Dell PP521, DCDR01 owner manual Clearing Passwords and Cmos Settings

5Replace the computer cover (see "Replacing the Computer Cover" in the Service Manual on the Dell Support website at support.dell.com).

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 off the computer.

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.

11Replace the 2-pin jumper plug onto the pins of the password connector on the system board.

NOTE: The password jumper plug must be reinstalled on the password jumper pins in order to enable the password feature.

12Replace the computer cover.

NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.

13Connect your computer and devices to electrical outlets, and then turn them on.

NOTE: In System Setup (see "System Setup" on page 77), both system and administrator password options appear as Not Set. The password feature is enabled, but a password is not assigned.

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Clearing Passwords and CMOS Settings