal part...

Page 11: ... mechanical lifting device 1 Get a firm balanced footing Keep your feet apart for a stable base and point your toes out 2 Tighten stomach muscles Abdominal muscles support your spine when you lift offsetting the force of the load 3 Lift with your legs not your back 4 Keep the load close The closer it is to your spine the less force it exerts on your back 5 Keep your back upright whether lifting or...

Page 12: ...Recommended tools The procedures in this document may require the following tools Philips screwdriver 1 Flat head screwdriver Plastic scribe 4 12 Recommended tools ...

Page 13: ...configuration ordered Table 1 Screw list Component Secured to Screw type Quantity Screw image Base cover Palm rest assembly M2x4 6 Battery Palm rest assembly M1 6x4 1 Battery Palm rest assembly M2x2 Big Head 4 Fan Palm rest assembly M2x2 2 Display hinges Palm rest assembly M2x3 5 5 Keyboard Palm rest assembly M1 2x1 3 4 Keyboard bracket Palm rest assembly M1 2x1 8 29 Power adapter port Palm rest a...

Page 14: ...e home page at www dell com regulatory_compliance Procedure 1 Loosen the two captive screws that secure the base cover to the palm rest assembly 2 Remove the six screws M2x4 that secure the base cover to the palm rest assembly 3 Using a plastic scribe pry the base cover from the tabs on the hinges and continue to pry the base cover from the slots on the palm rest assembly CAUTION Do not pry the ba...

Page 15: ...NOTE Disconnect the battery cable only when you continue to remove other components from your computer 5 Disconnect the battery cable from the system board Removing the base cover 15 ...

Page 16: ...your computer follow the instructions in After working inside your computer For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Procedure 1 Connect the battery cable to the system board if applicable 2 Align the tabs on the base cover with the slots on the palm rest assembly and snap the base cover to the palm rest assembly 7 16 Replacing th...

Page 17: ...3 Tighten the two captive screws that secure the base cover to the palm rest assembly 4 Replace the six screws M2x4 that secure the base cover to the palm rest assembly Replacing the base cover 17 ...

Page 18: ...gainst 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 a battery gets stuck in a device as a result of swelling do not try to free it as puncturing bending or crushing a Lithium ion battery can be dangerous In such an instance contact for assistance and further instru...

Page 19: ...5 Turn the computer over open the display and then press and hold the power button for five seconds to ground the system board Removing the battery 19 ...

Page 20: ...20 Removing the battery ...

Page 21: ...r computer For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Procedure 1 Using the alignment posts place the battery on the palm rest assembly 2 Replace the four screws M2x2 that secure the battery to the palm rest assembly 3 Replace the screw M1 6x4 that secures the battery to the palm rest assembly 4 Connect the battery cable to the syst...

Page 22: ...afety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Prerequisites Remove the base cover Procedure 1 Lift the flap on the wireless card 2 Remove the screw M2x3 that secures the wireless card bracket to the wireless card and palm rest assembly 3 Remove the wireless card bracket from the wireless card 4 Disconnect the antenna cables from the wireless car...

Page 23: ...Removing the wireless card 23 ...

Page 24: ...d slot 2 Connect the antenna cables to the wireless card The following table provides the antenna cable color scheme for the wireless card that is supported by your computer Table 2 Antenna cable color scheme Connectors on the wireless card Antenna cable color Main white triangle White Auxiliary black triangle Black 3 Align the notch on the wireless card with the tab on the wireless card slot and ...

Page 25: ...Post requisites Replace the base cover Replacing the wireless card 25 ...

Page 26: ...e the Regulatory Compliance home page at www dell com regulatory_compliance Prerequisites Remove the base cover Procedure 1 Remove the three screws M2x3 5 that secure the left display hinge to the system board 2 Lift the left display hinge from the system board 3 Disconnect the power adapter port cable from the system board 4 Remove the screw M2x3 that secures the power adapter port to the palm re...

Page 27: ...t practices see the Regulatory Compliance home page at www dell com regulatory_compliance Procedure 1 Place the power adapter port into the slot on the palm rest assembly 2 Replace the screw M2x3 that secures the power adapter port to the palm rest assembly 3 Connect the power adapter port cable to the system board 4 Close the left display hinge 5 Replace the three screws M2x3 5 that secure the le...

