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Toshiba Satellite C640 Series - Page 131

Toshiba Satellite C640 Series
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User’s Manual 8-8
Troubleshooting
External Monitor
Refer also to Chapter 3, Hardware, Utilities and Options, and to your
monitor’s documentation.
Memory cards: Secure Digital (SD)/Secure Digital High Capacity
(SDHC)/Secure Digital Extended Capacity (SDXC)/MultiMediaCard
(MMC)
Refer also to Chapter 3, Hardware, Utilities and Options.
Cannot write correctly If you have trouble writing, make sure you are
observing the following precautions:
Use only media recommended by TOSHIBA
Do not use the mouse or keyboard during
writing.
Use only the software supplied with the
computer for recording.
Do not run or start other software during
writing.
Do not jar the computer during writing.
Do not connect/disconnect external devices
or install/remove internal cards during writing.
If problems persist, contact your dealer.
Problem Procedure
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
Memory card error
occurs
Reseat the memory card to make sure it is firmly
connected.
Check the card’s documentation.

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