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On my notebook (max screen resolution: 1920x1080) there is a HDMI port. I plugged in a HDMI cable from a second, external TFT screen (max resolution 1680x1050).
When I go now (under Win7) to
Control Panel/Appearance and personalization/Display/Screen Resolution
and select "Duplicate these displays" (under drop down Multiple displays") then
the notebook screen resolution is automatically switched to 1680x1050 and duplicated on the external screen.
Fine so far.
Now I select "Extend these displays" in order get a bigger desktop.
Unfortunately the second screen gets black now. The local desktop screen is NOT enlarged as desired.
Whats wrong?
Do I have to set other options additionally?
Do I have to install locally (on notebook) drivers for the second, external TFT as well?
Thank you
Peter
When I go now (under Win7) to
Control Panel/Appearance and personalization/Display/Screen Resolution
and select "Duplicate these displays" (under drop down Multiple displays") then
the notebook screen resolution is automatically switched to 1680x1050 and duplicated on the external screen.
Fine so far.
Now I select "Extend these displays" in order get a bigger desktop.
Unfortunately the second screen gets black now. The local desktop screen is NOT enlarged as desired.
Whats wrong?
Do I have to set other options additionally?
Do I have to install locally (on notebook) drivers for the second, external TFT as well?
Thank you
Peter