Dell Inspiron 5390 Service Manual Download | Manualshive

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Installing the display assembly

Prerequisite

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 display assembly and provides a visual representation of the installation procedure.

Removing and installing components

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Summary of Contents for Inspiron 5390

Page 1: ...Inspiron 5390 Service Manual Regulatory Model P114G Regulatory Type P114G001 ...

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 A00 ...

Page 3: ...12 Removing the battery 12 Installing the battery 13 Coin cell battery 14 Removing the coin cell battery 14 Installing the coin cell battery 15 Solid state drive 16 Removing the M 2 2280 solid state drive 16 Installing the M 2 2280 solid state drive 17 Removing the M 2 2230 solid state drive 18 Installing the M 2 2230 solid state drive 19 Heat sink 20 Removing the heat sink 20 Installing the heat ...

Page 4: ...ng the system board 45 Installing the system board 47 Display bezel 48 Removing the display bezel 48 Installing the display bezel 49 Display panel 50 Removing the display panel 50 Installing the display panel 53 Display hinges 55 Removing the display hinges 55 Installing the display hinges 56 Camera 56 Removing the camera 57 Installing the camera 57 Display back cover 58 Removing the display back ...

Page 5: ...5 Clearing BIOS System Setup and System passwords 75 5 Troubleshooting 76 Enhanced Pre Boot System Assessment ePSA diagnostics 76 Running the ePSA diagnostics 76 System diagnostic lights 76 Diagnostics 77 M BIST 78 LCD Built In Self Test BIST 78 Recovering the operating system 79 Flashing BIOS USB key 79 Flashing the BIOS 79 Flea power release 80 Wi Fi power cycle 80 6 Getting help and contacting ...

Page 6: ...cally touch an unpainted metal surface to dissipate static electricity which could harm internal components CAUTION When you disconnect a cable pull on its connector or on its pull tab not on the cable itself Some cables have connectors with locking tabs or thumb screws that you must disengage before disconnecting the cable When disconnecting cables keep them evenly aligned to avoid bending any co...

Page 7: ...y to install the component Before unwrapping the anti static packaging ensure that you discharge static electricity from your body Before transporting a static sensitive component place it in an anti static container or packaging ESD field service kit The unmonitored Field Service kit is the most commonly used service kit Each Field Service kit includes three main components anti static mat wrist ...

Page 8: ...transport ESD protection summary It is recommended that all field service technicians use the traditional wired ESD grounding wrist strap and protective anti static mat at all times when servicing Dell products In addition it is critical that technicians keep sensitive parts separate from all insulator parts while performing service and that they use anti static bags for transporting sensitive com...

Page 9: ...t the screws are not left attached to such surface 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 M2x6 4 Battery Palm rest and keyboard assembly M2x2 4 Battery Palm rest and keyboard assembly M1 6x4 1 Touchpad bracket Palm rest and keyboard assembl...

Page 10: ...apter port Palm rest and keyboard assembly M2x3 1 Power button with fingerprint reader bracket Palm rest and keyboard assembly M1 6x2 1 Power button with fingerprint reader Palm rest and keyboard assembly M1 6x2 1 Base cover Removing the base cover Prerequisite 1 Follow the procedure in Before working inside your computer About this task The following image indicates the location of the base cover...

Page 11: ...lm rest and keyboard assembly 4 Lift the base cover off the palm rest and keyboard assembly Installing the base cover Prerequisite 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 base cover and provides a visual representation of the installation procedure Removing and inst...

Page 12: ...n the three captive screws that secure the base cover to the palm rest and keyboard assembly Next step 1 Follow the procedure in After working inside your computer Battery Removing the battery Prerequisite 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 battery and provides a visual representati...

Page 13: ...ard and palm rest and keyboard assembly 4 Lift the battery off the palm rest and keyboard assembly Installing the battery Prerequisite 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 battery and provides a visual representation of the installation procedure Removing and ins...

Page 14: ...ter Coin cell battery Removing the coin cell battery Prerequisite 1 Follow the procedure in Before working inside your computer 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 2 Remove the base cover 3 Remove the battery About this task The following im...

Page 15: ...m rest and keyboard assembly Installing the coin cell battery Prerequisite 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 representation of the installation procedure Removing and installing components 15 ...

Page 16: ...nstall the base cover 3 Follow the procedure in After working inside your computer Solid state drive Removing the M 2 2280 solid state drive Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the base cover 3 Remove the battery About this task The following image indicates the location of the solid state drive and provides a visual representation of the removal pr...

