Toshiba Satellite L510 User Manual - Page 149

External monitor, Sound system, Problem, Procedure, FN + F5 - drivers for windows 7

Page 149 highlights

Troubleshooting External monitor Refer also to Chapter 8, Optional Devices, and to your monitor's documentation. 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. Sound system Problem No sound is heard Procedure Adjust the volume control dial. 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. USB Refer also to your USB device's documentation. Problem Procedure USB device does not Check for a firm cable connection between the work USB ports on the computer and the USB device. Make sure the USB device drivers are properly installed. Refer to your Windows documentation for information on checking the drivers. User's Manual 9-11

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User’s Manual
9-11
Troubleshooting
External monitor
Refer also to Chapter 8,
Optional Devices
,
and to your monitor’s
documentation.
Sound system
USB
Refer also to your USB device’s documentation.
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 control dial.
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.
Problem
Procedure
USB device does not
work
Check for a firm cable connection between the
USB ports on the computer and the USB device.
Make sure the USB device drivers are properly
installed. Refer to your Windows documentation
for information on checking the drivers.