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
.
1
Remove the
top cover
.
2
Locate the password reset jumper (PASSWORD) on the system board. See
"
System-board components
”.
3
Remove the jumper plug from pins 2 and 3 and fix it on pins 1 and 2.
4
Wait for approximately five seconds to clear the CMOS setting.
5
Remove the jumper plug from pins 1 and 2 and replace it on pins 2 and 3.
1
pin 1
2
pin 2
3
pin 3
4
jumper plug
6
Replace the
top cover
.
Clearing Forgotten Passwords
WARNING: Before working inside your computer, read the safety
information that shipped with your computer and follow the steps in
"
Before You Begin
." For additional safety best practices information,
see the Regulatory Compliance Homepage at dell.com/
regulatory_compliance.
NOTE: The computer must be disconnected from the electrical outlet to
clear the CMOS setting.
1
Remove the
top cover
.
48
