Dell Latitude E4200 - Removing the System Board Assembly

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 System Board Assembly
Dell™Latitude™E4200ServiceManual
Removing the System Board Assembly
Replacing the System Board Assembly
The system board's BIOS chip contains the Service Tag, which is also visible on a barcode label on the bottom of the computer. The replacement kit for the
system board includes media that provides a utility for transferring the Service Tag to the replacement system board.
The system board assembly is made up of three separate boards:
l Right I/O board
l  System board
l Left I/O board
All three boards must be replaced when replacing the system board assembly.
Removing the System Board Assembly
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1. Follow the instructions in Before Working on Your Computer.
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2. Remove the service panel (see Removing the Service Panel).
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3. Remove the WLAN and WWAN cards (see Removing the WLAN/WiMax Card and Removing a WWAN Card).
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4. Remove the memory module (see Removing the Memory Module).
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5. Remove the solid state drive (see Removing the Solid State Drive and Cable Assembly).
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6. Remove the LED cover (see Removing the LED Cover).
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7. Remove the keyboard (see Removing the Keyboard).
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8. Remove the module with Bluetooth
®
wireless technology (see Removing the Card With Bluetooth Wireless Technology).
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9. Remove the display assembly (see Removing the Display Assembly).
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10. Remove the coin-cell battery (see Removing the Coin-Cell Battery).
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11. Remove the palm rest assembly (see Removing the Palm Rest Assembly).
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12. Remove the DC power cable (see Removing the DC Power Cable).
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13. Disconnect the cable to the right I/O board by gently pulling on the connector release.
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14. Remove the two M2 x 3-mm screws from the right I/O board.
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15. Lift the left side of the right I/O board, and pull the board away from the base assembly at an angle.
NOTE: System boards sold to certain government agencies in the United States must comply with the regulations set forth in the Trade Agreements Act
of 1979 (TAA).
NOTE: System boards that comply with the Trade Agreements Act (TAA) of 1979, ship with a BIOS chip on a socketed daughter card that is pre-installed
on the system board. Do not uninstall the daughter card.
CAUTION: 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 on www.dell.com at: www.dell.com/regulatory_compliance.