Technical data

Troubleshooting
4-35
DIGITAL PC 3500/5510
Message Description/Solution
Incorrect Drive A type -
run SETUP
Incorrect Drive B type -
run SETUP
Diskette drive A and/or B not correctly identified in the BIOS
Setup utility.
Run the BIOS Setup utility and properly identify diskette drive
A and/or B.
Invalid NVRAM media type
NVRAM access failed.
Run the BIOS Setup utility and restore all settings to original
values.
If the problem persists, replace the main logic board.
Keyboard controller
error
Keyboard error
Keyboard locked - Unlock
key switch
Check the keyboard connection. If the connection is secure,
the keyboard or keyboard controller might have failed. If the
problem persists, replace the main logic board or keyboard.
Monitor type does not
match CMOS - Run SETUP
Run the BIOS Setup utility and set the correct monitor type.
Operating system not
found
The operating system cannot be found on drive A or drive C.
Run the BIOS Setup utility and correctly identify drive A or
drive C.
Correctly install the operating system. Refer to the supplied
operating system documentation.
Press <F1> to resume,
<F2> to Setup
This message appears after any recoverable error message.
Press [F1] to reboot or [F2] to enter the BIOS Setup utility to
make any necessary changes.
Real time clock error
Battery failed BIOS test.
Replace battery and then run the BIOS Setup utility to restore
previous configuration information.
Shadow RAM Failed at
offset:
nnnn
Shadow RAM failed.
Run the BIOS Setup utility and disable failed shadow memory
region.
continued