Dell 3330, Service Manual

Page 1: ...Latitude 3330 Service Manual Regulatory Model P158G P159G Regulatory Type P158G002 P159G002 April 2022 Rev A00 ...

Page 2: ...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 2022 Dell Inc or its subsidiaries All rights reserved Dell Technologies Dell and other trademarks are trademarks of Dell Inc or its subsidiaries Other trademarks may be trademarks of their respective owners ...

Page 3: ...e base cover 16 Battery 19 Lithium ion battery precautions 19 Removing the 3 cell battery 19 Installing the 3 cell battery 20 Removing the 4 cell battery 22 Installing the 4 cell battery 22 M 2 solid state drive 22 Removing the M 2 2230 solid state drive 22 Installing the M 2 2230 solid state drive 23 Removing the M 2 2280 solid state drive 23 Installing the M 2 2280 solid state drive 24 Wireless ...

Page 4: ...m rest and keyboard assembly 64 Removing the palm rest and keyboard assembly 64 Installing the palm rest and keyboard assembly 65 Chapter 3 Drivers and downloads 67 Chapter 4 BIOS setup 68 BIOS overview 68 Entering BIOS setup program 68 Navigation keys 68 One time boot menu 69 System setup options 69 Updating the BIOS 78 Updating the BIOS in Windows 78 Updating the BIOS in Linux and Ubuntu 78 Upda...

Page 5: ...t in Self Test BIST 84 System diagnostic lights 84 Recovering the operating system 86 Real Time Clock RTC Reset 86 Backup media and recovery options 87 WiFi power cycle 87 Drain residual flea power perform hard reset 87 Chapter 6 Getting help and contacting Dell 88 Contents 5 ...

Page 6: ...ng inside your computer ground yourself by touching an unpainted metal surface such as the metal at the back of the computer While you work periodically touch an unpainted metal surface to dissipate static electricity which could harm internal components CAUTION When you disconnect a cable pull it by its connector or its pull tab not the cable itself Some cables have connectors with locking tabs o...

Page 7: ...ystem and all attached peripherals Disconnect the system and all attached peripherals from AC power Disconnect all network cables telephone and telecommunications lines from the system Use an ESD field service kit when working inside any notebook to avoid electrostatic discharge ESD damage After removing any system component carefully place the removed component on an anti static mat Wear shoes wi...

Page 8: ...atic mat your wrist strap should be snug and the bonding wire should be connected to the mat and to any bare metal on the system being worked on Once deployed properly service parts can be removed from the ESD bag and placed directly on the mat ESD sensitive items are safe in your hand on the ESD mat in the system or inside a bag Wrist Strap and Bonding Wire The wrist strap and bonding wire can be...

Page 9: ... When transporting ESD sensitive components such as replacement parts or parts to be returned to Dell it is critical to place these parts in anti static bags for safe transport After working inside your computer About this task CAUTION Leaving stray or loose screws inside your computer may severely damage your computer Steps 1 Replace all screws and ensure that no stray screws remain inside your c...

Page 10: ... This is to ensure that the correct number of screws and correct screw type is restored when 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 Screw type Quantity Screw image Base cover Captive screws 7 3 c...

Page 11: ...board M2x3 2 Power button with optional fingerprint reader M2x3 1 Touchpad bracket Touchpad module M2x2 5 M2x1 8 3 2 USB type C bracket M2x3 1 System board M2x2 4 Major components of Latitude 3330 The following image shows the major components of Latitude 3330 Removing and installing components 11 ...

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Page 13: ...arts are available according to warranty coverages purchased by the customer Contact your Dell sales representative for purchase options Micro secure digital mSD card Removing the micro secure digital card Prerequisites 1 Follow the procedure in Before working inside your computer About this task The following images indicate the location of the micro secure digital card and provide a visual repre...

Page 14: ... the installation procedure Steps Slide the micro secure digital card into the micro secure digital card slot until it clicks into place Next steps 1 Follow the procedure in After working inside your computer Base cover Removing the base cover Prerequisites 1 Follow the procedure in Before working inside your computer About this task The following images indicate the location of the base cover and...

