Dell Inspiron 15 3525 Service Manual Download

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1. Base cover
2. Battery
3. Speakers
4. Power-button with optional fingerprint-reader

Removing and installing components

Summary of Contents for Inspiron 15 3525

Page 1: ...Inspiron 15 3525 Service Manual Regulatory Model P112F Regulatory Type P112F005 P112F006 February 2022 Rev A00 ...

Page 2: ...ential damage to hardware or loss of data and tells you how to avoid the problem WARNING A WARNING indicates a potential for property damage personal injury or death 2022 Dell Inc or its subsidiaries All rights reserved Dell EMC and other trademarks are trademarks of Dell Inc or its subsidiaries Other trademarks may be trademarks of their respective owners ...

Page 3: ...Installing the base cover 17 Battery 18 Lithium ion battery precautions 18 Removing the 3 cell battery 19 Installing the 3 cell battery 20 Removing the 4 cell battery 20 Installing the 4 cell battery 22 Disconnecting the battery cable 22 Connecting the battery cable 23 Memory modules 24 Removing the memory modules 24 Installing the memory modules 25 M 2 solid state drive 26 Removing the M 2 2230 s...

Page 4: ...eader 49 Installing the power button with optional fingerprint reader 50 Display assembly 51 Removing the display assembly 51 Installing the display assembly 54 Display bezel 55 Removing the display bezel 55 Installing the display bezel 56 Display panel 58 Removing the display panel 58 Installing the display panel 60 Hinge caps 62 Removing the hinge caps 62 Installing the hinge caps 63 Hinges 65 R...

Page 5: ...password 89 Assigning a system setup password 89 Deleting or changing an existing system setup password 90 Clearing BIOS System Setup and System passwords 90 Chapter 5 Troubleshooting 91 Handling swollen Lithium ion batteries 91 Dell SupportAssist Pre boot System Performance Check diagnostics 91 Running the SupportAssist Pre Boot System Performance Check 92 Built in self test BIST 92 M BIST 92 LCD...

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

Page 7: ...t strap should be secure and in full contact with your skin and ensure that you remove all jewelry such as watches bracelets or rings prior to bonding yourself and the equipment Electrostatic discharge ESD protection ESD is a major concern when you handle electronic components especially sensitive components such as expansion cards processors memory DIMMs and system boards Very slight charges can ...

Page 8: ...t once per week A wrist strap tester is the best method for doing this test If you do not have your own wrist strap tester check with your regional office to find out if they have one To perform the test plug the wrist strap s bonding wire into the tester while it is strapped to your wrist and push the button to test A green LED is lit if the test is successful a red LED is lit and an alarm sounds...

Page 9: ...ts 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 BitLocker CAUTION If BitLocker is not suspended before updating the BIOS the next time you reboot the system it will not recognize the BitLocker key You will then be prompted to enter the recovery key to progress and the system will ask for this o...

Page 10: ...nsure 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 M2x5 Captive screw 6 2 3 cell bat...

Page 11: ...tton with optional fingerprint reader M2x2 O D 5 mm 1 Display assembly M2 5x5 4 System board M2x3 5 M2x2 O D 5 mm 4 1 USB type C bracket M2x3 5 2 Touchpad Touchpad bracket M2x2 big head O D 5 mm M2x2 big head O D 5 mm 2 3 Major components of Inspiron 15 3525 The following image shows the major components of Inspiron 15 3525 Removing and installing components 11 ...

Page 12: ...1 Base cover 2 Battery 3 Speakers 4 Power button with optional fingerprint reader 12 Removing and installing components ...

Page 13: ...a list of components and their part numbers for the original system configuration purchased These parts are available according to warranty coverages purchased by the customer Contact your Dell sales representative for purchase options Secure Digital SD Card Removing the Secure Digital card Prerequisites 1 Follow the procedure in Before working inside your computer About this task Steps 1 Push the...

Page 14: ...procedure in After working inside your computer Base cover Removing the base cover Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the SD card About this task NOTE Before removing the base cover ensure that there is no SD card installed in the SD card slot on your computer The following images indicate the location of the base cover and provide a visual represe...

