Fujitsu NH570 User Guide

87 - Troubleshooting

BIOS discovered a stuck key and displays the scan code for the stuck key. You may have to replace your 
keyboard but may be able to use an external keyboard until then. Contact your support representative.

Monitor type not correctly identified in Setup. This error probably means your BIOS is corrupted, run the 
setup utility and set all settings to the default conditions. If you still get this error, contact your support 
representative.

Operating system cannot be located on either drive A: or drive C: Enter the setup utility and see if both 
the fixed disk, and drive A: are properly identified and that the boot sequence is set correctly. Unless you 
have changed your installation greatly, the operating system should be on drive C:. If the setup utility is 
correctly set, your hard drive may be corrupted.

Parity error found in the system bus. BIOS attempts to locate the address and display it on the screen. If 
it cannot locate the address, it displays ????. This is a potentially data destroying failure. Contact your 
support representative.

Parity error found in the I/O bus. BIOS attempts to locate the address and display it on the screen. If it 
cannot locate the address, it displays ????. This is a potentially data-destroying failure. Contact 



your support representative.

Displayed after any recoverable error message. Press the [F1] key to continue the boot process or the [F2] 
key to enter Setup and change any settings.