Dell Inspiron 14 (N4120, Early 2011) User Manual
Dell™ inspiron™ n4110 service manual
Table of contents
Document Outline
- Dell™ Inspiron™ N4110 Service Manual
- Notes, Cautions, and Warnings
- Contents
- Before You Begin
- Top Cover
- Battery
- Keyboard
- 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).
- 3 Turn the computer over and open the display as far as possible.
- 4 Slide a plastic scribe between the slots on the keyboard and release the tabs on the palm rest.
- 5 Pry and lift the keyboard to disengage it from the tabs on the palm rest.
- 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.
- Replacing the Keyboard
- 1 Follow the instructions in "Before You Begin" on page 9.
- 2 Slide the keyboard cable into the connector on the system board. Press down on the connector 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.
- 6 Replace the battery (see "Replacing the Battery" on page 16).
- 8
- Removing the Keyboard
- Palm-Rest Assembly
- Removing the Palm-Rest Assembly
- 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 ten screws from the computer base.
- 6 Remove the keyboard (see "Removing the Keyboard" on page 27).
- 7 Remove the five screws on the palm-rest assembly.
- 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.
- 9 Using a plastic scribe, carefully pry out the palm-rest 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).
- Replacing the Palm-Rest Assembly
- 1 Follow the instructions in "Before You Begin" on page 9.
- 2 Replace the power button board (see "Replacing the Power Button Board" on page 42).
- 3 Replace the hot-key board (see "Replacing the Hot-Key Board" on page 38).
- 4 Align the tabs on the palm-rest assembly with the slots on the computer base and gently snap the palm-rest assembly in place.
- 5 Slide the power-button cable, touch-pad cable, and hot-key board cable into the 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 (see "Replacing the Module Cover" on page 18).
- 11 Replace the battery (see "Replacing the Battery" on page 16).
- Hot-Key Board
- Power Button Board
- Removing the Palm-Rest Assembly
- Wireless Mini-Card(s)
- Removing the Mini-Card(s)
- 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 "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.
- 10 If you are removing the WLAN Mini-Card, detach it from the WLAN Mini-Card bracket.
- Replacing the Mini-Card(s)
- 1 Follow the instructions in "Before You Begin" on page 9.
- 2 Remove the new Mini-Card from its packaging.
- 3 If you are replacing the WLAN Mini-Card, attach it to the WLAN Mini-Card bracket.
- 4 Insert the Mini-Card connector at a 45-degree angle into the system-board connector.
- 5 Press the other end of the Mini-Card down into the slot on the system board and replace the screw that secures the Mini-Card to the system board.
- 6 Connect the appropriate antenna cables to the Mini-Card you are installing. The following table provides the antenna cable color scheme for the Mini-Cards supported by your computer.
- 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).
- 9 Follow the instructions 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).
- 12 Install the drivers and utilities for your computer, as required.
- 12
- Removing the Mini-Card(s)
- Thermal Fan
- 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 27).
- 4 Remove the palm-rest assembly (see "Removing the Palm-Rest Assembly" on page 31).
- 5 Disconnect the display cable from the connector on the system board.
- 6 Disconnect the thermal fan cable from the connector on the system board.
- 7 Remove the screw that secures the thermal fan to the computer base.
- 8 Lift the thermal fan off the system board.
- Replacing the Thermal Fan
- 1 Follow the instructions in "Before You Begin" on page 9.
- 2 Place the thermal fan on 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).
- 6 Replace the keyboard (see "Replacing the Keyboard" on page 29).
- 7 Replace the battery (see "Replacing the Battery" on page 16).
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- Removing the Thermal Fan
- Display
- Display Assembly
- Removing the Display Assembly
- 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 two screws from the computer base.
- 6 Remove the keyboard (see "Removing the Keyboard" on page 27).
- 7 Remove the palm-rest 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).
- 11 Remove the four screws that secure the display assembly to the computer base.
- 12 Lift the display assembly off the computer base.