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Page 16: ...e base cover and continue working on the left right and bottom sides to open the base cover 4 Carefully lift and remove the base cover from the chassis Installing the base cover Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task The following images indicate the location of the base cover and provide a visual re...

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Page 18: ...ver with the screw holes on the palm rest and keyboard assembly and snap the base cover latches into place 3 Tighten the seven captive screws to secure the base cover to the chassis Next steps 1 Follow the procedure in After working inside your computer 18 Removing and installing components ...

Page 19: ...nt accidental puncture or damage to the battery and other system components If the battery gets stuck inside your computer as a result of swelling do not try to release it as puncturing bending or crushing a lithium ion battery can be dangerous In such an instance contact Dell technical support for assistance See www dell com contactdell Always purchase genuine batteries from www dell com or autho...

Page 20: ... 3 cell battery to remove it from the palm rest and keyboard assembly 4 Disconnect and remove the battery cable from the 3 cell battery Installing the 3 cell battery Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task The following images indicate the location of the 3 cell battery and provide a visual representa...

Page 21: ...rew holes on the 3 cell battery to the screw holes on the palm rest and keyboard assembly 4 Replace the three screws M2x3 to secure the 3 cell battery to the palm rest and keyboard assembly 5 Connect the battery cable to the connector on the system board Next steps 1 Install the base cover 2 Follow the procedure in After working inside your computer Removing and installing components 21 ...

Page 22: ...ssembly 3 Align the screw holes on the 4 cell battery to the screw holes on the palm rest and keyboard assembly 4 Replace the three screws M2x3 to secure the 4 cell battery to the palm rest and keyboard assembly 5 Connect the battery cable to the connector on the system board Next steps 1 Install the base cover 2 Follow the procedure in After working inside your computer M 2 solid state drive Remo...

Page 23: ...board NOTE A thermal pad sticker is adhered to the system board underneath the M 2230 solid state drive If in the process of replacing the M 2230 solid state drive the thermal pad is separated from the plate or gets adhered to the M 2 2230 solid state drive technicians must readhere the thermal pad to the system board before reinstalling the M 2 2230 solid state drive to the system 3 Align and pla...

Page 24: ...n opening the mylar sheet as it can easily rip 2 Remove the screw M2x2 that secures the M 2 2280 solid state drive to the system board 3 Slide and remove the M 2 2280 solid state drive from the M 2 card connector on the system board NOTE A thermal pad sticker is adhered to the system board underneath the M 2280 solid state drive If in the process of replacing the M 2280 solid state drive the therm...

Page 25: ...lid state drive technicians must readhere the thermal pad to the system board before reinstalling the M 2 2280 solid state drive to the system 3 Align the screw hole on the M 2 2280 solid state drive with the screw hole on the palm rest and keyboard assembly 4 Replace the screw M2x2 to secure the M 2 2280 solid state drive thermal plate to the system board 5 Close the M 2 2280 solid state drive my...

Page 26: ...g inside your computer 2 Remove the base cover 3 Remove the 3 cell battery or the 4 cell battery whichever applicable About this task The following images indicate the location of the wireless card and provide a visual representation of the removal procedure 26 Removing and installing components ...

Page 27: ...ess card 4 Lift and remove the wireless card from the wireless card slot on the system board Installing the wireless card Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task The following images indicate the location of the wireless card and provide a visual representation of the installation procedure Removing a...

Page 28: ...e replacing them Table 2 WLAN antenna cable color scheme Connectors on the wireless card Antenna cable color Main White triangle on the wireless module of the system board White cable Auxiliary Solid triangle on the wireless module of the system board Black cable 2 Align the notch on the wireless card with the tab on the wireless card slot 28 Removing and installing components ...

Page 29: ...al fan Removing the thermal fan Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the base cover 3 Remove the 3 cell battery or the 4 cell battery whichever applicable About this task NOTE The thermal fan may become hot during normal operation Allow sufficient time for the thermal fan to cool before you touch it NOTE For maximum cooling of the processor do not to...

