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I have just upgraded my Dell M1330 with Intel GM965 graphics from 12.04 to 13.04 (fresh install).

Now when I plug in an external monitor on HDMI, nothing happens. It seems that HDMI is only detected on boot and when I open screen settings, or run xrandr in a terminal. VGA works, although a bit slow sometimes.

I would report this as a bug, if I wasn't so unsure what the actual reason for the problem actually is.

Can anyone please help me so my computer detects HDMI again ike on 12.04 (where it worked flawlesly)?

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lspci output available at: – beruic Sep 15 '13 at 16:25

Did you try to install bumblebee? I think first you need to type in your terminal " lspci " and see what kind of VGA are connected in your laptop, after you should see if the bumblebee can help you.

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I know bumblebee wont help. I only have a GM965 and no nVidia. – beruic Sep 15 '13 at 16:23

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