Troubleshooting
2. Test the monitor on another machine to verify the monitor is not faulty.
3. Disconnect the HP server from any console switch box during troubleshooting. Connect a
known good monitor, keyboard, and mouse to the HP server to troubleshoot.
4. Verify that the AC power source is good. If suspect, try another power source.
NOTE:
Verify that fans and hard drives are spinning up. If no fans or drives are spinning up, refer to
previous section on Power Problems.
If there is still no video:
1. Power off the HP server and unplug from the power source and remove the covers.
2. Clear the CMOS configuration as described in the “Clearing the CMOS Configuration”
section of Chapter 3.
3. Plug the HP server into a power source and power on the HP server.
If there is still no video:
1. Power off the HP server and unplug form the power source.
2. Remove all PCI controller cards.
3. Disconnect power and SCSI connections from hard drives.
4. Disconnect IDE and flexible disk drive cables.
5. Take the HP server down to base memory (1 DIMM) and reseat that DIMM.
6. Plug the HP server into a known good power source and power on the HP server.
7. If video returns, reinstall the removed components one at a time back into the HP server.
One of the removed components may have been causing the no video problem.
8. After all the components are reinstalled, reset the HP server’s BIOS.
If the problem persists, contact the HP Customer Support Center for further troubleshooting
assistance before replacing any parts.
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HP ProLiant ML150 Server Operations and Maintenance Guide
HP CONFIDENTIAL
Codename: Stone Soup Part Number: 343329-001 Last Saved On: 8/14/03 10:25 AM