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.
Prerequisites
1 Remove the left-side cover.
2 Follow the procedure from step 1 to step 4 in "Removing the power-supply
unit".
Procedure
1 Locate the CMOS jumper (P217) on the system board.
For information on the location of the CMOS jumper, see "System-board
components".
2 Disconnect the system-board power cable from the system board.
3 Remove the jumper plug from pins 217 and replace it on pins 216 (P216).
4 Wait for 5 seconds.
5 Remove the jumper plug from pins 216 and replace it on pins 217.
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