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3. Press the up- and down-arrow keys to move through the list of devices.
4. Press plus (+) or minus (–) to change the boot priority of the device.
Clearing Forgotten Passwords and CMOS Settings
WARNING:
Before you begin any of the procedures in this section, follow the safety instructions that shipped with your computer.
WARNING:
The computer must be disconnected from the electrical outlet to clear the CMOS setting.
CAUTION:
Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™
is not covered by your warranty.
CAUTION:
To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal
surface (such as a connector on your computer).
CAUTION:
Clearing the CMOS settings will also clear the password.
1. Follow the procedures in
Before You
NOTE:
The computer must be disconnected from the electrical outlet to clear the CMOS setting.
2. Remove the system-board shield (see
3. Locate the 3-pin CMOS connector (CMOS1) on the system board (see
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 CMOS setting.
6. Remove the 2-pin jumper plug from pins 1 and 2 and replace it on pins 2 and 3.
7. Replace the system-board shield (see
CAUTION:
Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer. Failure to do so may
result in damage to the computer.
8. Connect your computer and devices to electrical outlets, and turn them on.
Flashing the BIOS
1. Turn on the computer.
Begin.
Removing the System-Board
Shield).
System Board
Replacing the System-Board
Shield).
Components).
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