Page 15: ...Removing and installing components 15 ...

Page 16: ...3 Using a plastic scribe pry open the base cover from the recesses located in the U shaped indents at the top edge of the base cover near the hinges 4 Lift the base cover off the palm rest and keyboard assembly 5 Disconnect the battery cable from the system board 6 Press and hold the power button for five seconds to ground the computer and drain the flea power 16 Removing and installing components...

Page 17: ... component remove the existing component before performing the installation process About this task The following images indicate the location of the base cover and provide a visual representation of the installation procedure Removing and installing components 17 ...

Page 18: ...charge the battery completely before removing it Disconnect the AC power adapter from the system and operate the computer solely on battery power the battery is fully discharged when the computer no longer turns on when the power button is pressed Do not crush drop mutilate or penetrate the battery with foreign objects Do not expose the battery to high temperatures or disassemble battery packs and...

Page 19: ...ery Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the SD card 3 Remove the base cover About this task The following image indicates the location of the 3 cell battery and provides a visual representation of the removal procedure Steps 1 Disconnect the battery cable from the system board if applicable 2 Remove the three M2x3 screws that secure the battery to t...

Page 20: ... holes on the palm rest and keyboard assembly 3 Replace the three M2x3 screws that secure the battery to the palm rest and keyboard assembly 4 Adhere the hard drive Flexible Flat Cable on to the battery and connect the cable to the system board 5 Connect the battery cable to the connector on the system board Next steps 1 Install the base cover 2 Install the SD card 3 Follow the procedure in After ...

Page 21: ...ard if applicable 2 Remove the four M2x3 screws that secure the battery to the palm rest and keyboard assembly 3 Remove the battery from the palm rest and keyboard assembly NOTE When replacing the 4 cell battery use a scribe push upward through the bottom left screw hole to remove the battery rubber stopper and transfer it to the new replacement 4 cell battery Removing and installing components 21...

Page 22: ...st and keyboard assembly 4 Connect the battery cable to the connector on the system board NOTE When replacing the 4 cell battery use a scribe push upward through the bottom left screw hole to remove the battery rubber stopper and transfer it to the new replacement 4 cell battery Next steps 1 Install the base cover 2 Install the SD card 3 Follow the procedure in After working inside your computer D...

Page 23: ...the battery cable Prerequisites If you are replacing a component remove the existing component before performing the installation process About this task The following images indicate the location of the battery cable and provide a visual representation of the installation procedure Removing and installing components 23 ...

Page 24: ... Follow the procedure in After working inside your computer Memory modules Removing the memory modules Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the SD card 3 Remove the base cover About this task The following images indicate the location of the memory modules and provide a visual representation of the removal procedure 24 Removing and installing compone...

Page 25: ... have up to two memory modules installed Repeat steps 1 to 2 if there is a second memory module installed Installing the memory modules Prerequisites If you are replacing a component remove the existing component before performing the installation process About this task The following images indicate the location of the memory modules and provide a visual representation of the installation procedu...

Page 26: ...er 2 Install the SD card 3 Follow the procedure in After working inside your computer M 2 solid state drive Removing the M 2 2230 solid state drive Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the SD card 3 Remove the base cover About this task NOTE This procedure applies only to computers shipped with an M 2 2230 solid state drive installed NOTE The M 2 car...

Page 27: ...alling the M 2 2230 solid state drive Prerequisites If you are replacing a component remove the existing component before performing the installation process About this task NOTE This procedure applies if you are installing a M 2 2230 solid state drive NOTE The M 2 card installed on your computer depends on the configuration ordered Supported card configurations on the M 2 card slot M 2 2230 solid...

Page 28: ...l the SD card 3 Follow the procedure in After working inside your computer Removing the M 2 2280 solid state drive Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the SD card 3 Remove the base cover About this task NOTE This procedure applies only to computers shipped with a M 2 2280 solid state drive installed NOTE The M 2 card installed on your computer depen...

