HP Z400 Maintenance And Service Manual page 192

Table 6-4
Problem
Nonsystem disk or NTLDR missing
message.
Workstation will not start.
180 Chapter 6 Diagnostics and troubleshooting
Hard drive problems (continued)
Cause
System is trying to start from a
nonbootable diskette.
System is trying to start from a
damaged hard drive.
System files missing or not
properly installed.
Hard drive boot disabled in
Computer Setup.
Hard drive is damaged.
Solution
Remove the diskette from the drive.
1. Insert a bootable diskette into the drive and restart
the workstation.
2.
If the hard drive is still inaccessible and MBR Security
is enabled, try restoring the previously saved
MBR image by entering Setup and selecting
Security>Restore Master Boot Record.
1.
Insert a bootable system diskette and restart.
2.
Verify that the hard drive is partitioned and
formatted.
3. Install the system files for the appropriate operating
system, if necessary.
Run the Computer Setup (F10) Utility and enable the hard
drive entry in the Storage>Boot Order list.
Replace the hard drive.
ENWW