Page 28: ...best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Prerequisites Remove the base cover Procedure 1 Remove the two screws M2x3 5 that secure the right display hinge to the I O board 2 Lift the right display hinge away from the I O board 3 Peel the tape that secures the I O board cable to the I O board 4 Open the latch and disconnect the I O board cable from...

Page 29: ...ices see the Regulatory Compliance home page at www dell com regulatory_compliance Procedure 1 Slide the I O board into the slots on the palm rest assembly 2 Slide the I O board cable into the connector on the I O board and close the latch to secure the cable 3 Adhere the tape that secures the I O board cable to the I O board 4 Close the right display hinge 5 Replace the two screws M2x3 5 that sec...

Page 30: ...ns in After working inside your computer For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Prerequisites Remove the base cover Procedure 1 Disconnect the fan cable from the system board 2 Peel the tape that secures the fan cable to the fan 3 Remove the two screws M2x2 that secure the fan to the palm rest assembly 4 Lift the fan off the pal...

Page 31: ...orking inside your computer For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Procedure 1 Using the alignment posts place the fan on the palm rest assembly 2 Replace the two screws M2x3 that secure the fan to the palm rest assembly 3 Adhere the tape that secures the fan cable to the fan 4 Connect the fan cable to the system board Post requ...

Page 32: ... regulatory_compliance CAUTION Solid state drives are fragile Exercise care when handling the solid state drive CAUTION To avoid data loss do not remove the solid state drive while the computer is in sleep or on state Prerequisites Remove the base cover Procedure to remove M 2 2230 solid state drive 1 Remove the two screws M2x3 that secure the solid state drive to the palm rest assembly 2 Slide an...

Page 33: ...Procedure to remove M 2 2280 solid state drive 1 Locate the solid state drive Intel Optane storage module on your computer Removing the solid state drive 33 ...

Page 34: ... that secures the solid state drive Intel Optane storage module to the palm rest assembly 3 Slide and remove the solid state drive Intel Optane storage module from the solid state drive slot 34 Removing the solid state drive ...

Page 35: ... state drive 1 Align the notch on the solid state drive with the tab on the solid state drive slot and slide the solid state drive firmly into the solid state drive slot at an angle 2 Peel the tape from the solid state drive bracket 3 Adhere the solid state drive bracket on the system board and secure the solid state drive 4 Replace the two screws M2x3 that secure the solid state drive to the palm...

Page 36: ...Post requisites Replace the base cover 36 Replacing the solid state drive ...

Page 37: ...iance CAUTION Removing the coin cell battery resets the BIOS setup program s settings to default It is recommended that you note the BIOS setup program s settings before removing the coin cell battery Prerequisites 1 Remove the base cover 2 Remove the battery Procedure 1 Peel the tape that secures the coin cell battery cable to the palm rest assembly 2 Release the coin cell battery cable from the ...

Page 38: ...e safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Procedure 1 Adhere the coin cell battery to the palm rest assembly 2 Connect the coin cell battery cable to the system board 3 Route the coin cell battery cable through the routing guides on the palm rest assembly 4 Adhere the tape that secures the coin cell battery cable to the palm rest assembly...

Page 39: ...se cover 2 Remove the battery Procedure 1 Peel off the tapes that secures the speaker cable to the touchpad bracket 2 Remove the three screws M1 6x2 that secure the touchpad bracket to the palm rest assembly 3 Lift the touchpad bracket off the palm rest assembly 4 Open the latch and disconnect the touchpad cable from the touchpad and peel the touchpad cable off the palm rest assembly 5 Peel off th...

Page 40: ...2 Replace the two screws M1 6x2 that secure the touchpad to the palm rest assembly 3 Adhere the tapes that secure the touchpad to the palm rest assembly 4 Adhere the touchpad cable to palm rest assembly and slide the touchpad cable into the connector on the touch pad and close the latch to secure the cable 5 Align the screw holes on the touchpad bracket with the screw holes on the palm rest assemb...

