Clearing Forgotten Passwords
WARNING:
that shipped with your computer and follow the steps in "" on page 9. For
additional safety best practices information, see the Regulatory Compliance
Homepage at dell.com/regulatory_compliance.
WARNING:
clear the CMOS setting.
1 Remove the stand. See "Removing the Stand" on page 17.
2 Remove the back cover. See "Removing the Back Cover" on page 21.
3 Remove the VESA-mount bracket.
See "Removing the VESA-Mount Bracket" on page 41.
4 Remove the system-board shield.
See "Removing the System-Board Shield" on page 47.
5 Locate the 3-pin password reset jumper (E49) on the system board.
See "System Board Components" on page 14.
6 Remove the 2-pin jumper plug from pins 2 and 3 and fix it on pins 1 and 2.
7 Wait for approximately five seconds to clear the password setting.
8 Remove the 2-pin jumper plug from pins 1 and 2 and replace it
on pins 2 and 3.
9 Replace the system-board shield.
See "Replacing the System-Board Shield" on page 49.
10 Replace the VESA-mount bracket.
See "Replacing the VESA-Mount Bracket" on page 42.
134
System Setup
Before working inside your computer, read the safety information
The computer must be disconnected from the electrical outlet to