HP Netserver E Server series - Manual (Page 38)

Chapter 5 Troubleshooting
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6. Check that the system board is fully seated in the backplane slot and that
the retaining latch at the top of the system board is fully lowered.
7. Check that the CPU module is fully seated in its socket on the system
board.
8. Check that the voltage regulator module (VRM) is fully seated in its
socket on the system board (see Technical Reference Card, located in the
pouch on the side of the chassis for location of VRM.)
After Installing an Accessory
1. Turn off the monitor, the computer, and any external devices.
2. Unplug all cables from the power outlet.
3. Remove the cover.
4. Check the following:
◊◊ If you have installed an accessory board, check that the board is
firmly seated in its slot and that any switches or jumpers on the
accessory board are properly set. (Refer to the manuals that came with
each board.)
◊◊ Check all internal cabling and connections.
◊◊ If you have changed any switches on the system board, check that they
are properly set.
5. Replace the cover and connect all cables.
6. Turn on the monitor and computer.
7. If the NetServer still does not work:
◊◊ Repeat steps 1, 2, and 3 of this section.
◊◊ Remove all accessories, except the primary boot hard disk drive.
◊◊ Replace the cover and connect all cables.
◊◊ Turn on the monitor and the computer.
◊◊ If the NetServer now works, replace the boards and accessories one at
a time to determine which one is causing the problem.