HP Vectra VL800 hp vectra vl800, troubleshooting guide - Page 22

If There is a Keyboard Test Error, You may need to update the Basic Input Output System BIOS.

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Page 22 highlights

2 Use or Configuration Problems If There is a Keyboard Test Error If There is a Keyboard Test Error Symptom... Check that... How... POST displays a keyboard test error. The keyboard and mouse cables are correctly connected. The keyboard is clean and no keys are stuck down. The mouse is clean. The keyboard/mouse are working Plug the cables into the correct connectors on the back of the PC. These connectors are easily identified by their color coded icon. • Check all keys are at the same height, and none are stuck (keyboard). • Clean the mouse ball and sensors. Replace the keyboard/mouse by known working units. If the PC boots but you still have a problem... You may need to update the Basic Input Output System (BIOS). Create a bootable floppy to update the BIOS. Refer to page 31. If the keyboard/mouse still does not work Check that... The system board is working. If not... There is a possible problem with the system board. Contact HP Support or your authorized dealer. If the problem persists, contact HP Support or your authorized dealer 22

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2
Use or Configuration Problems
If There is a Keyboard Test Error
22
If There is a Keyboard Test Error
Symptom...
Check that...
How...
POST displays a keyboard
test error.
The keyboard and mouse cables are
correctly connected.
Plug the cables into the correct connectors on the back of the PC. These
connectors are easily identified by their color coded icon.
The keyboard is clean and no keys are
stuck down.
The mouse is clean.
•
Check all keys are at the same height, and none are stuck
(keyboard).
•
Clean the mouse ball and sensors.
The keyboard/mouse are working
Replace the keyboard/mouse by known working units.
If the PC boots but you still have a problem...
You may need to update the Basic Input Output System (BIOS).
Create a bootable floppy to update the BIOS. Refer to page 31.
If the keyboard/mouse still does not work
Check that...
If not...
The system board is working.
There is a possible problem with the system board. Contact HP Support
or your authorized dealer.
If the problem persists, contact HP Support or your authorized dealer