- Replacing the Display Assembly
- 1 Follow the instructions in "Before You Begin" on page 9.
- 2 Place the display assembly in position and replace the four screws that 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.
- 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).
- 9 Replace the two screws at the bottom of the computer.
- 10 Follow the instructions from step 4 to step 5 in "Replacing the Optical Drive" on page 21.
- 11 Replace the module cover (see "Replacing the Module Cover" on page 18).
- 12 Replace the battery (see "Replacing the Battery" on page 16).
- Removing the Display Assembly
- 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 53).
- 4 Using your fingertips, carefully pry up the inside edge of the display bezel.
- 5 Remove the display bezel.
- Replacing the Display Bezel
- Removing the Display Bezel
- Display Panel
- Removing the Display Panel
- 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 the Display Bezel" on page 57).
- 4 Remove the six screws that secure the display panel to the display cover.
- 5 Note the routing of the display cable and Mini-Card(s) cables and remove the cables from the routing guides 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 Bezel" on page 58).
- 5 Replace the display assembly (see "Replacing the Display Assembly" on page 56).
- Removing the Display Panel
- Display Cable
- Removing the Display Cable
- 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 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 disconnect the display cable.
- Replacing the Display Cable
- 1 Follow the instructions in "Before You Begin" on page 9.
- 2 Connect the display cable to the connector on the display panel and secure it with the tape.
- 3 Turn the display panel over and place it on the display cover.
- 4 Replace the display panel (see "Replacing the Display Panel" on page 59).
- 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).
- Removing the Display Cable
- 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 the Display Bezel" on page 57).
- 4 Remove the six screws that secure the display panel to the display cover.
- 5 Turn the display panel over and keep it on a clean surface.
- 6 Press both sides of each hinge cap and lift the hinge caps out of the display hinges.
- Replacing the Hinge Caps
- 1 Follow the instructions in "Before You Begin" on page 9.
- 2 Align the tabs on the hinge caps with the slots on the display panel brackets and snap them into place.
- 3 Turn the display panel over and place it on the display cover.
- 4 Replace the six screws that secure the display panel to 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).
- Removing the Hinge Caps
- Display Panel Brackets
- Removing the Display Panel Brackets
- 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 the Display Bezel" on page 57).
- 4 Remove the hinge caps (see "Removing the Hinge Caps" on page 61).
- 5 Remove the four screws (two on each side) that secure the display panel brackets to the display panel.
- Replacing the 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 Bezel" on page 58).
- 6 Replace the display assembly (see "Replacing the Display Assembly" on page 56).
- Removing the Display Panel Brackets
- Camera Module
- Hinge Cover
- VGA Connector Board
- Display Assembly
- System Board
- 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-1 media card reader.
- 3 Remove the battery (see "Removing the Battery" on page 15).
- 4 Remove the module cover (see "Removing the Module Cover" on page 17).
- 5 Remove the memory module(s) (see "Removing the Memory Module(s)" on page 23).
- 6 Follow the instructions from step 4 to step 5 in "Removing the Optical Drive" on page 19.
- 7 Disconnect the AC-adapter connector cable from the connector on the system board.
- 8 Remove the keyboard (see "Removing the Keyboard" on page 27).
- 9 Remove the palm-rest assembly (see "Removing the Palm-Rest 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.
- 14 Lift the system board assembly to disconnect the connector on the system board from the connector on the I/O board.
- 15 Turn the system board over.
- 16 Remove the coin-cell battery (see "Removing the Coin-Cell 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).
- Replacing the System Board
- 1 Follow the instructions in "Before You Begin" on page 9.
- 2 Replace the processor module (see "Replacing the Processor Module" on page 92).
- 3 Replace the thermal cooling assembly (see "Replacing the Thermal Cooling Assembly" on page 90.
- 4 Follow the instructions from step 5 to step 7 in "Replacing the Hard-Drive Assembly" on page 97.
- 5 Replace the coin-cell battery (see "Replacing the Coin-Cell Battery" on page 88).
