Dell Inspiron 14 N4120 Service Manual Download

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VGA Connector Board

Summary of Contents for Inspiron 14 N4120

Page 1: ...Dell Inspiron N4110 Service Manual Regulatory model P20G Regulatory type P20G001 ...

Page 2: ...formation in this document is subject to change without notice 2011 Dell Inc All rights reserved Trademarks used in this text Dell the DELL logo and Inspiron are trademarks of Dell Inc Microsoft Windows and the Windows start button logo are either trademarks or registered trademarks of Microsoft Corporation in the United States and or other countries Reproduction of these materials in any manner w...

Page 3: ...fore Working Inside Your Computer 10 2 Top Cover 13 Removing the Top Cover 13 Replacing the Top Cover 14 3 Battery 15 Removing the Battery 15 Replacing the Battery 16 4 Module Cover 17 Removing the Module Cover 17 Replacing the Module Cover 18 5 Optical Drive 19 Removing the Optical Drive 19 ...

Page 4: ...eyboard 27 Removing the Keyboard 27 Replacing the Keyboard 29 8 Palm Rest Assembly 31 Removing the Palm Rest Assembly 31 Replacing the Palm Rest Assembly 34 9 Hot Key Board 37 Removing the Hot Key Board 37 Replacing the Hot Key Board 38 10 Power Button Board 41 Removing the Power Button Board 41 Replacing the Power Button Board 42 ...

Page 5: ...mbly 53 Removing the Display Assembly 53 Replacing the Display Assembly 56 Display Bezel 57 Removing the Display Bezel 57 Replacing the Display Bezel 58 Display Panel 58 Removing the Display Panel 58 Replacing the Display Panel 59 Display Cable 60 Removing the Display Cable 60 Replacing the Display Cable 60 Hinge Caps 61 Removing the Hinge Caps 61 Replacing the Hinge Caps 62 Display Brackets 62 ...

Page 6: ...6 15 Hinge Cover 69 Removing the Hinge Cover 69 Replacing the Hinge Cover 71 16 VGA Connector Board 73 Removing the VGA Connector Board 73 Replacing the VGA Connector Board 74 17 System Board 77 Removing the System Board 77 Replacing the System Board 81 Entering the Service Tag in the BIOS 82 18 Speakers 83 Removing the Speakers 83 Replacing the Speakers 84 ...

Page 7: ...ly 89 Replacing the Thermal Cooling Assembly 90 21 Processor Module 91 Removing the Processor Module 91 Replacing the Processor Module 92 22 Hard Drive Assembly 95 Removing the Hard Drive Assembly 95 Replacing the Hard Drive Assembly 97 23 I O Board 99 Removing the I O Board 99 Replacing the I O Board 100 24 AC Adapter Connector 101 Removing the AC Adapter Connector 101 ...

Page 8: ...8 Contents Replacing the AC Adapter Connector 102 25 Flashing the BIOS 105 ...

Page 9: ...mmended Tools The procedures in this document may require the following tools Small flat blade screwdriver Phillips screwdriver Plastic scribe BIOS executable update program available at support dell com Turning Off Your Computer CAUTION To avoid losing data save and close all open files and exit all open programs before you turn off your computer 1 Save and close all open files and exit all open ...

Page 10: ...t covered by your warranty 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 if you are disconnecting this type of cable press in on the locking tabs before you disconnect the cable As you pull connectors apart keep them evenly aligned to avoid bending any connector pins Also before you connect a cable...

Page 11: ...em board remove the main battery see Removing the Battery on page 15 before working inside the computer 7 Remove the battery see Removing the Battery on page 15 8 Turn the computer top side up open the display and press the power button to ground the system board ...

Page 12: ...12 Before You Begin ...

Page 13: ...thorized by Dell is not covered by your warranty CAUTION To avoid electrostatic discharge ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface such as a connector on your computer CAUTION To help prevent damage to the system board remove the main battery see Removing the Battery on page 15 before working inside the computer Removing the Top Cover ...

Page 14: ...e top cover 2 Align the top cover to the display back cover 3 Slide the top cover until it clicks into place Ensure that there are no gaps between the top cover and display back cover CAUTION Before turning on the computer replace all screws and ensure that no stray screws remain inside the computer Failure to do so may result in damage to the computer 1 top cover 2 release button 1 2 ...

