English
65
4 Troubleshooting Your PC
If There Is a CMOS Test Error
If There Is a CMOS Test Error
Problem
Check
How
Power-On-Self-Test
displays CMOS test
error.
Power correctly
connected to the
system board.
•
Disconnect the power cord.
•
Open the PC.
•
Check the power connector is correctly
attached to the system board.
•
Close the PC, reconnect the power cord and
check that the PC boots (starts).
You may need to restore the default
configuration settings. Refer to page 67
If the PC still has a problem
The internal battery is
working.
•
Set the PC to the correct time (refer to the
operating system manual).
•
Switch off and unplug the PC for an hour.
•
Restart the PC and check the time is
correct.
•
If the time is incorrect, replace the PC’s
battery by a new one (refer to chapter 1 or
2).
Check the system
board is working.
•
Disconnect the power cord.
•
Open the PC.
•
Replace the system board by a known good
board from a similar PC.
•
Close the PC, reconnect the power cord and
check that the PC works.
•
If the PC works, contact HP Support or your
authorized dealer for further
troubleshooting information.
If the problem persists, contact your authorized dealer
spid.bk : spid-up4.fb4 Page 65 Tuesday, May 12, 1998 1:11 PM