Dell Vostro A860 - Removing the System Board

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 System Board
Dell™Vostro™A840/A860ServiceManual
Removing the System Board
Replacing the System Board
Removing the System Board
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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 a CD that provides a utility for transferring the Service Tag to the replacement system board.
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1. Follow the instructions in "BeforeYouBegin"onpage9.
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2. Remove any installed media cards from the 3-in-1 media card slot.
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3. Remove any installed memory modules and the WLAN card (see Memory Module and Removing the WLAN Card).
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4. Remove the optical drive (see Optical Drive).
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5. Remove the center control cover (see Removing the Center Control Cover).
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6. Remove the display assembly (see Display).
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7. Remove the keyboard (see "Removing the Keyboard).
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8. Remove the palm rest (see Palm Rest).
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9. Remove the 3-in-1 media card reader.
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10. Disconnect the system fan, speaker, RJ-11, and DC-In cables from the system board connectors.
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11. Remove the system fan (see Removing the System Fan).
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12. Remove the mylar tapes and then remove the four screws from the back of the computer securing the hard disk.
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13. Remove the two remaining screws that secure the system board to the computer base.
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 at www.dell.com/regulatory_compliance.
NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such
as the back panel) on the computer.
NOTICE: Handle components and cards by their edges, and avoid touching pins and contacts.