Dell 3442 Owner's Manual

Inspiron 143000 SeriesOwner's ManualComputer Model: Inspiron 14–3442Regulatory Model: P53GRegulatory Type: P53G001

WARNING: Disconnect all power sources before opening the computer cover or panels. After you finish working inside the computer, replace all covers, p

After Working Inside Your ComputerCAUTION: Leaving stray or loose screws inside your computer may severely damage your computer.1 Replace all screws

Removing the BatteryWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in

Replacing the BatteryWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in

Removing the Optical DriveWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the ste

4 Remove the screw that secures the optical-drive bracket to the optical-drive assembly and remove the optical-drive bracket.1 optical-drive bezel 2

Replacing the Optical DriveWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the st

Removing the Base CoverWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps

Replacing the Base CoverWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps

Removing the Memory Module(s)WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the

Notes, Cautions, and WarningsNOTE: A NOTE indicates important information that helps you make better use of your computer.CAUTION: A CAUTION indicates

Procedure1 Use your fingertips to carefully spread apart the securing-clips on each end of the memory-module slot until the memory module pops up.2

Replacing the Memory Module(s)WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the

Procedure1 Align the notch on the memory module with the tab on the memory-module slot.2 Slide the memory module firmly into the slot at an angle an

Removing the Wireless CardWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the ste

3 Slide and remove the wireless card out of the wireless-card slot.1 antenna cables (2) 2 wireless card3 screw24

Replacing the Wireless CardWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the st

Removing the KeyboardWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in

3 Slide the keyboard up to release it from the tabs on the palm rest.1 plastic scribe 2 securing clips (5)3 keyboard 4 tabs (5)4 Turn the keyboard o

5 Lift the latch and disconnect the keyboard cable from the system board.1 keyboard 2 keyboard cable3 latch6 Lift the keyboard off the palm rest.28

Replacing the KeyboardWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps i

ContentsBefore Working Inside Your Computer... 9Before You Begin ...

The cables on the keyboard are not folded when you receive a replacement keyboard. Follow these instructions to fold the cables on the replacement key

1 keyboard cable 2 keyboard31

Removing the Hard DriveWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps

3 Using the pull-tab, lift and slide the hard-drive assembly out of the tabs on the computer base.1 screw 2 hard-drive4 Remove the screws that secur

6 Peel off the Mylar sheet from the hard drive.1 hard-drive bracket 2 pull-tab3 screws (2) 4 mylar sheet34

Replacing the Hard DriveWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps

Removing the Palm RestWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps i

Procedure1 Turn the computer over and open the display as far as possible.2 Remove the screws that secure the palm rest to the computer base.1 screw

4 Lift the latches and, using the pull-tabs, disconnect the power-button cable and the touchpad cable from the system board.1 power-button cable 2 to

6 Remove the screws that secure the palm rest to the computer base.1 screws (8) 2 computer base7 Using a plastic scribe, release the tabs on the pal

Removing the Memory Module(s)... 19Prerequisites...

9 Lift the palm rest from the bottom edge and away from the computer base.1 palm rest10 Follow the procedure from step 2 to step 5 in “Removing the

Replacing the Palm RestWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps

Removing the Power-Button BoardWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow th

5 Lift the power-button board along with the cable off the palm rest.1 power-button board 2 tape3 screw 4 power-button cable43

Replacing the Power-Button BoardWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow t

Removing the TouchpadWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in

3 Slide and remove the touchpad out of its slot on the palm rest.1 touchpad 2 screws (2)46

Replacing the TouchpadWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps i

5 Replace the keyboard.6 Replace the battery.48

Removing the I/O BoardWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps i

Removing the Palm Rest... 36Prerequisites...

3 Lift the I/O board away from the computer base.1 system board 2 I/O-board cable3 I/O board50

Replacing the I/O BoardWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps

Removing the SpeakersWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in

3 Lift the speakers, along with the speaker cable, off the computer base.1 speakers (2) 2 speaker cable53

Replacing the SpeakersWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps i

Removing the Coin-Cell BatteryWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the

1 system board 2 battery socket3 coin-cell battery 4 plastic scribe56

Replacing the Coin-Cell BatteryWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow th

Removing the Power-Adapter PortWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow th

3 Lift the power-adapter port, along with its cable, off the computer base.1 power-adapter port cable 2 power-adapter port59

Removing the Speakers... 52Prerequisites...

Replacing the Power-Adapter PortWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow t

Removing the System BoardWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the step

5 Disconnect the power-adapter-port cable and speaker cable from the connector on the system board.1 power-adapter port cable 2 power-adapter port3 d

7 Lift the system board off the computer base.1 system board 2 screws (2)63

Replacing the System BoardWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the ste

Removing the Heat-Sink AssemblyWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow th

4 Lift the heat-sink assembly off the system board.1 fan cable 2 system board3 captive screws (5) 4 heat-sink assembly66

Replacing the Heat-Sink AssemblyWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow t

Removing the Display AssemblyWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the

3 Lift the display assembly off the computer base.1 display assembly 2 screws (4)3 antenna cable 4 computer base69

Removing the Heat-Sink Assembly... 65Prerequisites...

Replacing the Display AssemblyWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the

Removing the Display BezelWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the ste

Procedure1 Using your fingertips, carefully pry up the inside edge of the display bezel.2 Remove the display bezel off the display back-cover.1 disp

Replacing the Display BezelWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the st

Removing the Display HingesWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the st

Procedure1 Remove the screws that secure the display hinges to the display back-cover.2 Lift the display hinges off the display back-cover.1 display

Replacing the Display HingesWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the s

Removing the Display PanelWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the ste

Procedure1 Remove the screws that secure the display panel to the display back-cover.2 Gently lift the display panel and turn it over.1 display pane

4 Disconnect the display cable from the display-panel cable connector.1 display panel 2 display back-cover3 display cable5 Lift the display panel aw

Removing the Display Panel... 77Prerequisites...

Replacing the Display PanelWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the st

Removing the CameraWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in B

Procedure1 Disconnect the camera cable from the camera.2 Lift the camera off the display back-cover.1 camera 2 camera cable82

Replacing the CameraWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in

Flashing the BIOSYou may need to flash (update) the BIOS when an update is available or when you replace the system board. To flash the BIOS:1 Turn o

Before Working Inside Your ComputerCAUTION: To avoid damaging the components and cards, handle them by their edges and avoid touching pins and contact