Page 29: ...ing a component remove the existing component before performing the installation process About this task NOTE This procedure applies if you are installing a M 2 2280 solid state drive NOTE The M 2 card installed on your computer depends on the configuration ordered Supported card configurations on the M 2 card slot M 2 2230 solid state drive M 2 2280 solid state drive The following images indicate...

Page 30: ...the M2x2 screw that secures the M 2 thermal plate and the M 2 solid state drive to the palm rest and keyboard assembly Next steps 1 Install the base cover 2 Install the SD card 3 Follow the procedure in After working inside your computer Wireless card Removing the wireless card Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the SD card 3 Remove the base cover ...

Page 31: ...Slide and remove the wireless card from the WLAN slot on the system board Installing the wireless card Prerequisites If you are replacing a component remove the existing component before performing the installation process About this task The following images indicate the location of the wireless card and provide a visual representation of the installation procedure Removing and installing compone...

Page 32: ...or Silkscreen marking Main White MAIN white triangle Auxiliary Black AUX black triangle 2 Slide the wireless card into the WLAN slot on the system board 3 Place the wireless card bracket on the wireless card 4 Replace the screw M2x3 5 that secures the wireless card bracket to the system board Next steps 1 Install the base cover 2 Install the SD card 3 Follow the procedure in After working inside y...

Page 33: ... the fan cable from the system board 2 Remove the two M2x5 screws that secure the fan to the palm rest and keyboard assembly 3 Lift the fan from the palm rest and keyboard assembly Installing the fan Prerequisites If you are replacing a component remove the existing component before performing the installation process About this task The following images indicate the location of the fan and provid...

Page 34: ... connector on the system board Next steps 1 Install the base cover 2 Install the SD card 3 Follow the procedure in After working inside your computer Speakers Removing the speakers Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the SD card 3 Remove the base cover About this task The following images indicate the location of the speakers and provide a visual re...

Page 35: ...with its cable from the palm rest and keyboard assembly Installing the speakers Prerequisites If you are replacing a component remove the existing component before performing the installation process About this task The following images indicate the location of the speakers and provide a visual representation of the installation procedure Removing and installing components 35 ...

Page 36: ...speaker cable to the system board Next steps 1 Install the base cover 2 Install the SD card 3 Follow the procedure in After working inside your computer Hard drive assembly Removing the hard drive Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the SD card 3 Remove the base cover About this task The following images indicate the location of the hard drive and p...

Page 37: ...hard drive assembly 5 Remove the four screws M3x3 that secure the hard drive to the hard drive bracket 6 Slide and remove the hard drive from the hard drive bracket Installing the hard drive Prerequisites If you are replacing a component remove the existing component before performing the installation process About this task The following images indicate the location of the hard drive assembly and...

Page 38: ...e the hard drive assembly on the palm rest and keyboard assembly 6 Align the screw holes on the hard drive assembly to the screw holes on the palm rest and keyboard assembly 7 Replace the four M2x3 5 screws that secure the hard drive assembly to the palm rest and keyboard assembly 8 Connect the hard drive cable to the connector on the system board Next steps 1 Install the base cover 2 Install the ...

Page 39: ...est and keyboard assembly 2 Lift the hinge up to access the I O board 3 Open the latch and disconnect the I O board cable from the I O board 4 Open the latch and disconnect the fingerprint reader board cable from the I O board if applicable 5 Remove the three M2x3 5 screws 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 ...

Page 40: ...cable to the connector on the I O board and close the latch if applicable 5 Connect the I O board power cable to the connector on the I O board and close the latch 6 Close the hinge and replace the two M2 5x5 screws that secure the display hinge to the palm rest and keyboard assembly Next steps 1 Install the base cover 2 Install the SD card 3 Follow the procedure in After working inside your compu...

Page 41: ...mage indicates the location of the Input Output daughter board FFC and provides a visual representation of the removal procedure in an aluminum chassis For systems shipped with a plastic chassis Removing and installing components 41 ...

Page 42: ...rneath the wireless card antenna cables and lift off the palm rest and keyboard assembly Installing the Input Output daughter board FFC Prerequisites If you are replacing a component remove the existing component before performing the installation process About this task The following images indicate the location of the I O daughter board FFC and provide a visual representation of the installation...

