HP Vectra VL800 hp vectra vl800, troubleshooting guide - Page 26

If There is a Serial or Parallel Port Test Error

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2 Use or Configuration Problems If There is a Serial or Parallel Port Test Error If There is a Serial or Parallel Port Test Error NOTE Before removing the cover, always switch off the display and PC. Disconnect the power cord and any accessory cables. When checks have been completed, close the PC and reconnect the power cord and accessory cables. Verify that the PC boots correctly. Symptom... Check that... How... POST displays a port test error. The port is correctly configured in the Setup program. 1 Switch the PC OFF then ON. 2 When the message Press F2 to Enter Setup appears, press the F2 key. 3 Check the port is enabled and the correct setting is selected under Integrated I/O Ports in the Advanced menu. Restore the default settings in the Setup program. 1 When the message Press F2 to Enter Setup appears, press the F2 key. 2 Press the F9 key to restore the default settings. All connected devices are correctly connected and switched on. 1 Plug the cables into the correct connectors on the PC rear panel. 2 Switch on the PC and the external devices. The correct device drivers are installed. Refer to the device documentation. If the PC still has 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. Check that... How... The system board is working. 1 Replace the system board by a known working board from the same model of PC. 2 Close the PC, reconnect the power cord and check that the PC works. 3 If the port works, contact HP Support or your authorized dealer for further troubleshooting information. If the problem persists, contact HP Support or your authorized dealer 26

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2
Use or Configuration Problems
If There is a Serial or Parallel Port Test Error
26
If There is a Serial or Parallel Port Test Error
NOTE
Before removing the cover, always switch off the display and PC.
Disconnect the power cord and any accessory cables. When checks
have been completed, close the PC and reconnect the power cord and
accessory cables. Verify that the PC boots correctly.
Symptom...
Check that...
How...
POST displays a port test error.
The port is correctly configured in the
Setup
program.
1
Switch the PC OFF then ON.
2
When the message
Press F2 to Enter Setup
appears,
press the
F2
key.
3
Check the port is enabled and the correct setting is selected
under
Integrated I/O Ports
in the
Advanced
menu.
Restore the default settings in the
Setup
program.
1
When the message
Press F2 to Enter Setup
appears,
press the
F2
key.
2
Press the
F9
key to restore the default settings.
All connected devices are correctly
connected and switched on.
1
Plug the cables into the correct connectors on the PC rear
panel.
2
Switch on the PC and the external devices.
The correct device drivers are installed.
Refer to the device documentation.
If the PC still has 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.
Check that...
How...
The system board is working.
1
Replace the system board by a known working board from the
same model of PC.
2
Close the PC, reconnect the power cord and check that the PC
works.
3
If the port works, contact HP Support or your authorized
dealer for further troubleshooting information.
If the problem persists, contact HP Support or your authorized dealer