beautypg.com

Dell XPS 420 (Late 2007) User Manual

Page 189

background image

Appendix

189

3 Locate the RTCRST_PSWD jumper on the system board (see "System

Board Components" on page 103), then remove the jumper plug (located
on pins three and four) and set the plug aside.

4 Close the computer cover.
5 Connect your keyboard and mouse, then connect your computer and

monitor to electrical outlets and turn them on.

6 After the Microsoft

®

Windows

®

desktop appears on your computer, turn

the computer off:

a

Save and close all open files and exit all open programs.

b

Shut down the operating system:

In Windows Vista,

click Start

, click the arrow in the lower-

right corner of the Start menu as shown below, and then click
Shut Down.

The computer turns off after the operating system shutdown process
is complete.

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.

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

monitor from their electrical outlets.

8 Press the power button on the computer to ground the system board.
9 Open the computer cover (see "Removing the Computer Cover" on

page 101).

NOTICE:

The password jumper plug must be reinstalled on the password jumper

pins in order to enable the password feature.

10 Locate pins three and four of the RTCRST_PSWD jumper on the system

board (see "System Board Components" on page 103), and then reinstall
the jumper plug to enable the password feature.

book.book Page 189 Tuesday, November 27, 2007 10:29 AM