Service manual

Chapter 5 Troubleshooting
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1. ATAPI CD-ROM Drive
2. Removable Device
3. Hard Drive
4. Enter Setup Utility
3. Use the keyboard's arrow keys to select the device you want to boot from.
4. Press the Enter key to complete the selection.
The system continues its startup sequence and boots from the device you selected.
Flexible Disk Drive Problems
Use this topic to help solve the following Flexible Disk Drive Problems.
l There are lost clusters
l There are read/write errors
l The system will not start from a diskette
Ensure the HP NetServer Navigator or another bootable CD-ROM is not installed.
If you can't boot from, write to, or format the flexible disk, do the following:
1. Review the Troubleshooting Checklist and read Boot Device Priority before you continue.
2. Try booting from a good known flexible disk.
3. If you can't format or write to a flexible disk:
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Check to see if the flexible disk is write protected.
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Verify the disk drive is properly configured with the Setup Utility.
4. Verify all internal drive cables are securely attached and functional.
Inspect the cables and reseat each one on both ends.
5. If the cables are securely attached, and the drive still does not work, replace the cables
individually with known good cables.
6. If the problem persists, and/or there is an error code, replace the faulty part (the drive, the
system board, etc.)
7. If the problem persists, check for environmental problems, which can damage disk media and
disk drive heads.
Environmental problems result from:
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Radiated Interference: Sources include communications and radar installations, radio/TV
broadcast transmitters, and hand-held receivers.
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Airborne Contaminants: Sources include dust, smoke, and ashes. Steam from duplication
equipment may result in intermittent disk errors
Keyboard and Mouse Problems
Use this topic to help solve any Keyboard and Mouse problems.
l The keyboard does not work
l A character is not displayed when a key is pressed
Ensure the mouse and the keyboard are connected to the proper connectors on the system.