Clearing Cmos Settings - Dell Vostro 220 Service Manual

4 Remove the 2-pin jumper plug from pins 2 and 3 and fix it on pins 1 and 2.
5 Wait for approximately five seconds to clear the password.
6 Remove the 2-pin jumper plug from pins 1 and 2 and replace it on pins 2
7 Follow the procedure in "After Working on Your Computer" on page 45.

Clearing CMOS Settings

1 Follow the procedures in "Before Working on Your Computer" on page 35.
2 Remove the computer cover (see "Removing the Computer Cover" on
3 Reset the current CMOS settings:
4 Follow the procedure in "After Working on Your Computer" on page 45.
5 Reboot your computer.
6 Press <F1> to continue.
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and 3 to enable the password feature.
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
NOTE:
The computer must be disconnected from the electrical outlet to clear
the CMOS setting.
page 47).
Locate the 3-pin CMOS jumper (CLEAR CMOS) on the system
a
board (see "System Board Components" on page 40).
Remove the jumper plug from the CMOS jumper (CLEAR CMOS)
b
pins 2 and 3.
Place the jumper plug on the CMOS jumper (CLEAR CMOS) pins 1
c
and 2 and wait approximately five seconds.
Remove the jumper plug and replace it on the CMOS jumper
d
(CLEAR CMOS) pins 2 and 3.
Your computer will emit five beeps, and then issue a CMOS checksum
error.
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