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Discussion Starter #1
I Have a Toshiba Satellite C640 laptop with a standard VGA Graphics Adapter. (Windows 7)

Am trying to hook up an external monitor but only one works at a time. Tried using the Fn/F5 keys. Also the second monitor does not show up in the display settings even after trying the detect button. If the external monitor is connected before the machine boots it starts up but then I loose the laptop display and vice-versa.

Is it to do with no dedicated video card (graphics).
 

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The Fn+F5 combo should give you five options on-screen provided that the external monitor is switched on & connected:

❖ Built-in display only
❖ Built-in display and external monitor (simultaneously)
❖ External monitor only
❖ Built-in display and external monitor (extended mode)
❖ Swap-Switch primary display between internal display
and external monitor when using extended desktop

If the external monitor is not switched on, some of the above options will not be available.
 

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Discussion Starter #3
Tried that one. If I connect the external monitor it start up when I reboot the system, however the laptop screen goes off. The Fn-F5 combo just makes the external monitor blank-off and come on. I dont get the options you described. I also tried using the Windows-P combo as it says one of the microsoft weblinks.
 
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