USING THE CMOS BUTTON 175
Appendix H
CAUTION Static electricity can damage the electronic components of the workstation or optional
equipment. Before beginning these procedures, be sure that you are discharged of static electricity by
briefly touching a grounded metal object.
3 Remove the access panel.
CAUTION Pushing the CMOS button resets CMOS values to factory defaults and erases any customized
information including passwords, asset numbers, and special settings. It is important to back up the
workstation CMOS settings before resetting them in case they are needed later. To back up the CMOS
settings, use Computer Setup and run the Save to Diskette option from the File menu.
4 Locate, press, and hold the CMOS button in for five seconds.
NOTE Be sure that the AC power cord is disconnected from the power outlet. The CMOS button does not
clear CMOS if the power cord is connected.
NOTE For assistance locating the CMOS button and other system board components, refer to “System
Board Components” on page 67.
5 Replace the access panel.
6 Reconnect any external devices.
7 Plug in the workstation power and turn the power back on.
NOTE The workstation passwords and any special configurations along with the system date and time will
have to be reset.
Using Computer Setup to Reset CMOS
To reset CMOS using Computer Setup, access the Computer Setup Utilities menu. When the Computer Setup
message appears in the lower-right corner of the screen, press the F10 key. Press Enter to bypass the title screen,
if necessary.
NOTE If you do not press the F10 key while the message is displayed, the workstation must be turned off,
then on again, to access the utility.
From the Computer Setup menu, select File>Set Defaults and Exit. This restores the soft settings that include
boot sequence order and other factory settings. It does not, however, force hardware rediscovery.
NOTE The workstation passwords and any special configurations along with the system date and time will
have to be reset.
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