Nonsystem disk/NTLDR missing message.Cause SolutionThe system is trying to start from the hard drive but the harddrive may have been damaged.▲ Perform Drive Protection System (DPS) testing in systemROM.System files missing or not properly installed. 1. Insert bootable media and restart the computer.2. Boot to the windows installation media and select therecovery option. If only a restore kit is available, then selectthe File Backup Program option, and then restore thesystem.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 inthe Advanced > Boot Options list.Bootable hard drive is not attached as first in a multi-hard driveconfiguration.If attempting to boot from a hard drive, ensure it is attached tothe 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 > BootOptions and ensure the bootable hard drive is listed immediatelyunder the Hard Drive entry.Computer will not boot from hard drive.Cause SolutionThe device is attached to a SATA port that has been hidden inComputer Setup.1. Check SATA cable connections.2. Run the Computer Setup utility and ensure Device Availableis selected for the device's SATA port in Advanced > PortOptions.Boot order is not correct. Run the Computer Setup utility and change boot sequence inAdvanced > Boot Options.Hard drive is damaged. Observe if the front panel Power LED is blinking RED and if anybeeps are heard. See POST error messages and diagnostic frontpanel LEDs and audible codes on page 97 to determine possiblecauses for the blinking red and beep codes.See the Worldwide Limited Warranty for terms and conditions.Computer seems to be locked up.Cause SolutionProgram in use has stopped responding to commands. 1. Use the task manager to close programs that do notrespond.2. Attempt the normal Windows “Shut Down” procedure. If thisfails, press the power button for four or more seconds toturn off the power. To restart the computer, press the powerbutton again.Solving hard drive problems 77