System Board Assembly
Dell Studio™ 1557/1558 Service Manual
Removing the System Board Assembly
Replacing the System Board Assembly
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
1.
Follow the instructions in
.
2.
Remove the palm rest (see
3.
).
4.
Disconnect the fan cable, AC adapter cable, USB cable, ExpressCard cables, and subwoofer cable from their respective system board connectors.
5.
Remove the six screws that secure the system board to the computer base.
6.
Remove the processor heat sink (see
Removing the Processor Heat Sink
).
7.
Remove the processor (see
).
8.
Remove the processor bracket from the system board.
9.
Remove the Mini-Card from the system board (see
).
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