Dell Studio 1557 - System Board Assembly; Removing the System Board Assembly; Replacing the System Board Assembly

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 System Board Assembly
DellStudio™1557/1558ServiceManual
Removing the System Board Assembly
Replacing the System Board Assembly
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The BIOS chip in the system board contains the Service Tag, which is also visible on a barcode label on the bottom of the computer.
Removing the System Board Assembly
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1. Follow the instructions in Before You Begin.
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2. Remove the palm rest (see Removing the Palm Rest).
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3. Remove the optical drive (see Removing the Optical Drive).
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4. Disconnect the fan cable, AC adapter cable, USB cable, ExpressCard cables, and subwoofer cable from their respective system board connectors.
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5. Remove the six screws that secure the system board to the computer base.
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6. Remove the processor heat sink (see Removing the Processor Heat Sink).
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7. Remove the processor (see Removing the Processor Module).
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8. Remove the processor bracket from the system board.
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9. Remove the Mini-Card from the system board (see Removing the Mini- Card).
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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: 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 the back of the computer).
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 help prevent damage to the system board, remove the main battery (see Before Working Inside Your Computer) before working
inside the computer.
1
fan cable connector
2
screws (6)
3
AC adapter cable connector
4
USB cable connector
5
ExpressCard cables
6
subwoofer cable connector
7
system board
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