Screen message Probable cause Recommended action
6. Run the Drive Protection System test (if available).
7. Replace the hard drive.
1801—Microcode Patch Error Processor not supported by ROM
BIOS.
Upgrade BIOS to proper version.
1802—Processor Not
Supported
The system board does not support the
processor.
Replace the processor with a compatible one.
1803-BIOS Update Needed for
Processor
This BIOS revision does not support
the installed processor.
Install the latest BIOS downloaded from
http://www.hp.com.
1998—Master Boot Record
has been lost
The previously saved copy of the MBR
is corrupted.
Run the Computer Setup (F10) Utility and save the
MBR of the current bootable disk.
Invalid Electronic Serial
Number
Electronic serial number is corrupted 1. Run the Computer Setup (F10) Utility.
2. If the setup utility already has data in the field, or
it will not allow the serial number to be entered,
see
http://www.hp.com.
3. Download and run the sp5572.exe (snzero.exe)
utility.
4. Run the Computer Setup (F10) Utility again and
try to enter the serial number under
Security>System ID.
5. Ssave the changes.
ECC Multiple Bit Error
Detected in Memory Module
The chipset has detected more than
one bad bit in a 64-bit quadword of the
memory array.
Replace the memory module.
Parity Check 2 Parity RAM failure. Run the Computer Setup (F10) Utility and the
Diagnostic utilities.
Table 5-18 POST error messages (continued)
140 Chapter 5 System diagnostics and troubleshooting ENWW
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