HP xw4550 Service And Technical Reference Manual page 140

Table 5-18 POST error messages (continued)
Screen message
1790—Disk 0 Error
1791—Disk 1 Error
1792—Secondary Disk
Controller Failure
1793—Secondary Controller
or Disk Failure
1801—Microcode Patch Error
1802—Processor Not
Supported
1803-BIOS Update Needed for
Processor
1998—Master Boot Record
has been lost
Invalid Electronic Serial
Number
132 Chapter 5 System diagnostics and troubleshooting
Probable cause
The drive is not installed correctly or
has failed.
The drive is not installed correctly or
has failed.
Hard drive circuitry error.
Hard drive circuitry error.
Processor not supported by ROM
BIOS.
The system board does not support the
processor.
This BIOS revision does not support
the installed processor.
The previously saved copy of the MBR
has been corrupted.
Electronic serial number has become
corrupted.
Recommended action
1. Be sure that any jumpers are set correctly and that
power and drive cables are connected, both to the
drive and the system board.
2. Verify that the cables are the correct cables for
your computer model. If this message persists,
you may need service for your workstation.
1. Be sure that any jumpers are set correctly and that
power and drive cables are connected, both to the
drive and the system board.
2. Verify that the cables are the correct cables for
your computer model. If this message persists,
you may need service for your workstation
1. Run Computer Setup (F10 Setup).
2. Clear CMOS.
3. Verify cable seating/jumper settings.
4. Run hard drive diagnostics.
5. Disconnect additional drives.
6. Run the Drive Protection System test if available.
7. Replace the hard drive.
1. Run the Computer Setup (F10) Utility.
2. Clear CMOS.
3. Verify cable seating/jumper settings.
4. Run hard drive diagnostics.
5. Disconnect additional drives.
6. Run the Drive Protection System test if available.
7. Replace the hard drive.
Upgrade BIOS to proper version.
Replace the processor with a compatible one.
Install the latest BIOS downloaded from
http://www.hp.com/support/workstation_swdrivers.
Run the Computer Setup (F10) Utility and save the
MBR of the current bootable disk.
Run the Computer Setup (F10) Utility. If Setup already
has data in the field or will not allow the serial number
to be entered, download from
support/workstation_swdrivers
SP5572.EXE (SNZERO.EXE).
Run the Computer Setup (F10) Utility and try to enter
serial number under Security, System ID, and save the
changes.
http://www.hp.com/
and run the utility
ENWW