Dell M4040/14-N4050 owner manual Replacing the Power Button Board

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3

1

2

1	tabs (2)	2 power button board
3	screw

Replacing the Power Button Board

1Follow the instructions in "Before You Begin" on page 9.

2Slide the power button board under the tabs on the palm rest and align the screw hole on the power button board with the screw hole on the palm rest.

3Replace the screw that secures the power button board to the palm rest.

4Slide the power-button board cable through the slot on the palm-rest assembly.

5Turn the palm-rest assembly over.

6Follow the instructions from step 3 to step 7 in "Replacing the Palm-Rest Assembly" on page 28.

7Replace the battery. See "Replacing the Battery" on page 14.

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.

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Power Button Board

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Contents Regulatory model P22G Regulatory type P22G001 P22G002 Regulatory model P22G Contents Replacing the Optical Drive Palm-Rest Assembly Thermal Cooling Assembly Removing the Camera Module Replacing the Camera Module Contents Contents Turning Off Your Computer Before You BeginRecommended Tools Before Working Inside Your Computer Before You Begin Before You Begin Battery Removing the BatteryReplacing the Battery Keyboard Removing the KeyboardPlastic scribe Tabs Keyboard Replacing the Keyboard Keyboard Memory Modules Removing the Memory ModulesReplacing the Memory Modules Click Start → Control Panel→ System and Security→ System Memory Optical Drive Removing the Optical DriveReplacing the Optical Drive Palm-Rest Assembly Removing the Palm-Rest AssemblyPalm-Rest Assembly Power-button board cable Touch-pad cable Replacing the Palm-Rest Assembly Replace the battery. See Replacing the Battery on Palm-Rest Assembly Power Button Board Removing the Power Button BoardReplacing the Power Button Board Hard Drive Removing the Hard DriveHard-drive assembly Replacing the Hard Drive Hard Drive Wireless Mini-Card Removing the Mini-CardReplacing the Mini-Card Wireless Mini-Card Wireless Mini-Card Audio Board Removing the Audio BoardReplacing the Audio Board Coin-Cell Battery Removing the Coin-Cell BatteryBattery socket Coin-cell battery Coin-cell battery cable Replacing the Coin-Cell Battery Coin-Cell Battery USB Board Removing the USB BoardReplacing the USB Board Thermal Cooling Assembly Removing the Thermal Cooling AssemblyReplacing the Thermal Cooling Assembly Processor Module For Inspiron 14-N4050 Only Removing the Processor ModuleReplacing the Processor Module Processor Module For Inspiron 14-N4050 Only Processor Module For Inspiron 14-N4050 Only Hinge Cover Removing the Hinge CoverHinge Cover Replacing the Hinge Cover Hinge Cover Display Assembly DisplayDisplay cable Mini-Card Mini-Card antenna cables Replacing the Display Assembly Display Bezel Removing the Display BezelDisplay Panel Replacing the Display BezelDisplay cable Display cover Display panel Display-panel brackets Replacing the Display Panel Display Display Camera Module Removing the Camera ModuleReplacing the Camera Module Camera Module Camera Module System Board Removing the System BoardDisplay cable AC-adapter cable Speakers cable Replacing the System Board Entering the Service Tag in the Bios Flashing the Bios Click Enter a TagFlashing the Bios