Laptop screen blank when using second monitor

[Dale Dellutri]

On Tue, Oct 29, 2013 at 10:56 AM, Oliver Ruebenacker <curoli at gmail.com>wrote:

>
>
>      Hello,
>
>   Until this morning, my Lenovo Thinkpad T430 running KDE on Fedora 19 was
> working fine sitting on a base with a second monitor attached. I removed it
> from the base and connected another second monitor (a projector) and things
> were still fine. When I put it back into the base, the laptop screen went
> blank, and it was using only the second screen. When I remove it from the
> base, it uses the built-in screen, but as soon as I put it into the base,
> it only uses the second screen. Interestingly, when I restart, it uses both
> screens properly until after I log in.
>
>   Any advice? Thanks!
>

In a terminal window, type:
  xrandr
to determine whether it thinks that the laptop screen and the external
monitor are connected or disconnected.  If the laptop screen is connected
but blank, then it sounds like a hardware problem.

Also, some laptops have a key that you can press to rotate through whether
all the screens are active or not.  Does the Lenovo have one?

-- 
Dale Dellutri
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