Dell T3400 manual Clearing Cmos Settings

6Connect your keyboard and mouse, then connect your computer and monitor to electrical outlets and turn them on.

7After 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.

8Disconnect the keyboard and mouse, then disconnect the computer and monitor from their electrical outlets.

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

10Remove the computer cover (see "Removing the Computer Cover" on page 145).

11Replace 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.

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

NOTE: In System Setup (see "System Setup" on page 81), 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.

1Follow the procedures in "Before You Begin" on page 143.

NOTE: The computer must be disconnected from the electrical outlet to clear the CMOS setting.

2Remove the computer cover (see "Removing the Computer Cover" on page 145).

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Clearing Passwords and CMOS Settings