Page 30: ...e the thermal fan from the system board Installing the thermal module Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates the location of the thermal fan and provides a visual representation of the installation procedure 30 Removing and installing components ...

Page 31: ...ystem board 4 Connect the thermal fan cable to the connector on the system board Next steps 1 Install the 3 cell battery or the 4 cell battery whichever applicable 2 Install the base cover 3 Follow the procedure in After working inside your computer Thermal heat sink Removing the thermal heat sink Prerequisites 1 Follow the procedure in Before working inside your computer Removing and installing c...

Page 32: ...t sink and provides a visual representation of the removal procedure Steps 1 Loosen the four captive screws that secure the thermal heat sink to the system board NOTE Loosen the four captive screws in the reverse sequential order mentioned on the thermal heat sink 4 3 2 1 2 Lift and remove the thermal heat sink from the system board Installing the thermal heat sink Prerequisites If you are replaci...

Page 33: ...sink to the system board NOTE Tighten the four captive screws in the sequential order mentioned on the thermal heat sink 1 2 3 4 Next steps 1 Install the 3 cell battery or the 4 cell battery whichever applicable 2 Install the base cover 3 Follow the procedure in After working inside your computer Coin cell battery Removing the coin cell battery Prerequisites 1 Follow the procedure in Before workin...

Page 34: ...onnector on the system board 2 Using a plastic scribe pry the coin cell battery off its slot on the palm rest and keyboard assembly Installing the coin cell battery Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates the location of the coin cell battery and provides a visual represe...

Page 35: ...nside 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 3 cell battery or the 4 cell battery whichever applicable About this task NOTE The display assembly removal procedure is the same for both clamshell and 2 in 1 convertible chassis The following images indicate the locati...

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Page 38: ...ay flat on the surface and the display assembly is over the edge 6 Remove the four screws M2x3 that secure the display hinges to the system 7 Lift the left and right hinges in upward direction away from the system 8 Lift the palm rest and keyboard assembly at an angle to free it from the hinges and remove it from the display assembly NOTE The display assembly is a Hinge Up Design HUD assembly and ...

Page 39: ...embly installation procedure is the same for both clamshell and 2 in 1 convertible chassis NOTE Ensure that the hinges are opened to the maximum before replacing the display assembly on the palm rest and keyboard assembly The following images indicate the location of the display assembly and provide a visual representation of the installation procedure Removing and installing components 39 ...

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Page 42: ...cable 7 Align and place the display cable bracket on the display cable connector on the system board 8 Replace the two screws M2x3 to secure the display cable bracket to the system board Next steps 1 Install the 3 cell battery or the 4 cell battery whichever applicable 2 Install the base cover 3 Follow the procedure in After working inside your computer I O board Removing the I O board Prerequisit...

Page 43: ...plies only to systems shipped with a power button with fingerprint reader installed 5 Remove the two screws M2x3 that secure the I O board to the palm rest and keyboard assembly 6 Lift the I O board off the palm rest and keyboard assembly Installing the I O board Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this tas...

Page 44: ...systems shipped with a power button with fingerprint reader installed 5 Connect the I O board cable to the connector on the I O board and close its latch 6 Gently press the left display hinge in downward direction towards the system 7 Align the screw holes on the left display hinge with the screw holes on the system 8 Replace the two screws M2x3 to secure the left display hinge to the system Next ...

Page 45: ...Remove the coin cell battery 5 Remove the display assembly About this task The following images indicate the location of the power button and provide a visual representation of the removal procedure Steps 1 Remove the screw M2x3 that secures the power button to the palm rest and keyboard assembly 2 Remove the power button from the slot on the palm rest and keyboard assembly Removing and installing...

