Service Manual

Clearing CMOS Settings
WARNING: Before working inside your computer, read the safety
information that shipped with your computer and follow the steps in
Before working inside your computer. After working inside your
computer, follow the instructions in After working inside your computer.
For more safety best practices, see the Regulatory Compliance home
page at
www.dell.com/regulatory_compliance.
NOTE: The computer must be disconnected from the electrical outlet to
clear the CMOS setting.
1 Lay the system on the right side.
2 Remove the stability foot.
3 Remove the left and right side-panels. See “Removing the side panels”.
4 Locate the CMOS jumper (CMOS_CLR) on the system board. See “system-
board components”.
5 Remove the jumper plug from pins 2 and 3.
6 Fix it on pins 1 and 2.
7 Wait for approximately ve seconds to clear the CMOS setting.
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