HP Dc7100 HP Compaq Business Desktop dc7100 Series Service Reference Guide, 3r - Page 251

Solving Hard Drive Problems (Continued) Problem Cause Nonsystem disk/NTLDR missing message. (continued) System is trying to start from a damaged hard drive. System files missing or not properly installed. Hard drive boot 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. Solution 1. Insert a bootable diskette into the diskette drive and restart the computer. 2. Check 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. Replace the MBR image. 3. If the hard drive is still inaccessible and MBR Security is enabled, try restoring the previously saved MBR image by entering Setup and selecting Security > Restore Master Boot Record. 1. Insert a bootable system diskette and restart. 2. Check 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. Replace the MBR image. 3. Install system files for the appropriate operating system if necessary. Run Computer Setup and enable the hard drive entry in the Storage > Boot Order list. If attempting to boot from an IDE hard drive, ensure it is attached as Primary Device 0. If attempting to boot from a SATA hard drive, ensure it is attached to SATA 0. Enter Computer Setup and select Storage > Boot Order and ensure the bootable hard drive's controller is listed immediately under the Hard Drive entry. Service Reference Guide, dc7100 361288-003 D-9