Technical data

Troubleshooting
4-24
Message Description
Invalid NVRAM media
type
Problem with NVRAM access.
Keyboard controller
error
The keyboard controller failed test. You
may have to replace keyboard or controller.
Keyboard error Keyboard not working.
Keyboard error nn BIOS discovered a stuck key and displays
the scan code for the stuck key.
Keyboard locked
Unlock key switch
Unlock the system to proceed.
Monitor type does not
match CMOS
Run SETUP Monitor type not correctly
identified in Setup
Operating system not
found
Operating system cannot be located on
either drive A: or drive C:. Enter Setup and
see if fixed disk and drive A: are properly
identified.
Parity Check 1 nnnn
Parity error found in
the system bus
BIOS attempts to locate the address but
failed and display it on the screen.
Parity Check 2 nnnn
Parity error found in
the I/O bus
BIOS attempts to locate the address but
failed and display it on the screen.
Press <F1> to
resume, <F2> to
Setup
Displayed after any recoverable error
message: Press <F1> to start the boot
process or <F2> to enter Setup and
change any settings. <F2> Press <F2> to
enter SETUP Optional message displayed
during POST.
continued