Toshiba Satellite M100 (PSMA1) - Manual (Page 138)

User’s Manual 9-9
Troubleshooting
Monitor
Refer also to Chapter 8, Optional Devices , and to your monitor’s
documentation.
Sound system
Problem Procedure
Monitor does not turn
on.
Make sure that the external monitor's power
switch is on. Confirm that the external monitor's
power cable is plugged into a working power
outlet.
No display. Try adjusting the contrast and brightness controls
on the external monitor.
Press hotkeys Fn + F5 to change the display
priority and make sure it is not set for the internal
display.
Display error occurs. Check that the cable connecting the external
monitor to the computer is attached firmly.
If problems persist, contact your dealer.
Monitor goes into
panning mode.
Check your monitor specification. It might not
support the selected resolution and refresh rate.
The resolution on the monitor might go into
panning mode when wide screen resolution is
selected. Refer to Appendix B, Display Modes .
Problem Procedure
No sound is heard. Adjust the volume control dial.
Check the software volume settings.
If appropriate, make sure the headphone
connection is secure. Check Windows Device
Manager and ensure the sound function is
enabled and that settings for I/O address,
interrupt level and DMA are correct for your
software and do not conflict with other hardware
devices that you have connected to the computer.
If problems persist, contact your dealer.