Page 41: ...see the Regulatory Compliance home page at www dell com regulatory_compliance Prerequisites 1 Remove the base cover 2 Remove the battery Procedure 1 Peel the tape that secures the speaker cable to the connector 2 Disconnect the speaker cable from the system board 3 Peel off the tapes and release the speaker cable from the routing guides on the palm rest assembly 4 Remove the speaker cable from the...

Page 42: ...tory Compliance home page at www dell com regulatory_compliance Procedure 1 Using the alignment posts on the palm rest assembly place the speakers on the palm rest assembly 2 Route the speaker cable through the routing guides on the palm rest assembly 3 Adhere the tapes that secure the speaker cable to the touchpad bracket 4 Connect the speaker cable to the system board 5 Adhere the tape that secu...

Page 43: ...compliance WARNING The heat sink may become hot during normal operation Allow sufficient time for the heat sink to cool before you touch it 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 Prerequisites 1 Remove the base cover 2 Remove the fan Procedure 1 In reverse...

Page 44: ...regulatory_compliance CAUTION Incorrect alignment of the heat sink can damage the system board and processor NOTE If either the system board or the heat sink is replaced use the thermal pad paste provided in the kit to ensure that thermal conductivity is achieved Procedure 1 Align the screw holes on the heat sink with the screw holes on the system board 2 In sequential order as indicated on the he...

Page 45: ...t the touchscreen board cable from the system board 3 Peel the tape to release the touchscreen board cable and remove the cable from the routing guides on the palm rest assembly 4 Peel the tape that secures the display cable to the system board 5 Open the latch and disconnect the display cable from the system board 6 Peel the tape that secures the display cable to the system board 7 Remove the dis...

Page 46: ...10 Lift the display assembly off the palm rest assembly 46 Removing the display assembly ...

Page 47: ...stem board 2 Replace the five screws M2 5x3 5 that secure the display hinges to the I O board and system board 3 Close the display 4 Route the display cable through the routing guide on the palm rest assembly 5 Adhere the tape that secures the display cable to the system board 6 Connect the display cable to the system board and close the latch to secure the cable 7 Adhere the tape that secures the...

Page 48: ...Post requisites 1 Replace the fan 2 Replace the base cover 48 Replacing the display assembly ...

Page 49: ...program You must 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 Prerequisites 1 Remove the base cover 2 Remove the battery 3 Remove the solid state drive 4 Remove the wireless card 5 Remove the fan NO...

Page 50: ...tem board 10 Open the latch and disconnect the keyboard backlight cable from the system board 11 Open the latch and disconnect the touchpad cable from the system board 12 Disconnect the coin cell battery cable from the system board 13 Peel the tape that secures the I O board cable to the system board 14 Open the latch and disconnect the I O board cable from the system board 15 Peel the tape that s...

Page 51: ...18 Remove the four screws M2x2 that secure the system board to the palm rest assembly 19 Lift the system board off the palm rest assembly Removing the system board 51 ...

Page 52: ...screw holes on the system board with the screw holes on the palm rest assembly 2 Replace the four screws M2x2 that secure the system board to the palm rest assembly 3 Slide the fingerprint reader cable to the system board and close the latch to secure the cable 4 Slide the touch screen board cable to the system board and close the latch to secure the cable 5 Adhere the tape that secures the touch ...

Page 53: ...15 Adhere the tape that secures the display cable to the system board 16 Slide the display cable to the system board and close the latch to secure the cable 17 Adhere the tape that secures the display cable to the system board 18 Close the left display hinge 19 Replace the three screws M2x3 5 that secure the left display hinge to the system board Replacing the system board 53 ...

Page 54: ... Entering the Service Tag in the BIOS setup program 1 Turn on or restart your computer 2 Press F2 when the Dell logo is displayed to enter the BIOS setup program 3 Navigate to the Main tab and enter the Service Tag in the Service Tag Input field NOTE Service tag is the alphanumeric identifier located at the back side of your computer 54 Replacing the system board ...

Page 55: ...ry_compliance Prerequisites 1 Remove the base cover 2 Remove the battery 3 Remove the solid state drive 4 Remove the coin cell battery 5 Remove the wireless card 6 Remove the speakers 7 Remove the fan 8 Remove the display assembly 9 Remove the I O board 10 Remove the power button with fingerprint reader 11 Remove the system board Procedure 1 Peel the fingerprint reader cable from the keyboard brac...