Page 15: ...TION To avoid electrostatic discharge ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface such as a connector on your computer CAUTION To avoid damage to the computer use only the battery designed for this particular Dell computer Do not use batteries designed for other Dell computers Removing the Battery 1 Follow the instructions in Before You B...

Page 16: ... Follow the instructions in Before You Begin on page 9 2 Slide the battery into the battery bay until it clicks into place 3 Slide the battery lock latch to the lock position 1 battery release latch 2 battery 3 battery lock latch 1 2 3 ...

Page 17: ...c discharge ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface such as a connector on your computer CAUTION To help prevent damage to the system board remove the main battery see Removing the Battery on page 15 before working inside the computer Removing the Module Cover 1 Follow the instructions in Before You Begin on page 9 2 Remove the batter...

Page 18: ...ly snap the cover in place 3 Tighten the captive screw that secures the module cover to the computer base 4 Replace the battery see Replacing the Battery on page 16 CAUTION Before turning on the computer replace all screws and ensure that no stray screws remain inside the computer Failure to do so may result in damage to the computer 1 captive screw 2 module cover 3 tabs 2 2 3 1 ...

Page 19: ...tic discharge ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface such as a connector on your computer CAUTION To help prevent damage to the system board remove the main battery see Removing the Battery on page 15 before working inside the computer Removing the Optical Drive 1 Follow the instructions in Before You Begin on page 9 2 Remove the bat...

Page 20: ...0 Optical Drive 6 Remove the two screws that secure the optical drive bracket to the optical drive 7 Pull the optical drive bezel to detach it from the optical drive 1 optical drive assembly 2 screw 2 1 ...

Page 21: ...lide the optical drive assembly into the optical drive compartment until it is fully seated 5 Replace the screw that secures the optical drive assembly to the computer base 6 Replace the module cover see Replacing the Module Cover on page 18 7 Replace the battery see Replacing the Battery on page 16 CAUTION Before turning on the computer replace all screws and ensure that no stray screws remain in...

Page 22: ...22 Optical Drive ...

Page 23: ... the computer You can increase your computer memory by installing memory modules on the system board See Specifications in your Setup Guide for information on the type of memory supported by your computer NOTE Memory modules purchased from Dell are covered under your computer warranty Your computer has two user accessible SO DIMM sockets labeled DIMM A and DIMM B that can be accessed from the bott...

Page 24: ...n Before You Begin on page 9 2 Align the notch in the memory module with the tab in the memory module connector 3 Slide the memory module firmly into the slot at a 45 degree angle and press the memory module down until it clicks into place If you do not hear the click remove the memory module and reinstall it NOTE If the memory module is not installed properly the computer may not boot 1 memory mo...

Page 25: ...turning on the computer replace all screws and ensure that no stray screws remain inside the computer Failure to do so may result in damage to the computer 6 Turn on the computer As the computer boots it detects the memory module s and automatically updates the system configuration information To confirm the amount of memory installed in the computer Click Start Control Panel System and Security S...

Page 26: ...26 Memory ...

Page 27: ...CAUTION To help prevent damage to the system board remove the main battery see Removing the Battery on page 15 before working inside the computer Removing the Keyboard 1 Follow the instructions in Before You Begin on page 9 2 Remove the battery see Removing the Battery on page 15 CAUTION The keycaps on the keyboard are fragile easily dislodged and time consuming to replace Be careful when removing...

Page 28: ...y panel 6 Ease the keyboard up until it clears off the palm rest 7 Carefully turn the keyboard over and place it on the palm rest assembly 8 Lift the connector latch that secures the keyboard cable to the connector on the system board and disconnect the keyboard cable 9 Lift the keyboard off the computer 1 plastic scribe 2 keyboard 1 2 ...

Page 29: ...nector latch to secure the keyboard cable to the connector on the system board 3 Slide the tabs on the keyboard into the slots on the palm rest assembly 4 Gently press around the edges of the keyboard and slide it upwards to secure the keyboard under the tabs on the palm rest assembly 5 Close the display and turn the computer over 1 keyboard cable 2 keyboard cable connector 2 1 ...

Page 30: ...30 Keyboard 6 Replace the battery see Replacing the Battery on page 16 ...

