Computer Will Not Boot From Hard Drive; Computer Seems To Be Locked Up - HP ProDesk 400 G7 SFF Maintenance And Service Manual

Cause
The system is trying to start from the hard drive, but the hard drive
might have been damaged.
System files missing or not properly installed.
Hard drive boot has been disabled in Computer Setup.
Bootable hard drive is not attached as first in a multiple hard drive
configuration.
Bootable hard drive is not listed first in the Boot Order.

Computer will not boot from hard drive

Use this information to troubleshoot the computer.
Cause
The device is attached to a SATA port that has been hidden in
Computer Setup.
Boot order is not correct.
Hard drive is damaged.

Computer seems to be locked up

Use this information to troubleshoot the computer.
Cause
Program in use has stopped responding to commands.
58 Chapter 5 Troubleshooting without diagnostics
Solution
▲ Perform Drive Protection System (DPS) testing in system
ROM.
1. Insert bootable media and restart the computer.
2. Boot to the windows installation media, and select the
recovery option. If only a restore kit is available, then select
the File Backup Program option, and then restore the system.
3. Install system files for the appropriate operating system.
Run the Computer Setup utility, and enable the hard drive entry in
the Advanced > Boot Options list.
If attempting to boot from a hard drive, be sure that it is attached to
the system board dark blue SATA connector.
Run the Computer Setup utility, and select Advanced > Boot
Options, and be sure that the bootable hard drive is listed
immediately under the Hard Drive entry.
Solution
1. Check SATA cable connections.
2. Run the Computer Setup utility, and be sure that Device
Available is selected for the device's SATA port in Advanced >
Port Options.
Run the Computer Setup utility, and change boot sequence in
Advanced > Boot Options.
Observe whether the front panel power light is blinking red and
whether any beeps are heard. See the Worldwide Limited Warranty
for terms and conditions.
Solution
1. Use the task manager to close programs that do not respond.
2. Attempt the normal Windows shut down procedure. If this
fails, press the power button for four or more seconds to turn
off the power. To restart the computer, press the power
button again.
ENWW