Page 43: ...the I O daughter board FFC the connector on the I O board 3 Connect the I O daughter board FFC the connector on the system board Next steps 1 Install the fan 2 Install the base cover 3 Install the SD card 4 Follow the procedure in After working inside your computer Heat sink Removing the heat sink UMA Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the SD card ...

Page 44: ... the system board NOTE Loosen the captive screws in the reverse sequential order mentioned on the heat sink 4 3 2 1 NOTE The number of screws varies depending on the configuration ordered 2 Lift the heat sink from the system board Installing the heat sink UMA Prerequisites If you are replacing a component remove the existing component before performing the installation process About this task NOTE...

Page 45: ...at sink discrete Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the SD card 3 Remove the base cover About this task NOTE The heat sink may become hot during normal operation Allow sufficient time for the heat sink to cool before you touch it NOTE For maximum cooling of the processor do not touch the heat transfer areas on the heat sink The oils in your skin ca...

Page 46: ...board Installing the heat sink discrete Prerequisites If you are replacing a component remove the existing component before performing the installation process About this task NOTE If either the system board or the heat sink is replaced use the thermal grease provided in the kit to ensure that thermal conductivity is achieved The following images indicate the location of the discrete heat sink and...

Page 47: ...the base cover 2 Install the SD card 3 Follow the procedure in After working inside your computer Power button board Removing the power button Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the SD card 3 Remove the base cover 4 Remove the wireless card 5 Remove the I O board 6 Remove the display assembly About this task The following images indicate the locati...

Page 48: ...omputer Installing the power button 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 button and provide a visual representation of the installation procedure 48 Removing and installing components ...

Page 49: ...ure in After working inside your computer Power button with fingerprint reader Removing the power button with optional fingerprint reader Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the SD card 3 Remove the base cover 4 Remove the wireless card 5 Remove the I O board 6 Remove the display assembly About this task The following images indicate the location of...

Page 50: ... rest and keyboard assembly 5 Lift the power button with fingerprint reader along with its cable off the palm rest and keyboard assembly Installing the power button with optional fingerprint reader Prerequisites If you are replacing a component remove the existing component before performing the installation process About this task The following images indicate the location of the power button wit...

Page 51: ...ign the white line on the Flexible Flat cable to the mark on the palm rest and keyboard assembly 4 Close the display hinge 5 Replace the two M2 5x5 screws that secure the display hinge to the palm rest and keyboard assembly Next steps 1 Install the display assembly 2 Install the wireless card 3 Install the I O board 4 Install the base cover 5 Install the SD card 6 Follow the procedure in After wor...

Page 52: ...About this task The following images indicate the location of the display assembly and provide a visual representation of the removal procedure 52 Removing and installing components ...

Page 53: ...he palm rest and keyboard assembly 2 Disconnect the display cable and the speaker cable from the system board for systems with plastic chassis NOTE Disconnect only the display cable from the system board for systems with aluminum chassis Removing and installing components 53 ...

Page 54: ...f 90 degrees and place the system on a flat surface 6 Remove the display assembly from the palm rest and keyboard assembly Installing the display assembly Prerequisites If you are replacing a component remove the existing component before performing the installation process About this task The following images indicate the location of the display assembly and provide a visual representation of the...

Page 55: ...es through the routing guides on the palm rest and keyboard assembly 5 Route the speaker cable through the routing guides on the palm rest and keyboard assembly NOTE Ensure to route the speaker cable over the WLAN antenna cables 6 Connect the display cable to the connector on the system board Next steps 1 Install the wireless card 2 Install the base cover 3 Install the SD card 4 Follow the procedu...

Page 56: ... inner edge at the left and right sides of the display assembly 2 Pry open the display bezel from the inner edge at the top side of the display assembly 3 Continue to pry open the outer edge of the bottom side of the display bezel 4 Pry open the display bezel from the inner edge at the bottom side of the display assembly 5 Lift and remove the display bezel from the display assembly Installing the ...