Page 31: ...d yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface such as a connector on your computer CAUTION To help prevent damage to the system board remove the main battery see Removing the Battery on page 15 before working inside the computer Removing the Palm Rest Assembly 1 Follow the instructions in Before You Begin on page 9 2 Remove the battery see Remov...

Page 32: ...ssembly CAUTION Pull on the plastic tab on top of the connectors to avoid damaging the connectors 8 Lift the connector latches and pull the pull tabs to disconnect the power button cable touch pad cable and hot key board cable from the connectors on the system board ...

Page 33: ...Palm Rest Assembly 33 1 touch pad cable 2 power button cable 3 hot key board cable 2 3 1 ...

Page 34: ...est assembly along the rear edge and then ease the palm rest assembly from the computer base 10 Lift the palm rest assembly off the computer base 11 Turn the palm rest assembly over 12 Remove the hot key board see Removing the Hot Key Board on page 37 13 Remove the power button board see Removing the Power Button Board on page 41 1 plastic scribe 2 palm rest assembly 1 2 ...

Page 35: ...connectors on the system board and press down on the connector latches to secure them 6 Replace the five screws on the palm rest assembly 7 Replace the keyboard see Replacing the Keyboard on page 29 8 Turn the computer over and replace the ten screws at the bottom of the computer 9 Follow the instructions from step 4 to step 5 in Replacing the Optical Drive on page 21 10 Replace the module cover s...

Page 36: ...36 Palm Rest Assembly ...

Page 37: ...AUTION To help prevent damage to the system board remove the main battery see Removing the Battery on page 15 before working inside the computer Removing the Hot Key Board 1 Follow the instructions in Before You Begin on page 9 2 Remove the battery see Removing the Battery on page 15 3 Remove the module cover see Removing the Module Cover on page 17 4 Follow the instructions from step 4 to step 5 ...

Page 38: ...he palm rest assembly 4 Turn the palm rest assembly over 5 Replace the palm rest assembly see Replacing the Palm Rest Assembly on page 35 6 Replace the keyboard see Replacing the Keyboard on page 29 7 Follow the instructions from step 4 to step 5 in Replacing the Optical Drive on page 21 8 Replace the module cover see Replacing the Module Cover on page 18 9 Replace the battery see Replacing the Ba...

Page 39: ...Hot Key Board 39 CAUTION Before turning on the computer replace all screws and ensure that no stray screws remain inside the computer Failure to do so may result in damage to the computer ...

Page 40: ...40 Hot Key Board ...

Page 41: ...ector on your computer CAUTION To help prevent damage to the system board remove the main battery see Removing the Battery on page 15 before working inside the computer Removing the Power Button Board 1 Follow the instructions in Before You Begin on page 9 2 Remove the battery see Removing the Battery on page 15 3 Remove the module cover see Removing the Module Cover on page 17 4 Follow the instru...

Page 42: ... the screw 3 Route the power button board cable through the slot on the palm rest assembly 4 Turn the palm rest assembly over 5 Replace the palm rest assembly see Replacing the Palm Rest Assembly on page 35 6 Replace the keyboard see Replacing the Keyboard on page 29 7 Follow the instructions from step 4 to step 5 in Replacing the Optical Drive on page 21 1 screw 2 power button board 3 power butto...

Page 43: ...ing the Module Cover on page 18 9 Replace the battery see Removing the Battery on page 15 CAUTION Before turning on the computer replace all screws and ensure that no stray screws remain inside the computer Failure to do so may result in damage to the computer ...

Page 44: ...44 Power Button Board ...

Page 45: ... the system board remove the main battery see Removing the Battery on page 15 before working inside the computer NOTE Dell does not guarantee compatibility or provide support for Mini Cards from sources other than Dell If you ordered a wireless Mini Card with your computer the card is already installed Your computer has one full Mini Card slot and one half Mini Card slot One full Mini Card slot su...

Page 46: ...rd see Removing the Keyboard on page 27 6 Remove the palm rest assembly see Removing the Palm Rest Assembly on page 31 7 Disconnect the two antenna cables from the Mini Card s 8 Remove the screw that secures the Mini Card s to the system board 9 Lift the Mini Card s off the computer base 1 screw 2 antenna cables 2 3 Mini Card 1 3 2 ...

