70 | System Setup
Clearing Forgotten Passwords
WARNING:
B
efore working inside your computer, read the safety information
that shipped with your computer and follow the steps in "Before You Begin" on
page 9. After working inside your computer, follow the instructions in
"After Working Inside Your Computer" on page 11. For more safety best practices
information, see the Regulatory Compliance Homepage at
dell.com/regulatory_compliance.
1 Remove the base cover. See "Removing the Base Cover" on page 15.
2 Disconnect the USB-board cable from the system board. See "Removing the
System Board" on page 40.
3 Replace the base cover. See "Replacing the Base Cover" on page 17.
4 Turn on the computer to clear all BIOS passwords.
5 Remove the base cover. See "Removing the Base Cover" on page 15.
6 Connect the USB-board cable to the system board. See “Replacing the System
Board” on page 42.
7 Replace the base cover. See "Replacing the Base Cover" on page 17.
Clearing CMOS Settings
WARNING:
B
efore working inside your computer, read the safety information
that shipped with your computer and follow the steps in "Before You Begin" on
page 9. After working inside your computer, follow the instructions in
"After Working Inside Your Computer" on page 11. For more safety best practices
information, see the Regulatory Compliance Homepage at
dell.com/regulatory_compliance.
1 Remove the base cover. See "Removing the Base Cover" on page 15.
2 Disconnect the coin-cell battery cable from the system board.
3 Wait for approximately five seconds to clear the CMOS settings.
4 Connect the coin-cell battery cable to the system board.
5 Replace the base cover. See "Replacing the Base Cover" on page 17.
Exit
Save Changes and Reset Allows you to exit system setup and save
your changes
Discard Changes and Reset Allows you to exit system setup and load
previous values for all system setup options
Load Defaults Allows you to load default values for all
system setup options
book.book Page 70 Thursday, August 1, 2013 1:03 PM