Page 56: ...board NOTE Lift the plastic sheet on the keyboard bracket to access the screws 5 Lift the keyboard bracket off the keyboard 6 Remove the 4 screws M1 2x1 8 that secure the keyboard to the palm rest assembly 7 Lift the keyboard off the palm rest assembly 56 Removing the keyboard ...

Page 57: ...Removing the keyboard 57 ...

Page 58: ...ter For more safety best practices see the Regulatory Compliance home page at www dell com regulatory_compliance Procedure 1 Align the screw holes on the keyboard with the screw holes on the palm rest assembly 2 Replace the 4 screws M1 2x1 8 that secure the keyboard to palm rest assembly 3 Align the screws holes on the keyboard bracket with the screw holes on the keyboard 4 Replace the 29 screws M...

Page 59: ... Adhere the tapes that secure the antenna cables to the keyboard bracket 7 Adhere the fingerprint reader cable to the keyboard bracket Post requisites 1 Replace the system board 2 Replace the power button with fingerprint reader Replacing the keyboard 59 ...

Page 60: ...ace the display assembly 5 Replace the fan 6 Replace the speakers 7 Replace the wireless card 8 Replace the coin cell battery 9 Replace the solid state drive 10 Replace the battery 11 Replace the base cover 60 Replacing the keyboard ...

Page 61: ...uisites 1 Remove the base cover 2 Remove the battery 3 Remove the solid state drive 4 Remove the coin cell battery 5 Remove the wireless card 6 Remove the speakers 7 Remove the fan 8 Remove the display assembly 9 Remove the I O board 10 Remove the system board Procedure 1 Follow the procedure from step 1 to step 5 in Removing the keyboard 2 Open the latch and disconnect the fingerprint reader cabl...

Page 62: ...62 Removing the power button with fingerprint reader ...

Page 63: ...that are shipped with fingerprint reader Procedure 1 Align the power button with fingerprint reader on the keyboard bracket and adhere the tape that secures the power button with fingerprint reader on the keyboard bracket 2 Place the power button with fingerprint reader on the keyboard bracket 3 Connect the fingerprint reader cable to power button with fingerprint reader and close the latch to sec...

Page 64: ...ce the speakers 6 Replace the wireless card 7 Replace the coin cell battery 8 Replace the solid state drive 9 Replace the battery 10 Replace the base cover 64 Replacing the power button with fingerprint reader ...

Page 65: ...age at www dell com regulatory_compliance Prerequisites 1 Remove the base cover 2 Remove the battery 3 Remove the wireless card 4 Remove the power adapter port 5 Remove the I O board 6 Remove the fan 7 Remove the solid state drive 8 Remove the coin cell battery 9 Remove the touch pad 10 Remove the speakers 11 Remove the display assembly 12 Remove the system board 13 Remove the keyboard 14 Remove t...

Page 66: ...actices see the Regulatory Compliance home page at www dell com regulatory_compliance Procedure Place the palm rest on a flat surface Post requisites 1 Replace the power button with fingerprint reader 2 Replace the keyboard 3 Replace the system board 4 Replace the display assembly 5 Replace the speakers 6 Replace the touch pad 7 Replace the coin cell battery 8 Replace the solid state drive 9 Repla...

Page 67: ...12 Replace the fan 13 Replace the battery 14 Replace the base cover Procedure Place the palm rest on a flat surface Replacing the palm rest and antenna assembly 67 ...

Page 68: ...l com support Intel Trusted Execution Engine Interface In the Device Manager check if the Intel Trusted Execution Engine Interface driver is installed Install the driver update from www dell com support Intel Virtual Button driver In the Device Manager check if the Intel Virtual Button driver is installed Install the driver updates from www dell com support Wireless and Bluetooth drivers In the De...

Page 69: ...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 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 field Spacebar Expands or collapses a drop down list if applicable Tab Moves to the next focus...

Page 70: ...ter Ownership Tag Displays the ownership tag of the computer Signed Firmware Update Displays whether the signed firmware update is enabled Battery Displays the battery health information Primary Displays the primary battery Battery Level Displays the battery level Battery State Displays the battery state Health Displays the battery health AC Adapter Displays whether an AC adapter is installed Proc...