Page 47: ... 9 2 Remove the new Mini Card from its packaging CAUTION Use firm and even pressure to slide the card into place If you use excessive force you may damage the connector CAUTION The connectors are keyed to ensure correct insertion If you feel resistance check the connectors on the card and on the system board and realign the card CAUTION To avoid damage to the Mini Card never place cables under the...

Page 48: ... page 21 10 Replace the module cover see Replacing the Module Cover on page 18 11 Replace the battery see Replacing the Battery on page 16 CAUTION Before turning on the computer replace all screws and ensure that no stray screws remain inside the computer Failure to do so may result in damage to the computer 12 Install the drivers and utilities for your computer as required NOTE If you are install...

Page 49: ...g an unpainted metal surface such as a connector on your computer CAUTION To help prevent damage to the system board remove the main battery see Removing the Battery on page 15 before working inside the computer Removing the Thermal Fan 1 Follow the instructions in Before You Begin on page 9 2 Remove the battery see Removing the Battery on page 15 3 Remove the keyboard see Removing the Keyboard on...

Page 50: ... the computer base and replace the screw 3 Connect the thermal fan cable to the connector on the system board 4 Connect the display cable to the connector on the system board 5 Replace the palm rest assembly see Replacing the Palm Rest Assembly on page 35 1 screw 2 thermal fan 3 thermal fan connector 4 display cable 2 1 3 4 ...

Page 51: ...the Keyboard on page 29 7 Replace the battery see Replacing the Battery on page 16 CAUTION Before turning on the computer replace all screws and ensure that no stray screws remain inside the computer Failure to do so may result in damage to the computer ...

Page 52: ...52 Thermal Fan ...

Page 53: ...harge ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface such as a connector on your computer CAUTION To help prevent damage to the system board remove the main battery see Removing the Battery on page 15 before working inside the computer Display Assembly Removing the Display Assembly 1 Follow the instructions in Before You Begin on page 9 2 Re...

Page 54: ...t assembly see Removing the Palm Rest Assembly on page 31 8 Loosen the display cable grounding screw 9 Disconnect the display cable from the connector on the system board 10 Disconnect the Mini Card antenna cables from the connectors on the Mini Card s see Removing the Mini Card s on page 45 ...

Page 55: ...move the four screws that secure the display assembly to the computer base 12 Lift the display assembly off the computer base 1 display cable grounding screw 2 display cable connector 3 Mini Card antenna cables 4 1 2 3 ...

Page 56: ...secure the display assembly to the computer base 3 Route the display cable and Mini Card antenna cables through the routing guides 4 Connect the display cable to the connector on the system board 5 Connect the Mini Card antenna cables to the Mini Cards s see Replacing the Mini Card s on page 47 6 Tighten the display cable grounding screw 1 display assembly 2 screws 4 2 1 ...

Page 57: ...e 16 CAUTION Before turning on the computer replace all screws and ensure that no stray screws remain inside the computer Failure to do so may result in damage to the computer Display Bezel Removing the Display Bezel 1 Follow the instructions in Before You Begin on page 9 2 Remove the top cover see Removing the Top Cover on page 13 3 Remove the display assembly see Removing the Display Assembly on...

Page 58: ...ay bezel over the display panel and gently snap it into place 3 Replace the display assembly see Replacing the Display Assembly on page 56 4 Replace the top cover see Replacing the Top Cover on page 14 Display Panel Removing the Display Panel 1 Follow the instructions in Before You Begin on page 9 1 display bezel 1 ...

Page 59: ...s on the display cover 6 Lift the display panel off the display cover Replacing the Display Panel 1 Follow the instructions in Before You Begin on page 9 2 Align the screw holes on the display panel with the screw holes on the display cover and replace the six screws 3 Route the display cable through the routing guides on the display cover 4 Replace the display bezel see Replacing the Display Beze...

Page 60: ... in Before You Begin on page 9 2 Remove the display assembly see Removing the Display Assembly on page 53 3 Remove the display bezel see Removing the Display Bezel on page 57 4 Remove the display panel see Removing the Display Panel on page 58 5 Turn the display panel over and place it on a clean surface 6 Lift the tape that secures the display cable to the connector on the display panel and disco...

Page 61: ...ay Assembly on page 56 CAUTION Before turning on the computer replace all screws and ensure that no stray screws remain inside the computer Failure to do so may result in damage to the computer Hinge Caps Removing the Hinge Caps 1 Follow the instructions in Before You Begin on page 9 2 Remove the display assembly see Removing the Display Assembly on page 53 3 Remove the display bezel see Removing ...