Page 17: ...e system board Installing the M 2 2280 solid state drive Prerequisite If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates the location of the solid state drive and provides a visual representation of the installation procedure Removing and installing components 17 ...

Page 18: ...ext step 1 Install the battery 2 Install the base cover 3 Follow the procedure in After working inside your computer Removing the M 2 2230 solid state drive Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the base cover 3 Remove the battery About this task The following image indicates the location of the solid state drive and provides a visual representation o...

Page 19: ...id state drive off the solid state drive slot on the system board Installing the M 2 2230 solid state drive Prerequisite If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates the location of the solid state drive and provides a visual representation of the installation procedure Removing and install...

Page 20: ...res the solid state drive to the system board Next step 1 Install the battery 2 Install the base cover 3 Follow the procedure in After working inside your computer Heat sink Removing the heat sink Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the base cover 3 Remove the battery About this task The following image indicates the location of the heat sink and pr...

Page 21: ... system board 3 Lift the heat sink off the system board Installing the heat sink Prerequisite 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 base cover and provides a visual representation of the installation procedure Removing and installing components 21 ...

Page 22: ...the heat sink to the system board 3 Adhere the tape that secures the heat sink to the system board Next step 1 Install the battery 2 Install the base cover 3 Follow the procedure in After working inside your computer Fan Removing the fan 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 ...

Page 23: ...ped with a WWAN configuration 2 Remove the two M2x3 screws that secure the fan to the system board 3 Lift the fan slightly off the palm rest and keyboard assembly 4 Disconnect the fan cable from the system board and completely lift the fan off the palm rest and keyboard assembly Installing the fan Prerequisite If you are replacing a component remove the existing component before performing the ins...

Page 24: ...holes on the palm rest and keyboard assembly 3 Replace the two M2x3 screws that secure the fan to the palm rest and keyboard assembly 4 Connect the I O board cable to the system board and I O board NOTE This step is only applicable for computers shipped with a WWAN configuration Next step 1 Install the battery 2 Install the base cover 3 Follow the procedure in After working inside your computer 24...

Page 25: ...he following image indicates the location of speakers and provides a visual representation of the removal procedure Steps 1 Open the latch and disconnect the touchpad cable from the system board 2 Disconnect the speaker cable from the system board 3 Peel the tapes that secure the speaker cable to the palm rest and keyboard assembly Removing and installing components 25 ...

Page 26: ...mponent before performing the installation procedure About this task The following image indicates the location of speakers and provides a visual representation of the installation procedure Steps 1 Using the alignment posts and rubber grommets place the speakers in the slots on the palm rest and keyboard assembly 2 Route the speaker cable through the routing guides on the palm rest and keyboard a...

Page 27: ... working inside your computer 2 Remove the base cover 3 Remove the battery About this task The following image indicates the location of WLAN card and provides a visual representation of the removal procedure Steps 1 Remove the screw M2x2 5 that secures the WLAN card bracket to the WLAN card and lift the WLAN card bracket off the WLAN card 2 Disconnect the antenna cables from the WLAN card 3 Slide...

Page 28: ...h the tab on the WLAN card slot and insert the WLAN card at an angle into the WLAN card slot 3 Align and place the WLAN card bracket on the WLAN card 4 Replace the screw M2x2 5 to secure the WLAN card bracket to the WLAN card Next step 1 Install the battery 2 Install the base cover 3 Follow the procedure in After working inside your computer WWAN card Removing the WWAN card Prerequisites NOTE This...

Page 29: ... the WWAN card 3 Disconnect the antenna cables from the WWAN card 4 Slide and remove the WWAN card from the WWAN card slot Installing the WWAN card Prerequisite NOTE This procedure is only applicable for computers shipped with a WWAN configuration If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicate...

Page 30: ...the WWAN bracket to the WWAN card Next step 1 Install the battery 2 Install the base cover 3 Follow the procedure in After working inside your computer Touchpad Removing the touchpad Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the base cover 3 Remove the battery About this task The following image indicates the location of touchpad and provides a visual rep...

Page 31: ... keyboard assembly 5 Remove the two M1 6x2 screws that secure the touchpad to the palm rest and keyboard assembly 6 Lift the touchpad along with the cable off the palm rest and keyboard assembly Installing the touchpad Prerequisite If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates the location o...

Page 32: ...mbly 4 Replace the three M1 6x2 screws that secure the touchpad bracket to the palm rest and keyboard assembly 5 Slide the touchpad cable into its connector on the system board and close the latch to secure the cable 6 Adhere the tape that secures the touchpad to the palm rest and keyboard assembly Next step 1 Install the battery 2 Install the base cover 3 Follow the procedure in After working ins...

