HP Z1 Maintenance And Service Manual page 99

Table 4-9 POST error messages (continued)
Screen message
928—Fatal machine check
detected on CPU X
929—Fatal MCA error
942—Memory Training error
1720—SMART Hard Drive
Detects Imminent Failure
1783—Fixed Disk 0/1 locked
1796—SATA Cabling Error
1797—SATA Drivelock is not
supported in RAID mode
1801—Microcode Update
Error
1802—Processor Not
Supported
1803—Processor feature set
is insufficient for current
system settings
1804—A processor feature
and the memory configuration
are incompatible
ERROR: Invalid 1394 GUID
(Invalid electronic serial
number)
ERROR: Invalid electronic
serial number (no number)
ERROR: An unsupported
processor is installed. System
halted
Invalid electronic serial
number
Processor initialization fails
Probable cause
An MCA condition was detected on
the system.
A DIMM or DIMMs did not train
correctly
Hard drive is about to fail. (Some
hard disk drives have a firmware
patch that fixes erroneous error
messages.)
Hard disk drive failure.
Missing or improperly attached
cable.
SATA Drivelock is not supported in
RAID mode.
Unknown or unsupported processor
stepping.
The system board does not support
the processor.
Processor feature set is insufficient
for current system settings. The
UEFI settings do not match the
support provided by the processor
A processor feature is incompatible
with the memory configuration.
No electronic serial number is
stored with the system.
No electronic serial number is
stored with the system
Unsupported processor detected.
Incorrect serial number registered in
the system.
Processor defective.
Recommended action
Contact HP support.
Contact HP Support.
Contact HP Support.
1. Determine if the hard disk drive is giving a
correct error message.
2. Run the Drive Protection System test (if
applicable).
3. Apply firmware patch (if applicable). See
http://www.hp.com/support.
4. Back up contents and replace the hard
disk drive.
Diagnose the hard disk drive, and replace it if
necessary.
Verify that a cable is attached. Reattach the
cable.
Disable RAID mode, or disable SATA drivelock..
The microcode update failed. Check the
processor stepping to ensure it is a supported
stepping. If it is contact, HP Support.
Replace the processor with a compatible one.
Change the UEFI settings or upgrade the
processor.
Restore the previous memory configuration.
To assign a serial number, open Computer
Setup (F10) Utility, and then select Security >
System IDs.
To assign a serial number, open Computer
Select (F10) Utility, and then select Security >
System IDs.
Replace the processor.
To assign a serial number, open Computer
Select (F10) Utility, and then select Security >
System IDs.
Replace the processor.
Diagnostic codes and errors 89