HP Vectra VEi8 HP Vectra VEi7, Troubleshooting and Upgrade Guide - Page 21

If There Is a CMOS Test Error, Problem, If the problem persists

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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 21

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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