Page 46: ...ower button into its slot on the palm rest and keyboard assembly 2 Align the screw hole on the power button to the screw hole on the palm rest and keyboard assembly 3 Replace the screw M2x3 to secure the power button to the palm rest and keyboard assembly Next steps 1 Install the display assembly 2 Install the coin cell battery 3 Install the 3 cell battery or the 4 cell battery whichever applicabl...

Page 47: ...his task The following images indicate the location of the power button with optional fingerprint reader and provide a visual representation of the removal procedure Steps 1 Remove the screw M2x3 that secures the power button with optional fingerprint reader to the palm rest and keyboard assembly 2 Peel off the fingerprint reader flexible printed circuits from the connector on the power button 3 R...

Page 48: ...rint reader into its slot on the palm rest and keyboard assembly 2 Adhere the fingerprint reader flexible printed circuits to the connector on the power button 3 Align the screw hole on the power button with optional fingerprint reader to the screw hole on the palm rest and keyboard assembly 4 Replace the screw M2x3 to secure the power button with optional fingerprint reader to the palm rest and k...

Page 49: ... Before working inside your computer 2 Remove the base cover 3 Remove the 3 cell battery or the 4 cell battery whichever applicable 4 Remove the wireless card About this task The following images indicate the location of the speakers and provide a visual representation of the removal procedure Removing and installing components 49 ...

Page 50: ...oard flexible printed circuits from the connector on the system board 2 Disconnect the speaker cable from the connector on the system board 3 Peel the adhesive tapes that secure the speaker cable in place to the palm rest and keyboard assembly 50 Removing and installing components ...

Page 51: ... a component remove the existing component before performing the installation procedure About this task NOTE If the rubber grommets are pushed out when removing the speakers push them back in place before replacing the speakers The following images indicate the location of the speakers and provide a visual representation of the installation procedure Removing and installing components 51 ...

Page 52: ...speaker cables through the routing guides on the palm rest and keyboard assembly 3 Adhere the adhesive tapes to secure the speaker cable to the palm rest and keyboard assembly 4 Connect the speaker cable to the connector on the system board 52 Removing and installing components ...

Page 53: ... 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 3 cell battery or the 4 cell battery whichever applicable 4 Remove the speakers About this task The following images indicate the location of the touchpad and provide a visual representation of the removal procedure Steps 1 Open the l...

Page 54: ... the location of the touchpad and provide a visual representation of the installation procedure Steps 1 Align and place the touchpad module into the slot on the palm rest and keyboard assembly 2 Align the screw holes on the touchpad module to the screw holes on the palm rest and keyboard assembly 3 Replace the two screws M2x1 8 to secure the touchpad module to the palm rest and keyboard assembly 4...

Page 55: ... Remove the base cover 3 Remove the 3 cell battery or the 4 cell battery whichever applicable 4 Remove the M 2 2230 solid state drive or the M 2 2280 solid state drive whichever applicable 5 Remove the wireless card 6 Remove the thermal fan 7 Remove the thermal heat sink 8 Remove the display assembly About this task The following image indicates the connectors on your system board Figure 1 System ...

Page 56: ...olid state drive connector 8 Keyboard cable connector 9 Keyboard backlit LED cable connector 10 Touchpad cable connector 11 WLAN card connector 12 I O board cable connector The following images indicate the location of the system board and provide a visual representation of the removal procedure 56 Removing and installing components ...

Page 57: ...ectors on the system board a Touchpad FFC b I O board cable c Speaker cable d Coin cell battery cable e Power adapter port cable f Keyboard cable g Keyboard backlit LED cable if applicable NOTE This step applies only to systems shipped with a keyboard backlight installed 8 Remove the four screws M2x2 that secure the system board to the palm rest and keyboard assembly 9 Lift and remove the system b...

Page 58: ...onnector 6 Battery cable connector 7 M 2 solid state drive connector 8 Keyboard cable connector 9 Keyboard backlit LED cable connector 10 Touchpad cable connector 11 WLAN card connector 12 I O board cable connector The following images indicate the location of the system board and provide a visual representation of the installation procedure 58 Removing and installing components ...