Page 57: ... installation procedure Steps Align the display bezel with the display back cover and antenna assembly and then gently snap the display bezel into place Next steps 1 Install the hinge cap 2 Install the display assembly 3 Install the wireless card 4 Install the base cover 5 Install the SD card 6 Follow the procedure in After working inside your computer Removing and installing components 57 ...

Page 58: ...inside your computer 2 Remove the SD card 3 Remove the base cover 4 Remove the wireless card 5 Remove the display assembly 6 Remove the hinge caps 7 Remove the display bezel 8 Remove the hinges About this task The following images indicate the location of the display panel and provide a visual representation of the removal procedure 58 Removing and installing components ...

Page 59: ...he display back cover using your hands 3 Lift the bottom side of the display panel and slide it downward to release the display brackets from the slots at the top side of the display cover 4 Gently flip the display panel assembly forward peel back the Mylar tape securing the display cable on the rear of the display panel Removing and installing components 59 ...

Page 60: ...rackets from the panel Installing the display panel Prerequisites If you are replacing a component remove the existing component before performing the installation process NOTE This procedure is applicable for systems with a plastic chassis only About this task The following images indicate the location of the display panel and provide a visual representation of the installation procedure 60 Remov...

Page 61: ...lose the latch 3 Adhere the tape to secure the display cable connector latch to the display panel 4 Lift and rotate the display panel and then place the display panel on the display assembly 5 Place the display bezel on the display assembly 6 Align the tabs on the display bezel to the slots on the display assembly Removing and installing components 61 ...

Page 62: ...er working inside your computer Hinge caps Removing the hinge caps Prerequisites NOTE This procedure is applicable for systems with plastic chassis 1 Follow the procedure in Before working inside your computer 2 Remove the SD card 3 Remove the base cover 4 Remove the wireless card 5 Remove the display assembly About this task The following images indicate the location of the hinge caps and provide...

Page 63: ...astic scribe pry the inner side of the right hinge cap and remove it from the right hinge Installing the hinge caps Prerequisites If you are replacing a component remove the existing component before performing the installation procedure NOTE This procedure is applicable for systems with plastic chassis About this task The following images indicate the location of the hinge caps and provide a visu...

Page 64: ...gn the rib inside the right hinge cap to the outer sides 4 Push the right hinge cap down until it clicks in place Next steps 1 Install the display assembly 2 Install the wireless card 3 Install the base cover 4 Install the SD card 5 Follow the procedure in After working inside your computer 64 Removing and installing components ...

Page 65: ...g inside your computer 2 Remove the SD card 3 Remove the base cover 4 Remove the wireless card 5 Remove the display assembly 6 Remove the hinge caps 7 Remove the display bezel About this task The following images indicate the location of the hinge caps and provide a visual representation of the installation procedure Removing and installing components 65 ...

Page 66: ...eplacing a component remove the existing component before performing the installation procedure About this task The following images indicate the location of the hinges and provide a visual representation of the installation procedure Steps 1 Align and place the left hinge on the display assembly 2 Install the three M2 5x3 8 screws to secure the hinge to the display panel and back cover 3 Align an...

Page 67: ...a plastic chassis only 1 Follow the procedure in Before working inside your computer 2 Remove the SD card 3 Remove the base cover 4 Remove the wireless card 5 Remove the display assembly 6 Remove the display hinge caps 7 Remove the display bezel 8 Remove the display hinges 9 Remove the display panel About this task The following images indicate the location of the camera module and provide a visua...

Page 68: ...y hinges 3 Install the display bezel 4 Install the display hinge caps 5 Install the display assembly 6 Install the wireless card 7 Install the base cover 8 Install the SD card 9 Follow the procedure in After working inside your computer eDP cable Removing the eDP cable Prerequisites NOTE The eDP cable removal procedure is applicable only for systems with plastic chassis 1 Follow the procedure in B...

Page 69: ...er Installing the eDP cable About this task NOTE The eDP cable installation procedure is applicable only for systems with plastic chassis The following image indicates the location of the eDP cable and provides a visual representation of the installation procedure Removing and installing components 69 ...

