HP Vectra VEi 7, Supplementary Manual

Page: 21 / 80

21
1 Troubleshooting Your PC
If There Is a CMOS Test Error
If There Is a CMOS Test Error
Problem Check that... How
POST displays CMOS test
error. CMOS is a chip that
keeps a record of installed
components when the PC is
turned off. Power is correctly
connected to the system
board. 1 Disconnect the power cord.
2 Remove the PC’s cover.
3 Check the power connector is correctly attached
to the system board.
4 Close the PC, reconnect the power cord and
check that the PC boots (starts).
5 You may need to restore the default
configuration settings. Refer to page 23
The internal battery is
working. 1 Set the PC to the correct time (refer to the
operating system manual).
2 Switch off and unplug the PC for an hour.
3 Restart the PC and check the time is correct.
4 If the time is incorrect, replace the PC’s battery
by a new one (refer to page 63).
You may need to update your PC’s Basic Input Output
System (BIOS). Create a bootable floppy to update your PC’s BIOS.
Refer to page 32.
The system board is
working. 1 Disconnect the power cord.
2 Remove the PC’s cover.
3 Replace the system board by a known working
board from the same model of PC (refer to your
PC’s
User’s Guide ).
4
Close the PC, reconnect the power cord and
check that the PC works.
If the problem persists, contact HP Support or your authorized dealer