- 6 Turn the system board over.
- 7 Align the connectors on the system board with the slots on the computer base and place it in position.
- 8 Gently press the system board to connect the connector on the 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 page 35).
- 14 Replace the keyboard (see "Replacing the Keyboard" on page 29).
- 15 Connect the AC-adapter connector cable to the connector on the system board.
- 16 Follow the instructions from step 4 to step 5 in "Replacing the Optical Drive" on page 21.
- 17 Replace the memory module(s) (see "Replacing the Memory Module(s)" on page 24).
- 18 Replace the module cover (see "Replacing the Module Cover" on page 18).
- 19 Replace the battery (see "Replacing the Battery" on page 16).
- 20 Replace any cards or blanks removed from the 8-in-1 media card reader.
- 21 Turn on the computer.
- 22 Enter the service tag (see "Entering the Service Tag in the BIOS" on page 82).
- Entering the Service Tag in the BIOS
- Removing the System Board
- Speakers
- Coin-Cell Battery
- Removing the Coin-Cell Battery
- 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 Use a plastic scribe and gently pry the coin-cell out of the battery socket on the system board.
- 4 Lift the coin-cell battery out of the system-board socket.
- Replacing the Coin-Cell Battery
- Thermal Cooling Assembly
- Removing the Coin-Cell Battery
- Processor Module
- 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 loosen the ZIF socket, use a small, flat-blade screwdriver and rotate the ZIF-socket cam screw counterclockwise until it comes to the cam stop.
- 5 Lift the processor module from the ZIF socket.
- Replacing the Processor Module
- 1 Follow the instructions in "Before You Begin" on page 9.
- 2 Align the pin-1 corner of the processor module with the pin-1 corner of the ZIF socket, then insert the processor module.
- 3 Tighten the ZIF socket by turning the cam screw clockwise to 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.
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- Removing the Processor Module
- Hard-Drive Assembly
- Removing the Hard-Drive Assembly
- 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 screw that secures the hard-drive assembly to the system board.
- 4 Slide the hard-drive assembly in the direction shown in the 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.
- Replacing the Hard-Drive Assembly
- 1 Follow the instructions in "Before You Begin" on page 9.
- 2 Remove the new hard drive from its packaging.
- 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.
- 8 Follow the instructions from step 6 to step 20 in "Replacing the System Board" on page 81.
- I/O Board
- Removing the Hard-Drive Assembly
- AC-Adapter Connector
- 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 the Display Assembly" on page 53).
- 4 Remove the hinge cover (see "Removing the Hinge Cover" on page 69).
- 5 Remove the VGA connector board (see "Removing the VGA Connector Board" on page 73).
- 6 Note the AC-adapter connector cable routing and remove the cable from the routing guides.
- 7 Remove the screw that secures the AC-adapter connector to the computer base.
- 8 Lift the AC-adapter connector off the computer base.
- Replacing the AC-Adapter Connector
- 1 Follow the instructions in "Before You Begin" on page 9.
- 2 Place the AC-adapter connector on the computer base.
- 3 Replace the screw that secures the AC-adapter connector to the computer base.
- 4 Route the AC-adapter connector cable through the routing guides.
- 5 Replace 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.
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- Removing the AC-Adapter Connector
- Flashing the BIOS
- 1 Turn on the computer.
- 2 Go to support.dell.com/support/downloads.
- 3 Locate the BIOS update file for your computer:
- a Click Enter a Tag.
- b Enter your computer’s Service Tag in the Enter a service tag: field, click Go, and proceed to step 4.
- 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.
- e Click Confirm.
- 4 A list of results appear on the screen. Click BIOS.
- 5 Click Download Now to download the latest BIOS file. The File Download window appears.
- 6 Click Save to save the file on your desktop. The file downloads to your desktop.
- 7 Click Close if the Download Complete window appears. The file icon appears on your desktop and is titled the same as the downloaded BIOS update file.
- 8 Double-click the file icon on the desktop and follow the instructions on the screen.