HP 280 G4 Maintenance And Service Manual page 60

Drive not found (identified).
Cause
Cable could be loose.
The system may not have automatically recognized a newly
installed device.
The device is attached to a SATA port that has been hidden in
Computer Setup.
Drive responds slowly immediately after power-up.
Nonsystem disk/NTLDR missing message.
Cause
The system is trying to start from the hard drive but the hard
drive may have been damaged.
System files missing or not properly installed.
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.
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.
52 Chapter 6 Troubleshooting without diagnostics
Solution
Check cable connections.
See reconfiguration directions in the
problems on page 62 section. If the system still does not
recognize the new device, check to see if the device is listed within
Computer Setup. If it is listed, the probable cause is a driver
problem. If it is not listed, the probable cause is a hardware
problem.
If this is a newly installed drive, run the Computer Setup utility
and try adding a POST delay under Boot Options.
Run the Computer Setup utility and ensure Device Available is
selected for the device's SATA port in Advanced > Port Options.
Run Computer Setup and increase the POST Delay in Boot
Options.
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.
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, select Boot Options, and ensure
the bootable hard drive is listed first in the boot order list.
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 Device Options.
Run the Computer Setup utility and change boot sequence in 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 73
causes for the blinking red and beep codes.
See the Worldwide Limited Warranty for terms and conditions.
Solving hardware installation
to determine possible