Page 70: ...s 1 Install the display panel 2 Install the display hinges 3 Install the display bezel 4 Install the display hinge caps 5 Install the display assembly 6 Install the wireless card 7 Install the base cover 8 Install the SD card 9 Follow the procedure in After working inside your computer 70 Removing and installing components ...

Page 71: ...bezel 8 Remove the hinges 9 Remove the display panel 10 Remove the camera module 11 Remove the eDP cable NOTE The display cover and antenna assembly cannot be further disassembled If the WLAN antennas are malfunctioning and needs replacement replace the entire display cover and antenna assembly About this task The following image indicates the location of the display cover and antenna assembly and...

Page 72: ... 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 latch and disconnect the hard drive cable from the connector on the system board 2 Remove the three M2x2 screws that secure the touchpad bracket to the palm rest and keyboard assembly 3 Lift the touchpad bracket off the touchpad 72 Removing and i...

Page 73: ...ess About this task The following images indicate the location of the touchpad and provide a visual representation of the installation procedure Steps 1 Place the touchpad into its slot on the palm rest and keyboard assembly 2 Align the screw holes on the touchpad to the screw holes on the palm rest and keyboard assembly 3 Replace the two M2x2 screws that secure the touchpad to the palm rest and k...

Page 74: ...r computer System board Removing the system board Prerequisites 1 Follow the procedure in Before working inside your computer 2 Remove the SD card 3 Remove the base cover 4 Remove the 3 cell battery or 4 cell battery whichever applicable 5 Remove the M 2 2230 solid state drive or M 2 2280 solid state drive whichever applicable 6 Remove the memory modules 7 Remove the wireless card 8 Remove the fan...

Page 75: ...d state drive connector The following images indicate the location of the system board and provide a visual representation of the removal procedure Steps 1 Remove the two M2 5x5 screws from the right hinge 2 Pry open the right display hinge at an angle of 90 degrees 3 Disconnect the following cables from the system board a I O board Flexible Flat cable b Speaker cable Removing and installing compo...

Page 76: ...lly lift the system board away from the chassis Installing the system board Prerequisites If you are replacing a component remove the existing component before performing the installation process About this task The following image indicates the connectors on your system board 1 Fan connector 2 I O board FFC connector 3 eDP connector 4 DC in port connector 5 Memory modules 6 Keyboard FFC connector...

Page 77: ...ce the four M2x3 5 screws that secure the system board to the palm rest assembly 5 Connect the following cables to the system board a I O board Flexible Flat cable b Speaker cable c Hard drive Flexible Flat cable for systems with 2 5 inch hard drive d Touchpad Flexible Flat cable e Keyboard backlight Flexible Printed cable for systems with backlit keyboard f Keyboard Flexible Printed cable g Power...

Page 78: ...0 solid state drive whichever applicable 7 Install the 3 cell battery or 4 cell battery whichever applicable 8 Install the base cover 9 Install the SD card 10 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 SD card 3 Remove the base cover 4 Remove t...

Page 79: ...ss About this task The following images indicate the location of the power adapter port and provide a visual representation of the installation procedure Steps 1 Using the alignment post place the power adapter port into its slot on the palm rest and keyboard assembly 2 Connect the power adapter port cable to the connector on the system board 3 Fold the right hinge down and install the two M2 5x5 ...

Page 80: ...s 9 Remove the fan 10 Remove the heat sink 11 Remove the I O board 12 Remove the hard drive assembly 13 Remove the touchpad 14 Remove the display assembly 15 Remove the power adapter port 16 Remove the power button 17 Remove the system board NOTE The system board can be removed along with the heat sink About this task NOTE For systems with a plastic chassis both the left and right RF metal bracket...

Page 81: ...ure Steps Place the palm rest and keyboard assembly on a flat and clean surface and perform the post requisites to install the palm rest and keyboard assembly Next steps 1 Install the system board 2 Install the power button 3 Install the power adapter port 4 Install the display assembly 5 Install the touchpad 6 Install the hard drive assembly 7 Install the I O board 8 Install the heat sink 9 Insta...

Page 82: ...ll the 3 cell battery or 4 cell battery whichever applicable 15 Install the base cover 16 Install the SD card 17 Follow the procedure in After working inside your computer 82 Removing and installing components ...

