Dell M4040/14-N4050 owner manual Display Assembly

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Display

WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.

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 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 13, before working inside the computer.

Display Assembly

Removing the Display Assembly

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

2Remove the battery. See "Removing the Battery" on page 13.

3Follow the instructions from step 3 to step 8 in "Removing the Palm-Rest Assembly" on page 25.

4Remove the optical drive. See "Removing the Optical Drive" on page 23.

5Remove the USB board. See "Removing the USB Board" on page 47.

6Remove the hinge cover. See "Removing the Hinge Cover" on page 55.

7Disconnect the display cable from the connector on the system board.

8Disconnect the Mini-Card antenna cables from the connectors on the Mini-Card.

9Make a note of the display cable and Mini-Card antenna cables routing and remove the cables from the routing guides.

Display

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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 Removing the Battery BatteryReplacing the Battery Removing the Keyboard KeyboardPlastic scribe Tabs Keyboard Replacing the Keyboard Keyboard Removing the Memory Modules Memory ModulesReplacing the Memory Modules Click Start → Control Panel→ System and Security→ System Memory Removing the Optical Drive Optical DriveReplacing the Optical Drive Removing the Palm-Rest Assembly 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 Removing the Power Button Board Power Button BoardReplacing the Power Button Board Removing the Hard Drive Hard DriveHard-drive assembly Replacing the Hard Drive Hard Drive Removing the Mini-Card Wireless Mini-CardReplacing the Mini-Card Wireless Mini-Card Wireless Mini-Card Removing the Audio Board Audio BoardReplacing the Audio Board Removing the Coin-Cell Battery Coin-Cell BatteryBattery socket Coin-cell battery Coin-cell battery cable Replacing the Coin-Cell Battery Coin-Cell Battery Removing the USB Board USB BoardReplacing the USB Board Removing the Thermal Cooling Assembly Thermal Cooling AssemblyReplacing the Thermal Cooling Assembly Removing the Processor Module Processor Module For Inspiron 14-N4050 OnlyReplacing the Processor Module Processor Module For Inspiron 14-N4050 Only Processor Module For Inspiron 14-N4050 Only Removing the Hinge Cover Hinge CoverHinge Cover Replacing the Hinge Cover Hinge Cover Display Display AssemblyDisplay cable Mini-Card Mini-Card antenna cables Replacing the Display Assembly Removing the Display Bezel Display BezelReplacing the Display Bezel Display PanelDisplay cable Display cover Display panel Display-panel brackets Replacing the Display Panel Display Display Removing the Camera Module Camera ModuleReplacing the Camera Module Camera Module Camera Module Removing the System Board System BoardDisplay cable AC-adapter cable Speakers cable Replacing the System Board Entering the Service Tag in the Bios Click Enter a Tag Flashing the BiosFlashing the Bios