HP Vectra VL series 8 Maintenance Manual page 59

Check Internal Items
Rebuild Your PC's
Components
If the PC still does not start properly:
1 Turn off the display, the computer, and all external devices.
2 Unplug all power cords and cables, noting their positions. Disconnect
the PC from any telecommunication network.
3 Remove the cover.
4 Check the following items:
check all internal cables
•
check that the processor speed switches have been set correctly
•
check that the memory modules are correctly installed
•
check that accessory boards are firmly seated in their slots
•
check that any switches and jumpers on the accessory boards are
•
properly set
check that the switches on the system board are properly set
•
5 Replace the cover.
6 Reconnect all cables and power cords.
7 Turn on the display and computer.
If your PC still does not start properly, remove all accessory boards and
other accessories, except the hard disk drive. Start the PC. If the PC
now works, add the boards and accessories one at a time to determine
which one is causing the problem.
3 Troubleshooting Your PC
If Your PC Does Not Start Properly
English 49