Page 62: ...place the display bezel see Replacing the Display Bezel on page 58 6 Replace the display assembly see Replacing the Display Assembly on page 56 CAUTION Before turning on the computer replace all screws and ensure that no stray screws remain inside the computer Failure to do so may result in damage to the computer Display Panel Brackets Removing the Display Panel Brackets 1 Follow the instructions ...

Page 63: ...e Display Panel Brackets 1 Follow the instructions in Before You Begin on page 9 2 Align the screw holes on the display panel vbbrackets with the screw holes on the display panel 3 Replace the four screws two on each side that secure the display panel brackets to the display panel 4 Replace the hinge caps see Replacing the Hinge Caps on page 62 5 Replace the display bezel see Replacing the Display...

Page 64: ...play assembly see Replacing the Display Assembly on page 56 CAUTION Before turning on the computer replace all screws and ensure that no stray screws remain inside the computer Failure to do so may result in damage to the computer ...

Page 65: ...ry see Removing the Battery on page 15 before working inside the computer Removing the Camera Module 1 Follow the instructions in Before You Begin on page 9 2 Remove the battery see Removing the Battery on page 15 3 Remove the module cover see Removing the Module Cover on page 17 4 Follow the instructions from step 4 to step 5 in Removing the Optical Drive on page 19 5 Remove the keyboard see Remo...

Page 66: ...e camera module 3 Adhere the tape that secures the camera cable to the camera module 4 Align the slots on the camera module with the alignment posts on the display cover 5 Replace the display bezel see Replacing the Display Bezel on page 58 6 Replace the display assembly see Replacing the Display Assembly on page 56 1 tape 2 camera cable 3 camera module 4 plastic scribe 4 1 3 2 ...

Page 67: ...structions from step 4 to step 5 in Replacing the Optical Drive on page 21 10 Replace the module cover see Replacing the Module Cover on page 18 11 Replace the battery see Replacing the Battery on page 16 CAUTION Before turning on the computer replace all screws and ensure that no stray screws remain inside the computer Failure to do so may result in damage to the computer ...

Page 68: ...68 Camera Module ...

Page 69: ...d by Dell is not covered by your warranty CAUTION To help prevent damage to the system board remove the main battery see Removing the Battery on page 15 before working inside the computer Removing the Hinge Cover 1 Follow the instructions in Before You Begin on page 9 2 Remove the battery see Removing the Battery on page 15 3 Remove the module cover see Removing the Module Cover on page 17 4 Follo...

Page 70: ...70 Hinge Cover 9 Release the two tabs that secure the hinge cover to the computer base 10 Lift the hinge cover off the computer base 1 tabs 2 1 ...

Page 71: ...e computer 4 Replace the display assembly see Replacing the Display Assembly on page 56 5 Replace the palm rest assembly see Replacing the Palm Rest Assembly on page 35 6 Replace the keyboard see Replacing the Keyboard on page 29 7 Follow the instructions from step 4 to step 5 in Replacing the Optical Drive on page 21 8 Replace the module cover see Replacing the Module Cover on page 18 9 Replace t...

Page 72: ...72 Hinge Cover CAUTION Before turning on the computer replace all screws and ensure that no stray screws remain inside the computer Failure to do so may result in damage to the computer ...

Page 73: ... a connector on your computer CAUTION To help prevent damage to the system board remove the main battery see Removing the Battery on page 15 before working inside the computer Removing the VGA Connector Board 1 Follow the instructions in Before You Begin on page 9 2 Remove the battery see Removing the Battery on page 15 3 Remove the keyboard see Removing the Keyboard on page 27 4 Remove the palm r...

Page 74: ...o the connector on the system board 4 Replace the screw that secures the VGA connector board to the computer base 5 Replace the hinge cover see Replacing the Hinge Cover on page 71 6 Replace the display assembly see Replacing the Display Assembly on page 56 7 Replace the palm rest assembly see Replacing the Palm Rest Assembly on page 35 8 Replace the keyboard see Replacing the Keyboard on page 29 ...

