Toshiba M70 User Manual page 146

Troubleshooting
PC Card
Refer also to Chapter 8,
Problem
PC Card error occurs
Monitor
Refer also to Chapter 8,
documentation.
Problem
Monitor does not turn
on
No display
Display error occurs
Monitor goes into
panning mode
9-8
Optional Devices.
Procedure
Reseat the PC Card to make sure it is firmly
connected.
Make sure the connection between the external
device and the card is firm.
Check the card's documentation.
If problems persist, contact your dealer.
Optional Devices, and to your monitor's
Procedure
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.
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.
Check that the cable connecting the external
monitor to the computer is attached firmly.
If problems persist, contact your dealer.
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.
User's Manual