HP dc7900 - Convertible Minitower PC Troubleshooting Manual page 26

Table 2-4 Solving Hard Drive Problems (continued)
Nonsystem disk/NTLDR missing message.
Cause
The system is trying to start from a diskette that is not bootable. Remove the diskette from the diskette drive.
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.
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's controller 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's "Emulation Type" is set to "None."
Hard drive is damaged.
Computer seems to be locked up.
Cause
Program in use has stopped responding to commands.
20 Chapter 2 Troubleshooting Without Diagnostics
Solution
1. Insert a bootable diskette into the diskette drive and
restart the computer.
2. Check the hard drive format using fdisk: If NTFS
formatting, use a third party reader to evaluate the drive.
If FAT32 formatting, the hard drive cannot be accessed.
1. Insert a bootable diskette into the diskette drive and
restart the computer.
2. Check the hard drive format using Fdisk: If NFTFS
formatting, use a third party reader to evaluate the drive.
If FAT32 formatting, the hard drive cannot be accessed.
3. Install system files for the appropriate operating system.
Run the Computer Setup utility and enable the hard drive entry
in the Storage > Boot Order list.
If attempting to boot from a hard drive, ensure it is attached to
the system board connector labeled P60 SATA 0.
Run the Computer Setup utility and select Storage > Boot
Order and ensure the bootable hard drive's controller is listed
immediately under the Hard Drive entry.
Solution
Run the Computer Setup utility and ensure Device Available
is selected for the device's SATA port in Security > Device
Security.
Run the Computer Setup utility and change boot sequence in
Storage > Boot Order.
Run the Computer Setup utility and change the "Emulation
Type" to "Hard Disk" in the device's details under Storage >
Device Configuration.
Observe if the front panel Power LED is blinking RED and if
any beeps are heard. See Appendix A,
on page 50 to determine possible causes for the blinking red
and beep codes.
See the Worldwide Limited Warranty for terms and conditions.
Solution
Attempt the normal Windows "Shut Down" procedure. If this
fails, press the power button for four or more seconds to turn
POST Error Messages
ENWW