HP Z1 Maintenance And Service Manual page 73

Table 4-2 Hard drive problems (continued)
Problem Cause
Drive not found Improper cable
(identified). connection
Improperly seated hard
drive
The system might not
have automatically
recognized a newly
installed device.
Drive responds slowly
immediately after
power-up.
Nonsystem disk or System is trying to start
NTLDR missing from non-bootable
message. media.
System is trying to start
from a damaged hard
drive.
System files missing or
not properly installed.
Hard drive boot
disabled in Computer
Setup.
Workstation will not Hard drive is damaged.
start.
Solution
On computers with discreet data and power cables, ensure that the
data and power cables are securely connected to the hard drive.
Hard drive
(See the section of this guide for connection details.)
On systems with blind-mate drive connections, check for connector
damage on the drive and in the chassis.
Reseat the hard drive and its carrier in the chassis to ensure a
proper connection. (See the
connection details.)
1. Run Computer Setup (F10) Utility.
2. If the system does not recognize the new device, verify that the
device is listed in the Computer Setup (F10) Utility.
If it is listed, the probable cause is a driver problem. If it is not
listed, the probable cause is a hardware problem.
3. If this drive is newly installed, enter Setup and try adding a
POST delay under Advanced>Power-On.
Run the Computer Setup (F10) utility, and increase the POST Delay
in Advanced>Power-On Options.
Remove the media device.
1. Insert bootable media and restart the computer.
2. If the hard drive is still inaccessible and MBR Security is
enabled, try restoring the previously saved MBR image by
entering the Computer Setup (F10) Utility and selecting
Security > Restore Master Boot Record.
1. Insert bootable media and restart the computer.
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.
Troubleshooting scenarios and solutions
Hard drive
section of this guide for
63