I want to connect my laptop (Toshiba i5 with ATI drivers, I have proprietary ones installed) to my Sony KDL-32V2000 TV, which has a 1366x768 resolution.
The resolution of my laptop is also 1366x768. However, when I put the HDMI cable inside the laptop, the resolution of the laptop AND the TV switches to 1280x720.
From the Display settings, I have the "mirror displays" box ticked. There's no 1366x768 option in the resolution dropdown menu. How can I solve it?
Why are there these kinds of problems? I have read quite some questions about HDMI and external monitors problems. On Windows 7, I plug in the HDMI cable and it works. Why isn't this the case for Ubuntu (12.04) that I'm using?