I recently tried to update my Windows Vista Home Premium PC to Windows 7 (32 bits), and during installation learned that Windows 7 is having problems with displaying the correct resolution on the LCD TV I'm using for my screen. In the middle of the installation, the TV shows "Not Supported Mode" on the screen and stayed that way. I suspect that Windows 7 is trying to display a resolution that my TV could not handle, so to solve this problem, turned off the computer, temporarily connected a second LCD monitor via DVI (dual display settings) and became the PC again, which allowed me to complete the installation of the update for Windows 7. This also let me see my Samsung TV was being detected as one of the screens, and "recommended" resolution of this TV was being detected as 1920x1080, which is the resolution that was originally used very well in Windows Vista. Now with Windows 7, the highest resolution I am able to display on my Samsung TV is 1360x768 ... decisions that increase because of "unsupported mode" shown in a black screen.
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