'Input not supported' with Acer AL2216W monitor

I use Windows Vista Home Premium with Service Pack 2 in a system with an Intel D946GZIS motherboard and an ACER AL2216W LCD display panel. This system has worked well for over a year, but recently in a battle of two months with a problem of code 10, the screen would occasionally drain and display "Input not supported" in a small floating window. As a first step, start with F8 would allow the system to boot in a 640 x 480 window which would quickly find its native resolution of 1680 x 1050. But now it starts directly from the screen to 640 x 480 to the State banned in normal mode, make possible adjustments to display.

I can still use this display Mode without failure, but find that Safe Mode display adjustments do not affect the display in normal mode. In addition, a panel of HDTV used as a monitor instead of the Acer works wonderfully in normal mode in 1920 x 1080, but display settings to a lower resolution made with it do not persist when Acer Board is restored. Finally, my system is no longer recognizes the Acer AL2216W, but use a "default monitor.instead." And I can not install the Acer in the Mode panel without failure!

You can try to uninstall your display driver in Device Manager, then reboot. Check if the monitor is listed under Device Manager. Your monitor should be below or try to reinstall the driver using the procedure on the link in my first answer.

You can then go to the support site for your computer manufacturer and download the latest display driver specific to your operating system. Look for instructions on how to uninstall previous drivers and install the latest driver.

Tags: Windows

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