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Clearing And Resetting The Cmos; Using The Cmos Button - HP Xw8400 - Workstation - 4 GB RAM User Manual

Hp xw8400 service and technical reference guide.
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Clearing and Resetting the CMOS

The CMOS of the workstation stores password information and information about the workstation
configuration. This section describes the steps to successfully clear and reset the CMOS.

Using the CMOS Button

1.
Shut down the operating system, and power off the workstation and any external devices.
Disconnect the power cord of the workstation and any external devices from the power outlets.
2.
Disconnect the keyboard, monitor, and any other external devices that are connected to the
workstation.
WARNING!
be sure to disconnect the power cord from the wall outlet and allow the internal system
components to cool before touching.
CAUTION
applied to the system board even when the unit is powered off. Failure to disconnect the
power cord can result in damage to the system
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
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
button does not clear CMOS if the power cord is connected.
For assistance locating the CMOS button and other system board components, see
board components on page
5.
Replace the access panel.
6.
Reconnect any external devices.
7.
Plug in and power on the workstation.
NOTE
date and time will have to be reset.
ENWW
To reduce the risk of personal injury from electrical shock and hot surfaces,
When the workstation is plugged in, the power supply always has voltage
Pushing the CMOS button resets CMOS values to factory defaults and erases
Be sure that the AC power cord is disconnected from the power outlet. The CMOS
56.
The workstation passwords and any special configurations along with the system
Clearing and Resetting the CMOS
System
181

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