Page 75: ...Replace the battery see Replacing the Battery on page 16 CAUTION Before turning on the computer replace all screws and ensure that no stray screws remain inside the computer Failure to do so may result in damage to the computer ...

Page 76: ...76 VGA Connector Board ...

Page 77: ...ector on your computer CAUTION To help prevent damage to the system board remove the main battery see Removing the Battery on page 15 before working inside the computer CAUTION Handle components and cards by their edges and avoid touching pins and contacts Removing the System Board 1 Follow the instructions in Before You Begin on page 9 2 Press and eject any installed cards or blanks from the 8 in...

Page 78: ...est Assembly on page 31 10 Remove the thermal fan see Removing the Thermal Fan on page 49 11 Loosen the display cable grounding screw 12 Disconnect the display cable and speakers cable from the connectors on the system board 13 Remove the five screws that secure the system board to the computer base 1 AC adapter connector cable 1 ...

Page 79: ...d 79 14 Lift the system board assembly to disconnect the connector on the system board from the connector on the I O board 1 display cable connector 2 display cable grounding screw 3 speakers cable connector 1 2 3 ...

Page 80: ...ell Battery on page 87 17 Follow the instructions from step 3 to step 5 in Removing the Hard Drive Assembly on page 95 18 Remove the thermal cooling assembly see Removing the Thermal Cooling Assembly on page 89 19 Remove the processor module see Removing the Processor Module on page 91 1 system board 1 ...

Page 81: ... system board to the connector on the I O board 9 Replace the five screws that secure the system board to the computer base 10 Connect the display cable and speakers cable to the connectors on the system board 11 Tighten the display cable grounding screw 12 Replace the thermal fan see Replacing the Thermal Fan on page 50 13 Replace the palm rest assembly see Replacing the Palm Rest Assembly on pag...

Page 82: ...u have replaced the system board enter the computer Service Tag in the BIOS of the replacement system board 22 Enter the service tag see Entering the Service Tag in the BIOS on page 82 Entering the Service Tag in the BIOS 1 Ensure that the AC adapter is plugged in and that the main battery is installed properly 2 Turn on the computer 3 Press F2 as soon as you see the Dell logo to enter the system ...

Page 83: ...n your computer CAUTION Only a certified service technician should perform repairs on your computer Damage due to servicing that is not authorized by Dell is not covered by your warranty CAUTION To help prevent damage to the system board remove the main battery see Removing the Battery on page 15 before working inside the computer Removing the Speakers 1 Follow the instructions in Before You Begin...

Page 84: ...tions in Before You Begin on page 9 2 Place the speakers on the computer base and route the speakers cable through the routing guides 3 Follow the instructions from step 7 to step 20 in Replacing the System Board on page 81 1 speakers 2 2 speakers cable 1 2 ...

Page 85: ...Speakers 85 CAUTION Before turning on the computer replace all screws and ensure that no stray screws remain inside the computer Failure to do so may result in damage to the computer ...

Page 86: ...86 Speakers ...

Page 87: ... avoid electrostatic discharge ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface such as a connector on your computer CAUTION To help prevent damage to the system board remove the main battery see Removing the Battery on page 15 before working inside the computer Removing the Coin Cell Battery 1 Follow the instructions in Before You Begin on pa...

Page 88: ...e coin cell battery into the slot and gently press until it snaps in place 4 Follow the instructions from step 6 to step 20 in Replacing the System Board on page 81 CAUTION Before turning on the computer replace all screws and ensure that no stray screws remain inside the computer Failure to do so may result in damage to the computer 1 plastic scribe 2 coin cell battery 2 1 ...

Page 89: ...covered by your warranty CAUTION To avoid electrostatic discharge ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface such as a connector on your computer CAUTION To help prevent damage to the system board remove the main battery see Removing the Battery on page 15 before working inside the computer Removing the Thermal Cooling Assembly 1 Follow ...

Page 90: ...You Begin on page 9 2 Place the thermal cooling assembly on the system board 3 Align the seven captive screws on the thermal cooling assembly with the screw holes on the system board and tighten the screws in sequential order indicated on the thermal cooling assembly 4 Replace the system board see Replacing the System Board on page 81 CAUTION Before turning on the computer replace all screws and e...

