User Manual Part 4

Troubleshooting and tips
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No mouse pointer displayed on the screen

Shut down the operating system properly.

Switch the PC off.

Check that the mouse cable is properly connected to the system unit.
If you use an adapter or extension lead with the mouse cable, check the connections.

Make sure that only one mouse is connected.

Switch the PC on.

The mouse controller must be enabled, if you use a PS/2 mouse. Check in the
BIOS Setup
that
the mouse controller is enabled.

Check that the mouse driver is properly installed and is present when the application program
is started. Detailed information can be found in the User Guide of the mouse or application
program.
The floppy disk cannot be read or written

Check that the write protection of the floppy disk or the floppy disk drive is activated (refer also
to the Technical Manual of the system board or in the manual BIOS).

Check the relevant entries for
Diskette A:
or
B:
in the
Main
menu of the
BIOS Setup
.

Check that the floppy disk drive controller is enabled (refer also to the Technical Manual of the
system board or in the manual "BIOS Setup").

Check that the cables of the floppy disk drive are properly connected (refer to chapter "System
expansions").
Time and/or date is not correct

Set the time and/or date. You can set the time and date in the
BIOS Setup
or in the operating
system.
i
If the time and date are repeatedly wrong when you switch on your PC, the battery is flat.
Change the lithium battery as described in the Chapter "System expansions
".
Error messages on the screen
Error messages and their descriptions are listed in the Technical Manual of the system board or in
the "BIOS Setup" manual and in the documentation of the installed software.