Clearing CMOS Settings
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.
1Follow the procedures in "Before You Begin" on page 151.
2Remove the computer cover (see "Removing the Computer Cover" on page 153).
3Reset the current CMOS settings:
a Locate the password and CMOS jumpers (RTCRST) on the system board (see "System Board Components" on page 28).
b Remove the password jumper plug from its pins.
c Place the password jumper plug on the RTCRST pins and wait approximately 5 seconds.
d Remove the jumper plug from the RTCRST pins and place it back upon the password pins.
4Replace the computer cover (see "Replacing the Computer Cover" on page 161).
NOTICE: To connect a network cable, first plug the cable into the network port or device and then plug it into the computer.
5Connect your computer and devices to electrical outlets, and turn them on.
Flashing the BIOS
The BIOS may require flashing when an update is available or when replacing the system board.
1Turn on the computer.
2Locate the BIOS update file for your computer at the Dell Support website at support.dell.com.
3Click Download Now to download the file.
4If the Export Compliance Disclaimer window appears, click Yes, I Accept this Agreement.
The File Download window appears.
Clearing Forgotten Passwords