Page 91: ...e 15 before working inside the computer CAUTION Handle components and cards by their edges and avoid touching pins and contacts Removing the Processor Module 1 Follow the instructions in Before You Begin on page 9 2 Follow the instructions from step 2 to step 15 in Removing the System Board on page 77 3 Remove the thermal cooling assembly see Removing the Thermal Cooling Assembly on page 89 4 To l...

Page 92: ...trate proper installation 2 Align the pin 1 corner of the processor module with the pin 1 corner of the ZIF socket then insert the processor module NOTE The pin 1 corner of the processor module has a triangle that aligns with the triangle on the pin 1 corner of the ZIF socket When the processor module is properly seated all four corners are aligned at the same height If one or more corners of the ...

Page 93: ...o secure the processor module to the system board 4 Replace the thermal cooling assembly see Replacing the Thermal Cooling Assembly on page 90 5 Follow the instructions from step 6 to step 20 in Replacing the System Board on page 81 CAUTION Before turning on the computer replace all screws and ensure that no stray screws remain inside the computer Failure to do so may result in damage to the compu...

Page 94: ...94 Processor Module ...

Page 95: ...r CAUTION To help prevent damage to the system board remove the main battery see Removing the Battery on page 15 before working inside the computer CAUTION To prevent data loss turn off your computer see Turning Off Your Computer on page 9 before removing the hard drive assembly Do not remove the hard drive while the computer is On or in Sleep state CAUTION Hard drives are extremely fragile Exerci...

Page 96: ...illustration to disconnect it from the connector on the system board 5 Lift the hard drive assembly off the system board 6 Remove the four screws that secure the hard drive bracket to the hard drive 7 Lift the hard drive away from the hard drive bracket 1 hard drive assembly 2 screw 2 1 ...

Page 97: ...ing the hard drive 3 Place the hard drive in the hard drive bracket 4 Replace the four screws that secure the hard drive bracket to the hard drive 5 Place the hard drive assembly on the system board 6 Slide the hard drive assembly to connect it to the connector on the system board 7 Replace the screw that secures the hard drive assembly to the system board 1 screws 4 2 hard drive bracket 3 hard dr...

Page 98: ...uctions from step 6 to step 20 in Replacing the System Board on page 81 CAUTION Before turning on the computer replace all screws and ensure that no stray screws remain inside the computer Failure to do so may result in damage to the computer ...

Page 99: ... periodically touching an unpainted metal surface such as a connector on your computer CAUTION To help prevent damage to the system board remove the main battery see Removing the Battery on page 15 before working inside the computer Removing the I O Board 1 Follow the instructions in Before You Begin on page 9 2 Follow the instructions from step 2 to step 14 in Removing the System Board on page 77...

Page 100: ...ee Replacing the Hinge Cover on page 71 5 Replace the display assembly see Replacing the Display Assembly on page 56 6 Replace the Mini Card s see Replacing the Mini Card s on page 47 7 Follow the instructions from step 7 to step 20 in Replacing the System Board on page 81 CAUTION Before turning on the computer replace all screws and ensure that no stray screws remain inside the computer Failure t...

Page 101: ...s a connector on your computer CAUTION To help prevent damage to the system board remove the main battery see Removing the Battery on page 15 before working inside the computer Removing the AC Adapter Connector 1 Follow the instructions in Before You Begin on page 9 2 Follow the instructions from step 2 to step 14 in Removing the System Board on page 77 3 Remove the display assembly see Removing t...

Page 102: ...ace the VGA connector board see Replacing the VGA Connector Board on page 74 6 Replace the hinge cover see Replacing the Hinge Cover on page 71 7 Replace the display assembly see Replacing the Display Assembly on page 56 8 Follow the instructions from step 7 to step 20 in Replacing the System Board on page 81 CAUTION Before turning on the computer replace all screws and ensure that no stray screws...

Page 103: ...AC Adapter Connector 103 ...

Page 104: ...104 AC Adapter Connector ...

Page 105: ...puter s Service Tag a Click Select Model b Select the type of product in the Select Your Product Family list c Select the product brand in the Select Your Product Line list d Select the product model number in the Select Your Product Model list NOTE If you have selected a different model and want to start over again click Start Over on the top right of the menu e Click Confirm 4 A list of results ...

Page 106: ...106 Flashing the BIOS 8 Double click the file icon on the desktop and follow the instructions on the screen ...

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Dell Inspiron 14 N4120, Service Manual

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