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User’s Manual 8-11
Satellite C650/C650D, Satellite Pro C650/C650D
External Monitor
Refer also to Chapter 3, Hardware, Utilities and Options, 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 hot keys 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.
Problem Procedure
No sound is heard Adjust the volume by pressing
FN + 3 to
decrease or FN + 4 to increase.
Check the software volume settings.
Make sure the headphone connection is secure.
Check Windows Device Manager. Make sure 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 may have connected
to the computer.
If problems persist, contact your dealer.