Clearing cmos settings – Dell Precision T3400 (Late 2007) User Manual

Page 96

Clearing Passwords and CMOS Settings

6 Connect your keyboard and mouse, then connect your computer and

monitor to electrical outlets and turn them on.

7 After the Microsoft

Windows desktop appears on your computer, turn the

computer off.

NOTE:

Ensure that the computer is off and not in a power management mode.

If you cannot shut down the computer using the operating system, press and
hold the power button for 4 seconds.

8 Disconnect the keyboard and mouse, then disconnect the computer and

monitor from their electrical outlets.

9 Press the power button on the computer to ground the system board.

11 Replace the 2-pin jumper plug onto pins 3 and 4 of the password

connector (RTCRST_PSWD) on the system board.

NOTE:

The password jumper plug must be reinstalled on the password

jumper pins in order to enable the password feature.

NOTICE:

To connect a network cable, first plug the cable into the network wall jack

and then plug it into the computer.

12 Connect your computer and devices to electrical outlets, and then turn

them on.

NOTE:

In System Setup (s

)

, both system and

administrator password options appear as

Not Set. The password feature is

enabled, but a password is not assigned.

Clearing CMOS Settings

CAUTION:

Before you begin any of the procedures in this section, follow the

safety instructions located in the Product Information Guide.

NOTE:

The computer must be disconnected from the electrical outlet to clear

the CMOS setting.