Page 83: ...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 83 ...

Page 84: ...ing 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 About this task Turn on or restart your computer and press F2 immediately Navigation keys NOTE For most of the System Setup options changes that you make are recorded but do not take effect unti...

Page 85: ...ys the current date in mm dd yyyy format BIOS Version Displays the BIOS version Product Name Displays the model number of your computer Service Tag Displays the service tag of your computer Asset Tag Displays the asset tag of your computer CPU Type Displays the processor type CPU Speed Displays the processor speed CPU ID Displays the processor identification code CPU Cache L1 Cache Displays the pr...

Page 86: ...that are not supported by your computer Default Enabled Function Key Behavior Allows you to set function key or multimedia key as the default function key behavior Default Multimedia key Keyboard Illumination Selects the operating mode of the keyboard illumination feature Default Dim Keyboard Backlight with AC Selects the timeout value for the keyboard backlight when an AC adapter is plugged into ...

Page 87: ...urity menu Security Admin Password Status Displays if the administrator password is clear or set Default Not Set System Password Status Displays if the system password is clear or set Default Not Set Asset Tag Set your system s Asset Tag Admin Password Allows you to set the administrator password The administrator password controls access to the system setup utility System Password Allows you to s...

Page 88: ...t options Table 8 System setup options Exit menu Exit Exit Saving Changes Allows you to exit system setup and save your changes Save Change Without Exit Allows you to save your changes without exiting the BIOS setup Exit Discarding Changes Allows you to exit the BIOS setup without saving the changes Load Optimal Defaults Allows you to restore default values for all system setup options Discard Cha...

Page 89: ...00131486 at www dell com support System and setup password Table 9 System and setup password Password type Description System password Password that you must enter to log in to your system Setup password Password that you must enter to access and make changes to the BIOS settings of your computer You can create a system password and a setup password to secure your computer CAUTION The password fea...

Page 90: ... The System Security screen is displayed 2 In the System Security screen verify that Password Status is Unlocked 3 Select System Password update or delete the existing system password and press Enter or Tab 4 Select Setup Password update or delete the existing setup password and press Enter or Tab NOTE If you change the System and or Setup password reenter the new password when prompted If you del...

Page 91: ...the battery Do not bend the battery Do not use tools of any type to pry on or against the battery If a battery gets stuck in a device as a result of swelling do not try to free it as puncturing bending or crushing a battery can be dangerous Do not attempt to reassemble a damaged or swollen battery into a laptop Swollen batteries that are covered under warranty should be returned to Dell in an appr...

Page 92: ...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 93: ... notice screen abnormalities 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...

Page 94: ...7 LCD failure SBIOS message Replace the LCD module 2 8 LCD failure EC detection of power rail failure Replace the system board 3 1 CMOS battery failure Reset the main battery connection If problem persists replace the main battery 3 2 PCI or Video card chip failure Replace the system board 3 3 BIOS Recovery image not found Flash latest BIOS version If problem persists replace the system board 3 4 ...

Page 95: ... to boot into their primary operating system due to software or hardware failures For more information about the Dell SupportAssist OS Recovery see Dell SupportAssist OS Recovery User s Guide at www dell com serviceabilitytools Click SupportAssist and then click SupportAssist OS Recovery Real Time Clock RTC Reset The Real Time Clock RTC reset function allows you or the service technician to recove...

Page 96: ...or replacing any components in your computer Draining residual flea power also known as a performing a hard reset is also a common troubleshooting step if your computer does not power on or boot into the operating system To drain residual flea power perform a hard reset Steps 1 Turn off your computer 2 Disconnect the power adapter from your computer 3 Remove the base cover 4 Remove the battery 5 P...

Page 97: ... Service Tag or Express Service Code at www dell com support For more information on how to find the Service Tag for your computer see Locate the Service Tag on your computer Dell knowledge base articles for a variety of computer concerns 1 Go to www dell com support 2 On the menu bar at the top of the Support page select Support Knowledge Base 3 In the Search field on the Knowledge Base page type...

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