HP EliteDesk 800 G5 Maintenance and Service Guide - Page 85

Attempt the normal Windows Shut Down procedure. If this, Computer does not boot from hard drive.

Page 85 highlights

Computer does not boot from hard drive. 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. Solution 1. Check SATA cable connections. 2. Run the Computer Setup utility and ensure 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 if the front panel Power LED is blinking RED and if any beeps are heard. See POST error messages and diagnostic front panel LEDs and audible codes on page 109 to determine possible causes for the blinking red and beep codes. See the Worldwide Limited Warranty for terms and conditions. Computer seems to be locked up. Cause Program in use has stopped responding to commands. 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. Solving hard drive problems 75

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Computer does not boot from hard drive.
Cause
Solution
The device is attached to a SATA port that has been hidden in
Computer Setup.
1.
Check SATA cable connections.
2.
Run the Computer Setup utility and ensure
Device Available
is selected for the device's SATA port in
Advanced
>
Port
Options
.
Boot order is not correct.
Run the Computer Setup utility and change boot sequence in
Advanced
>
Boot Options
.
Hard drive is damaged.
Observe if the front panel Power LED is blinking RED and if any
beeps are heard. See
POST error messages and diagnostic front
panel LEDs and audible codes
on page
109
to determine possible
causes for the blinking red and beep codes.
See the Worldwide Limited Warranty for terms and conditions.
Computer seems to be locked up.
Cause
Solution
Program in use has stopped responding to commands.
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.
Solving hard drive problems
75