Page 33: ...system board 3 Open the display hinges at an angle of 90 degrees 4 Disconnect the power adapter port cable from the system board 5 Remove the screw M2x3 that secures the power adapter port to the palm rest and keyboard assembly 6 Lift the power adapter port along with its cable off the palm rest and keyboard assembly Installing the power adapter port Prerequisite If you are replacing a component r...

Page 34: ...splay hinges 6 Replace the screw M2x4 that secure the right display hinge to the system board Next step 1 Install the battery 2 Install the base cover 3 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 3 Remove the battery About this task The ...

Page 35: ...Removing and installing components 35 ...

Page 36: ...y cable from the system board 4 Remove the two screws M2 5x3 5 that secure the left display hinge to the I O board and palm rest and keyboard assembly 5 Remove the screw M2x4 that secures the right display hinge to the system board 6 Open the display hinges at an angle of 90 degrees 7 Remove the palm rest and keyboard assembly off the display assembly 36 Removing and installing components ...

Page 37: ... component remove the existing component before performing the installation procedure About this task The following image indicates the location of display assembly and provides a visual representation of the installation procedure Removing and installing components 37 ...

Page 38: ...38 Removing and installing components ...

Page 39: ... Replace the screw M2x4 that secures the right display hinge to the system board 5 Connect the display cable on to the connector on the system board 6 Align and place the display cable bracket on the display cable 7 Replace the screw M2x4 that secures the display cable bracket to the system board Next step 1 Install the battery 2 Install the base cover 3 Follow the procedure in After working insid...

Page 40: ...I O board and provides a visual representation of the removal procedure Steps 1 Remove the two screws M2 5x3 5 that secure the left display hinge to the I O board and palm rest and keyboard assembly 2 Open the display hinges at an angle of 90 degrees 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 the I O board 40 Removing ...

Page 41: ...owing image indicates the location of I O board and provides a visual representation of the installation procedure Steps 1 Align and place the I O board on the palm rest and keyboard assembly 2 Replace the screw M2x3 that secures the I O board to the palm rest and keyboard assembly 3 Connect the I O board cable to the I O board and close the latch to secure the cable 4 Adhere the tape that secures...

Page 42: ...r computer 2 Remove the base cover 3 Remove the battery 4 Remove the WLAN card 5 Remove the fan 6 Remove the I O board About this task The following image indicates the location of power button and provides a visual representation of the removal procedure Steps 1 Remove the screw M1 6x2 that secures the power button bracket to the palm rest and keyboard assembly 2 Remove the screw M1 6x2 that secu...

Page 43: ...and keyboard assembly 2 Replace the screw M1 6x2 that secures the power button board to the palm rest and keyboard assembly 3 Align the screw hole on the power button bracket with the screw hole on the palm rest and keyboard assembly 4 Replace the screw M1 6x2 that secures the power button bracket to the palm rest and keyboard assembly Next step 1 Install the I O board 2 Install the fan 3 Install ...

Page 44: ...x2 that secures the power button bracket to the palm rest and keyboard assembly 2 Remove the screw M1 6x2 that secures the power button with fingerprint reader to the palm rest and keyboard assembly 3 Open the latch and disconnect the fingerprint reader cable from the fingerprint reader board 4 Lift the power button with fingerprint reader along with the power button cable off the palm rest and ke...

Page 45: ...h to secure the cable 4 Align and place the power button bracket on the palm rest and keyboard assembly 5 Replace the screw M1 6x2 that secure the power button bracket to the palm rest and keyboard assembly Next step 1 Install the I O board 2 Install the fan 3 Install the WLAN card 4 Install the battery 5 Install the base cover 6 Follow the procedure in After working inside your computer System bo...

Page 46: ...ew that secures the USB Type C port bracket to the system board 4 Peel the tape that secures the I O board cable to the system board 5 Open the latch and disconnect the I O board cable from the system board 6 Disconnect the speaker cable from the system board 7 Open the latch and disconnect the fingerprint reader cable from the system board 8 Open the latch and disconnect the touchpad cable from t...

Page 47: ...system board Prerequisite 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 system board and provides a visual representation of the installation procedure Steps 1 Slide the ports on the system board into the slots on the palm rest and keyboard assembly and align the screw holes ...

Page 48: ... Replace the screw M2x4 that secures the display cable bracket to the system board 14 Replace the screw M2 5x3 5 screw that secures the USB Type C port bracket to the system board Next step 1 Install the power adapter port 2 Install the display assembly 3 Install the heat sink 4 Install the fan 5 Install the WLAN card 6 Install the M 2 2280 solid state drive or M 2 2230 solid state drive whichever...