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Page 60: ... O board cable c Speaker cable d Coin cell battery cable e Power adapter port cable f Keyboard cable g Keyboard backlit LED cable if applicable NOTE This step applies only to systems shipped with a keyboard backlight installed 5 Align and place the USB type C bracket on the system board 6 Align the screw holes on the USB type C bracket with the screw holes on the system board 7 Replace the screw M...

Page 61: ...se cover 8 Follow the procedure in After working inside your computer Power adapter port Removing the power adapter port Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the base cover 3 Remove the 3 cell battery or the 4 cell battery whichever applicable 4 Remove the M 2 2230 solid state drive or the M 2 2280 solid state drive whichever applicable 5 Remove the ...

Page 62: ...tem board 5 Disconnect the power adapter port cable from the connector on the system board and remove the power adapter port from the system board Installing the power adapter port Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task The following images indicate the location of the power adapter port and provide ...

Page 63: ...holes on the right display hinge with the screw holes on the system 8 Replace the two screws M2x3 to secure the right display hinge to the system Next steps 1 Install the system board NOTE The system board can be installed with the thermal heat sink attached to it in order to simplify the procedure and preserve the thermal bond between the system board and the thermal heat sink 2 Install the therm...

Page 64: ...emove the power button or the power button with fingerprint reader whichever applicable 12 Remove the speakers 13 Remove the touchpad 14 Remove the system board NOTE The system board can be removed with the thermal heat sink attached to it in order to simplify the procedure and preserve the thermal bond between the system board and the thermal heat sink 15 Remove the power adapter port About this ...

Page 65: ... assembly Prerequisites If you are replacing a component remove the existing component before performing the installation procedure About this task The following image indicates the location of the palm rest and keyboard assembly and provides a visual representation of the installation procedure Removing and installing components 65 ...

Page 66: ...nk 3 Install the touchpad 4 Install the speakers 5 Install the power button or the power button with fingerprint reader whichever applicable 6 Install the I O board 7 Install the display assembly 8 Install the coin cell battery 9 Install the thermal heat sink 10 Install the thermal fan 11 Install the wireless card 12 Install the M 2 2230 solid state drive or the M 2 2280 solid state drive whicheve...

Page 67: ...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 67 ...

Page 68: ...g or disabling base devices BIOS overview The BIOS manages data flow between the computer s operating system and attached devices such as hard disk video adapter keyboard mouse and printer Entering BIOS setup program Steps 1 Turn on your computer 2 Press F2 immediately to enter the BIOS setup program NOTE If you wait too long and the operating system logo appears continue to wait until you see the...

Page 69: ...tem and its installed devices the items that are listed in this section may or may not appear Table 4 System setup options System information menu Overview Lattitude 3330 BIOS Version Displays the BIOS version number Service Tag Displays the Service Tag of the system Asset Tag Displays the Asset Tag of the system Manufacture Date Displays the manufacture date of the system Ownership Date Displays ...

Page 70: ...s used for the memory Devices Information Panel Type Displays the Panel Type of the system Video Controller Displays the video controller type of the system Video Memory Displays the video memory information of the system Wi Fi Device Displays the wireless device information of the system Native Resolution Displays the native resolution of the system Video BIOS Version Displays the video BIOS vers...

Page 71: ...USB drive By default the Enable USB Boot Support option is enabled Disable USB4 PCIE Tunneling Disable the USB4 PCIE Tunneling option By default the option is disabled Video Power only on Type C Ports Enable or disable the Type C port functionality to video or power only By default the Video Power only on Type C Ports option is disabled Table 7 System setup options Storage menu Storage SATA NVMe O...

Page 72: ... the option is not enabled Table 9 System setup options Connection menu Connection Wireless Device Enable WLAN Enable or disable the internal WLAN device By default the option enabled Bluetooth Enable or disable the internal Bluetooth device By default the option enabled Enable UEFI Network Stack Enable or disable UEFI Network Stack and controls the on board LAN Controller By default the Enable UE...

