Clearing And Resetting The Cmos; Using Computer Setup To Reset Cmos; Resetting The Cmos Jumper - HP Rp3000 - Point of Sale System Troubleshooting Manual

Clearing and Resetting the CMOS

The computer's configuration memory (CMOS) stores information about the computer's configuration.

Using Computer Setup to Reset CMOS

Using Computer Setup to reset CMOS also clears the power-on and setup passwords. To reset CMOS
through Computer Setup, you must first access the Computer Setup Utilities menu.
When the Computer Setup message appears in the lower-right corner of the screen, press the
Press Enter
NOTE: If you do not press the
off, then on again, to access the utility.
A choice of five headings appears in the Computer Setup Utilities menu: File, Storage, Security,
Power, and Advanced.
To reset CMOS to the factory default settings first set time and date, then use the
Tab key to select File > Default Setup > Restore Factory Settings as Defaults. Then select Apply
Defaults and Exit from the File menu. This resets the soft settings that include boot sequence order
and other factory settings. It will not, however, force hardware rediscovery.
See the Desktop Management Guide for further instructions on reestablishing passwords. For
instructions on Computer Setup, see the Computer Setup (F10) Utility Guide.

Resetting the CMOS Jumper

1. Turn off the computer and any external devices, and disconnect the power cord from the power
outlet. The power must be disconnected from the system to clear CMOS.
2. Disconnect the keyboard, monitor, and any other external equipment connected to the computer.
WARNING!
sure to disconnect the power cord from the wall outlet, and allow the internal system components
to cool before touching.
CAUTION:
the system board even when the unit is turned off. Failure to disconnect the power cord can result
in damage to the system.
Static electricity can damage the electronic components of the computer or optional equipment.
Before beginning these procedures, ensure that you are discharged of static electricity by briefly
touching a grounded metal object. See the Hardware Reference Guide for more information.
3. Remove the computer cover or access panel.
CAUTION:
customized information including passwords, asset numbers, and special settings. It is important
to back up the computer setup configuration before resetting CMOS values in case it is needed
later. Back up is easily done through Computer Setup. See the Computer Setup (F10) Utility
Guide for information on backing up the computer setup configuration.
4. Locate the green two-prong jumper labeled CMOS.
NOTE:
clear if the power cord is connected.
ENWW
to bypass the title screen, if necessary.
F10
To reduce the risk of personal injury from electrical shock and/or hot surfaces, be
When the computer is plugged in, the power supply always has voltage applied to
Clearing CMOS will restore CMOS values to factory defaults and will erase any
Be sure you have disconnected the AC power cord from the wall outlet. CMOS will not
key while the message is displayed, you must turn the computer
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Clearing and Resetting the CMOS
F10 key.
keys or the
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