Page 49: ...lay bezel Prerequisite NOTE This procedure is not applicable to computers shipped with a WWAN configuration 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 display bezel and provides a visual representation of the installation procedure Removing and installing components 49 ...

Page 50: ...cover 5 Follow the procedure in After working inside your computer Display panel Removing the display panel Prerequisites NOTE This procedure is not applicable to computers shipped with a WWAN configuration 1 Follow the procedure in Before working inside your computer 2 Remove the base cover 3 Remove the battery 4 Remove the WLAN card 5 Remove the display assembly 6 Remove the display bezel 50 Rem...

Page 51: ...About this task The following image indicates the location of display panel and provides a visual representation of the removal procedure Removing and installing components 51 ...

Page 52: ...tic scribe NOTE To avoid severing breaking the SR tape pull out only a small section of the SR tape and then roll the SR tape around the scribe 4 Lift the display panel off the display back cover 5 Peel the tape that secures the display cable to the display back cover 6 Open the latch and disconnect the display cable from the display back cover 52 Removing and installing components ...

Page 53: ... WWAN configuration 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 display panel and provides a visual representation of the installation procedure Removing and installing components 53 ...

Page 54: ...lace the display panel on the display back cover 5 Remove the release paper from the pressure film 6 Adhere the pressure film on the display panel 7 Using the flat end of the plastic scribe or handle of the screwdriver press and roll over the pressure films until they turn pink 8 Peel off the pressure film from the display panel 9 Place the display bezel on the display back cover and snap it into ...

Page 55: ... Follow the procedure in Before working inside your computer 2 Remove the base cover 3 Remove the battery 4 Remove the WLAN card 5 Remove the display assembly 6 Remove the display bezel About this task The following image indicates the location of display hinges and provides a visual representation of the removal procedure Steps 1 Remove the four M2 5x2 5 screws that secure the display hinges to t...

Page 56: ...ovides a visual representation of the installation procedure Steps 1 Align the screw holes on the hinges with the screw holes on the display back cover 2 Replace the two M2x2 screws that secure the display hinges to the display back cover 3 Replace the four M2 5x2 5 screws to secure the display hinges to the display back cover Next step 1 Install the display bezel 2 Install the display assembly 3 ...

Page 57: ...sual representation of the removal procedure Steps 1 Peel the tape that secures the camera to the display back cover 2 Using a plastic scribe pry the camera from the alignment post on the display back cover 3 Turn over the camera and disconnect the camera cable off the camera 4 Peel the tape off the camera and lift the camera off the display back cover Installing the camera Prerequisite NOTE This ...

Page 58: ...a to the display back cover Next step 1 Install the display panel 2 Install the display bezel 3 Install the display assembly 4 Install the WLAN card 5 Install the battery 6 Install the base cover 7 Follow the procedure in After working inside your computer Display back cover Removing the display back cover Prerequisites NOTE This procedure is not applicable to computers shipped with a WWAN configu...

Page 59: ...he display back cover NOTE Antenna cables are a part of the palm rest and keyboard assembly for computers shipping with WLAN configurations Installing the display back cover Prerequisite NOTE This procedure is not applicable to computers shipped with a WWAN configuration If you are replacing a component remove the existing component before performing the installation procedure About this task The ...

Page 60: ...9 Install the base cover 10 Follow the procedure in After working inside your computer Display cable Removing the display cable Prerequisites NOTE This procedure is not applicable to computers shipped with a WWAN configuration 1 Follow the procedure in Before working inside your computer 2 Remove the base cover 3 Remove the battery 4 Remove the display assembly 5 Remove the display panel 6 Remove ...

Page 61: ...E This procedure is not applicable to computers shipped with a WWAN configuration 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 display cable and provides a visual representation of the installation procedure Removing and installing components 61 ...

Page 62: ...fter working inside your computer Palm rest and keyboard assembly Removing the palm rest and keyboard assembly Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the base cover 3 Remove the battery 4 Remove the WLAN card 5 Remove the speakers 6 Remove the system board 7 Remove the display assembly 8 Remove the power button with fingerprint reader or power button b...

Page 63: ...assembly NOTE Antenna cables are a part of the display back cover for computers shipping with WWAN configuration Installing the palm rest and keyboard assembly Prerequisite If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates the palm rest and keyboard assembly and provides a visual representation ...

Page 64: ...the touchpad 2 Install the power adapter port 3 Install the power button with fingerprint reader or power button board whichever applicable 4 Install the display assembly 5 Install the system board 6 Install the speakers 7 Install the WLAN card 8 Install the battery 9 Install the base cover 10 Follow the procedure in After working inside your computer 64 Removing and installing components ...