Page 73: ...ing sleep S3 mode in the operating system By default the Block Sleep option is disabled Lid Switch Enabled Lid Switch Enable or disable the lid switch By default the Enable Lid Switch option is enabled Power On Lid Open When enabled allows the system to power up from the off state whenever the lid is opened By default the Power On Lid Open option is enabled Intel Speed Shift Technology Enable or d...

Page 74: ...e unavailable while Computrace is in the activated state 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 the Always Except Internal HDD option is enabled Table 12 System setup options Passwords menu Passwords Admin Password Set change or delete the administrator pas...

Page 75: ...ux Vendor Firmware Service LVFS By default the option is enabled BIOS Recovery from Hard Drive Enables the user to recover from certain corrupted BIOS conditions from a recovery file on the user primary hard drive or an external USB key By default the option is enabled NOTE BIOS Recovery from Hard Drive is not available for self encrypting drives SED BIOS Downgrade Allow BIOS Downgrade This field ...

Page 76: ... 16 System setup options Pre boot Behavior menu Pre boot Behavior Adapter Warnings Enable Adapter Warnings Enable or disable the warning messages during boot when the adapters with less power capacity are detected By default the option is enabled Warning and Errors Enable or disable the action to be done when a warning or error is encountered By default the Prompt on Warnings and Errors option is ...

Page 77: ...ore frequency decreasing average power consumption and heat production By default the option is enabled C States Control Enable C State Control Enable the ability of the CPU to enter and exit low power state When disabled it disabled all C states When enabled it enabled all C states that the chipset or platform allows By default the option is enabled Intel Turbo Boost Technology Enable Intel Turbo...

Page 78: ...omputer You can also use the product ID or manually browse for your computer model 3 Click Drivers Downloads Expand Find drivers 4 Select the operating system installed on your computer 5 In the Category drop down list select BIOS 6 Select the latest version of BIOS and click Download to download the BIOS file for your computer 7 After the download is complete browse the folder where you saved the...

Page 79: ...IOS 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 option for your computer If the option is listed then the BIOS supports this BIOS update option NOTE Only computers with BIOS Flash Update option in the F12 One...

Page 80: ...stem 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 81: ...System and or Setup password reenter the new password when prompted If you delete the System and or Setup password confirm the deletion when prompted 5 Press Esc and a message prompts you to save the changes 6 Press Y to save the changes and exit from System Setup The computer restarts Clearing BIOS System Setup and System passwords About this task To clear the system or BIOS passwords contact Del...

Page 82: ...ot 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 covered under warranty should be returned to Dell in an approved shipping co...

Page 83: ...sues error codes are displayed Note the error code and validation number and contact Dell Built in self test BIST M BIST M BIST Built In Self Test is the system board s built in self test diagnostics tool that improves the diagnostics 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 i...

Page 84: ...s like flickering distortion clarity issues fuzzy or blurry image horizontal or vertical lines color fade etc it is always a good practice to isolate the LCD screen by running the Built In Self Test BIST How to invoke LCD BIST Test 1 Power off the Dell laptop 2 Disconnect any peripherals that are connected to the laptop Connect only the AC adapter charger to the laptop 3 Ensure that the LCD screen...

Page 85: ...eplace the memory module 2 4 Memory RAM failure Reset and swap memory modules among the slots If problem persists replace the memory module 2 5 Invalid memory installed Reset and swap memory modules among the slots If problem persists replace the memory module 2 6 System board Chipset Error Replace the system board 2 7 LCD failure SBIOS message Replace the LCD module 2 8 LCD failure EC detection o...

Page 86: ...ll SupportAssist OS Recovery Dell SupportAssist OS Recovery is a standalone tool that 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 it...

Page 87: ...rm hard reset About this task Flea power is the residual static electricity that remains in the computer even after it has been powered off and the battery is removed For your safety and to protect the sensitive electronic components in your computer you are requested to drain residual flea power before removing or replacing any components in your computer Draining residual flea power also known a...

Page 88: ... 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...