HP ProDesk 400 G1 Maintenance And Service Manual page 106

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
98 Chapter 8 Password security and resetting CMOS
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 55
Computer Setup (F10) Utility on page
for information on backing
49.
55.