TAG MIL-BOOK 10 - Manual (Page 95)

Simultaneous display does not work.
Make sure that you turn on the external monitor before turning on
the computer.
Check the Setup item Display Mode on the Main menu of the SCU
program is configured correctly.
Floppy Disk Drive Problems
The Floppy Disk Drive In-use Indicator stays on.
Make sure that the floppy disk is not physically damaged.
Make sure that the floppy disk is inserted correctly.
The disk drive cannot write to a floppy disk.
Make sure that the floppy disk is formatted.
Make sure that the floppy disk is not write-protected.
Make sure that you are writing to the correct drive.
Make sure that there is enough space left on the floppy disk.
Make sure that the floppy disk is not physically damaged.
The disk drive cannot read a floppy disk.
Make sure that the floppy disk is formatted.
Make sure that you are reading the correct drive.
Hardware Device Problems
The computer does not recognize a newly installed device.
The device may not be correctly configured in the SCU program.
Run the SCU program to identify the new type.
Make sure if any device driver needs to be installed. (Refer to the
documentation that came with the device.)
Troubleshooting 8-7