My Viewsonic monitor does not display it's native resolution properly
I am using two monitors, one of which is my Viewsonic VT2430M.
While my primary monitor works perfect, the second monitor does not display it's native resolution of 1920x1080 properly. It overscans the image in a weird way and causes it to be very blurry. Several lines on each side are overscanned outside the frame.
The issue only exists with HDMI (either HDMI-HDMI, or DVI-HDMI which I prefer). I have a PlayStation 3 connected via YPbPr Component, and it displays 1080i perfectly. I also tried VGA and it displays perfectly, but I do not have VGA output on my PC.
I tried other resolutions, and the one with the least problems is 1680x1050, even though it is not the actual aspect ratio. It's far from optimal, and I would much prefer using the display at it's native resolution of 1080p.
It is connected to my Radeon HD 6870 (in crossfire) through a DVI-HDMI connection. I tried switching the output it uses, as well as disabling crossfire and trying the 2nd card to no avail. Again, my main monitor works without a hitch while the issues with my 2nd persists.
I searched the internet far-and-wide. Viewsonic.com is oblivious, which doesn't surprise me. People cite similar issues involving CCC underscanning, but my problem is different.
I tried the following:
All of which to no avail.
Some relevant info on my setup:
Does anyone know how do a hard factory reset on this thing, or a firmware upgrade/downgrade? I believe it worked fine out of the box.
If somebody can help, I would be extremely thankful. I probably will stop using the monitor if the problem persists.
That Viewsonic is marketed as a TV and not a computer monitor. As such there tend to be some minor differences in what they expect for input. I'm not too familiar with AMD->TV options, but it looks like you've started down the right path looking at Overscan and such. Maybe try checking if there are any other relevant options under the HDTV support settings?
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