Page 65: ...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 66: ...nge a user selectable option such as the user password type of hard drive installed and enabling or disabling base devices Entering BIOS setup program 1 Turn on or restart your computer 2 During POST when the DELL logo is displayed watch for the F2 prompt to appear and then press F2 immediately NOTE The F2 prompt indicates that the keyboard is initialized This prompt can appear very quickly so you...

Page 67: ...y the ePSA diagnostics screen 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 2 System setup options System information menu Overview BIOS Version Displays the BIOS version number Service Tag Displays the Serv...

Page 68: ...emory Channel Mode Displays single or dual channel mode Memory Technology Displays the technology that is used for the memory Device Information Video Controller Displays the integrate graphics information of the computer dGPU Video Controller Displays the discrete graphics information of the computer Video BIOS Version Displays the video BIOS version of the computer Video Memory Displays the vide...

Page 69: ...bles or disables internal speaker Default ON USB Configuration Enable Boot Support Enables or disables booting from USB mass storage devices such as external hard drive optical drive and USB drive Enable External USB Ports Enables or disables USB ports to be functional in an operating system environment SATA Operation Configures operating mode of the integrated SATA hard drive controller Default R...

Page 70: ...riate Default ON Table 6 System setup options Security menu Security Enable Admin Setup Lockout Enables or disables the user from entering BIOS Setup when an Admin Password is set Default OFF Password Bypass Bypass the System Boot Password and the internal hard drive password prompts during a system restart Default Disabled Enable Non Admin Password Changes Enables or disables the user to change t...

Page 71: ...t are allowed for Admin and System passwords Admin Password Sets Changes or deletes the administrator admin password sometimes called the setup password System Password Sets Changes or deletes the system password Enable Master Password Lockout Enables or disables the master password support Default OFF Table 7 System setup options Secure Boot menu Secure Boot Enable Secure Boot Enables or disables...

Page 72: ...e on AC Enables the computer to turn on and go to boot when AC power is supplied to the computer Default OFF Auto on Time Enables the computer to automatically power on for defined days and times Default Disabled The system will not automatically power up Battery Charge Configuration Enables the computer to run on battery during power usage hours Use the below options to prevent AC power usage bet...

Page 73: ...ult ON Bluetooth Default ON Wireless Device Enable Enable or disable internal WLAN Bluetooth devices WLAN Default ON Bluetooth Default ON Table 12 System setup options POST Behavior menu POST Behavior Numlock Enable Enables or disables Numlock when the computer boots Default ON Enable Adapter Warnings Enables the computer to display adapter warning messages during boot Default ON Extend BIOS POST ...

Page 74: ...he Service Tag of the computer 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 recove...

Page 75: ... of certain system errors Default ON Clearing CMOS settings About this task CAUTION Clearing CMOS settings will reset the BIOS settings on your computer Steps 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 6 Connect the battery cable to the system board 7 Replace the base cover Cleari...

Page 76: ...ter terminal when the diagnostic tests are performed For more information see Dell EPSA Diagnostic 3 0 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 corn...

Page 77: ... 5 Invalid memory installed 2 6 System board or chipset error 2 7 Display failure 2 8 LCD failure EC detection of power rail failure 3 1 Coin cell battery failure 3 2 PCI video card chip failure 3 3 Recovery 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 ...

Page 78: ...ton to initiate M BIST 2 With both the M key and the power button held down the battery indicator LEDs exhibit two states a OFF No fault is detected with the system board b AMBER Indicates a problem with the system board LCD Built In Self Test BIST About this task LCD BIST is a diagnostic tool that helps you determine if a screen abnormality is an inherent problem with the LCD screen of the comput...

Page 79: ...dure from step 1 to step 7 in Flashing the BIOS to download the latest BIOS setup program file 2 Create a bootable USB drive For more information see the knowledge base article SLN143196 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 l...

Page 80: ...ea power 5 Replace the battery 6 Replace the base cover 7 Turn on your computer Wi Fi power cycle About this task If your computer is unable to access the Internet due to Wi Fi connectivity issues a Wi Fi power cycle procedure may be performed The following procedure provides the instructions on how to conduct a Wi Fi power cycle NOTE Some ISPs Internet Service Providers provide a modem router com...

Page 81: ... the related articles Learn and know the following information about your product Product specifications Operating system Setting up and using your product Data backup Troubleshooting and diagnostics Factory and system restore BIOS information See Me and My Dell at www dell com support manuals To locate the Me and My Dell relevant to your product identify your product through one of the following ...

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