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Clearing And Resetting The Bios - HP EliteOne 1000 G1 Maintenance & Service Manual

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Clearing and resetting the BIOS

The CMOS button resets BIOS settings to default, but does not clear the passwords or affect any of the other
Security settings. On Intel systems with advanced manageability features, the CMOS button will also partially
unprovision AMT.
1.
Turn off the computer and any external devices, and disconnect the power cord from the power outlet.
2.
Disconnect the keyboard and any other external equipment connected to the computer.
WARNING!
disconnect the power cord from the wall outlet, and allow the internal system components to cool
before touching.
CAUTION:
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 Safety & Regulatory Information guide for more information.
3.
Remove the access panel.
CAUTION:
up the computer CMOS settings before resetting them in case they are needed later. Back up is easily
done through Computer Setup. See
up the CMOS settings.
4.
Locate, press, and hold the CMOS button in for five seconds.
NOTE:
not clear CMOS if the power cord is connected.
NOTE:
board components image at
5.
Replace the access panel.
6.
Reconnect the external devices.
7.
Plug in the computer and turn on power.
NOTE:
configuration changes have occurred. Use Computer Setup to reset any special system setups along with
the date and time.
For instructions on Computer Setup, see
To reduce the risk of personal injury from electrical shock and/or hot surfaces, be sure to
When the computer is plugged in, the power supply always has voltage applied to the
Pushing the CMOS button will reset CMOS values to factory defaults. It is important to back
Make sure you have disconnected the AC power cord from the wall outlet. The CMOS button will
For assistance locating the CMOS button and other system board components, see the system
System board callouts on page
You will receive POST error messages after clearing CMOS and rebooting advising you that
Computer Setup (F10) Utility on page 45
Computer Setup (F10) Utility on page
for information on backing
44.
45.
Clearing and resetting the BIOS
95

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