Page 71: ...ice information of the computer Bluetooth Device Displays the Bluetooth device information of the computer Table 4 System setup options Boot options menu Boot options Advanced Boot Options Enable UEFI Network Stack Enables or disables UEFI Network Stack Default OFF Boot Mode Boot Mode UEFI only Displays the boot mode of this computer Enable Boot Devices Enables or disables boot devices for this co...

Page 72: ...rious onboard drives M 2 PCIe SSD 0 SATA 2 Default ON SATA 0 Default ON Drive Information Displays the information of various onboard drives Miscellaneous Devices Enables or disables various onboard devices Enable Camera Enables or disables the camera Default ON Keyboard Illumination Configures the operating mode of the keyboard illumination feature Default Disabled The keyboard illumination will ...

Page 73: ...llow Wireless Switch Changes Enables or disables changes to the setup option when an Administrator password is set Default OFF Enable UEFI Capsule Firmware Updates Enables or disables BIOS updates through UEFI capsule update packages Computrace Enable or disable the BIOS module interface of the optional Computrace R Service from Absolute Software Intel Platform Trust Technology On Enables or disab...

Page 74: ...to be enabled the computer needs to be in UEFI boot mode and the Enable Legacy Option ROMs option needs to be turned off Secure Boot Mode Selects the Secure Boot operation mode Default Deployed Mode NOTE Deployed Mode should be selected for normal operation of Secure Boot Table 9 System setup options Expert Key Management menu Expert Key Management Enable Custom Mode Enables or disables the keys i...

Page 75: ...ow options to prevent AC power usage between certain times of each day Default Adaptive Battery settings are adaptively optimized based on your typical battery usage pattern Enable Advanced Battery Charge Configuration Enables Advanced Battery Charge Configuration from the beginning of the day to a specified work period Advanced Battery Charged maximizes battery health while still supporting heavy...

Page 76: ... computer to display adapter warning messages during boot Default ON Extend BIOS POST Time Configures the BIOS POST Power On Self Test load time Default 0 seconds Fastboot Configures the speed of the UEFI boot process Default Thorough Performs complete hardware and configuration initialization during boot Fn Lock Options Enables or disables the Fn lock mode Default ON Lock Mode Default Lock Mode S...

Page 77: ...ed 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 unencrypted partition on the drive BIOS Auto Recovery Enables the computer to automatically recover the BIOS without user actions This feature requires BIOS Recovery from Hard Drive to be ...

Page 78: ...l of security for the data on your computer CAUTION Anyone can access the data stored on your computer if it is not locked and left unattended NOTE System and admin password feature is disabled Assigning a system setup password To enter the system setup press F2 immediately after a power on or re boot 1 In the System BIOS or System Setup screen select Passwords on the left pane The Passwords scree...

Page 79: ...ed 4 Press Esc and a message prompts you to save the changes 5 Press Y to save the changes and exit from System Setup The computer reboot Clearing CMOS settings CAUTION Clearing CMOS settings will reset the BIOS settings on your computer 1 Remove the base cover 2 Disconnect the battery cable from the system board 3 Remove the coin cell battery 4 Wait for one minute 5 Replace the coin cell battery ...

Page 80: ...erminal when the diagnostic tests are performed Running the ePSA diagnostics 1 Turn on your computer 2 As the computer boots press the F12 key as the Dell logo appears 3 On the boot menu screen select the Diagnostics option 4 Click the arrow at the bottom left corner Diagnostics front page is displayed 5 Click the arrow in the lower right corner to go to the page listing The items detected are lis...

Page 81: ...ery image not found 3 4 Recovery image found but invalid 3 5 Power rail failure 3 6 System BIOS Flash incomplete 3 7 Management Engine ME error Camera status light Indicates whether the camera is in use Solid white Camera is in use Off Camera is not in use Caps Lock status light Indicates whether Caps Lock is enabled or disabled Solid white Caps Lock enabled Off Caps Lock disabled Recovering the o...

Page 82: ...ou 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 your computer 8 After the download is complete navigate to the folder where you saved the BIOS up...

Page 83: ...3 Press and hold the power button for 15 seconds to drain the flea power 4 Connect the power adapter to your computer 5 Turn on your computer Troubleshooting 83 ...

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