On 2018-03-01 17:47, Richard Wilson wrote:
> On SouthPole, if the screen resolution doesn't come up as 1280x1024,
> then as root 
use xrandr to get the display name:



xrandr should be usable by whoever's running the current X session.  At 
least, I've never needed root to use xrandr.

[snip stuff that sounds correct and will probably work]
> More recently I am also using a TV as a monitor -- I had to jump
> through some hoops to disable overscanning on the HDMI port

"xrandr --output HDMI-1 --set underscan on" should work.  The man page 
doesn't totally make that clear, but that's what worked for me.  
Confusingly enough, you can usually set one of a TV's HDMI inputs to 
something like "PC mode" where it'll expect input without overscan.  
This causes trouble if you plug other HDMI sources into that port, since 
many/most of these output overscanned video by default.

-- 
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