Dell Inspiron 660s, Owner'S Manual, Page: 88 / 94

84
System Setup
Clearing CMOS Passwords
WARNING:
Before working inside your computer, read the safety information
that shipped with your computer and follow the steps in "Before You Begin" on
page 9. For additional safety best practices information, see the Regulatory
Compliance Homepage at dell.com/regulatory_compliance.
WARNING:
The computer must be disconnected from the electrical outlet to
clear the CMOS setting.
1
Follow the instructions in "Before You Begin" on page 9.
2
Remove the computer cover. See "Removing the Computer Cover" on
page 17.
3
Remove fan shroud. See "Removing the Fan Shroud" on page 19.
4
Remove the front bezel. See "Removing the Front Bezel" on page 33.
5
Remove the drive cage. See "Removing the Drive Cage" on page 37.
6
Locate the 3-pin CMOS reset jumper (CMOS1) on the system board. See
"System Board Components" on page 15.
7
Remove the 2-pin jumper plug from pins 2 and 3 and fix it on pins 1 and 2.
8
Wait for approximately five seconds to clear the CMOS setting.
9
Remove the 2-pin jumper plug from pins 1 and 2 and replace it on pins 2
and 3.
10
Replace the drive cage. See "Replacing the Drive Cage" on page 39.
11
Replace the front bezel. See "Replacing the Front Bezel" on page 35.
12
Replace the fan shroud. See "Replacing the Fan Shroud" on page 20.
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