HP EliteDesk 800 G4 Maintenance and Service Guide - Page 95

File Backup Program, Boot Options

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Nonsystem disk/NTLDR missing message. Cause Hard drive boot has been disabled in Computer Setup. Bootable hard drive is not attached as first in a multi-hard drive configuration. Bootable hard drive is not listed first in the Boot Order. Solution 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, ensure it is attached to the system board dark blue SATA connector. Run the Computer Setup utility and select Advanced > Boot Options and ensure the bootable hard drive is listed immediately under the Hard Drive entry. Computer will 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 107 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 87

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Nonsystem disk/NTLDR missing message.
Cause
Solution
the
File Backup Program
option, and then restore the
system.
3.
Install system
files
for the appropriate operating system.
Hard drive boot has been disabled in Computer Setup.
Run the Computer Setup utility and enable the hard drive entry in
the
Advanced
>
Boot Options
list.
Bootable hard drive is not attached as
first
in a multi-hard drive
configuration.
If attempting to boot from a hard drive, ensure it is attached to
the system board dark blue SATA connector.
Bootable hard drive is not listed
first
in the Boot Order.
Run the Computer Setup utility and select
Advanced
>
Boot
Options
and ensure the bootable hard drive is listed immediately
under the
Hard Drive
entry.
Computer will 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
107
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
87