Re:Xubuntu 19.04: The Exhaustive Update
by MisterTea on Thursday April 18, 2019 @10:23AM
(#19691201)
I ran into a similar problem with an older 30" 1080 Viewsonic TV/monitor which featured both HDMI and DVI inputs. I wanted to hook my Intel Nuc to it which was running Linux mint 18-something. The Nuc has VGA and HDMI so I naturally hook it to the TV using an HDMI cable. For some reason, the desktop resolution of 1920x1080 was somehow being scaled larger than the screen cutting off the edges. No amount of playing with the TV scaling settings would get the damn picture to fit on the screen.
I didn't know if it was Linux, the TV or the Nuc. So I spent the next two hours trying to figure it out to no avail. About to give up, I then had what I thought was a dumb idea, hook it to the TV using an HDMI-DVI cable. It worked. the 1920x1080 desktop filled the screen as it should. The only thing I can think of is the HDMI port is only setup to look for TV video profiles. The DVI port expects a PC so it can figure out the signal and get the picture right.
Re:Xubuntu 19.04: The Exhaustive Update
by u02sgb on Thursday April 18, 2019 @10:59AM
(#19691468)
That's common behaviour for a TV signal called "overscan". As you thought, it seems to be disabled if it knows a computer is connected. You can sometimes disable it in TV menus and most HTPC software has something to resize the UI to cope.
I didn't know if it was Linux, the TV or the Nuc. So I spent the next two hours trying to figure it out to no avail. About to give up, I then had what I thought was a dumb idea, hook it to the TV using an HDMI-DVI cable. It worked. the 1920x1080 desktop filled the screen as it should. The only thing I can think of is the HDMI port is only setup to look for TV video profiles. The DVI port expects a PC so it can figure out the signal and get the picture right.