On Sat, 13 Jul 2019 04:14:52 -0400 ho...@rumormillnews.com wrote: > > On 13.07.2019 12:44, ho...@rumormillnews.com wrote: > >>> On Fri, 12 Jul 2019 20:22:55 -0400 > >>> ho...@rumormillnews.com wrote: > >>> > >>>>> On Fri, 12 Jul 2019 17:52:43 -0400 > >>>>> ho...@rumormillnews.com wrote: > >>>>> > >>>>>> Following recent 'buster' move to 'stable' I got wild > >>>>>> psychedelic colors > >>>>>> on my XFCE desktop, making it nearly impossible to read > >>>>>> anything on-screen. > >>>>>> > >>>>>> Normally I'd have display set for 1024x768. I've found I can > >>>>>> get normal > >>>>>> color on the GUI if I switch to 1600x900. However, even then, > >>>>>> if I switch > >>>>>> to console (F1-F6) or if the screensaver comes on, on return > >>>>>> the psychedelic colors are back. If I log out / log in to the > >>>>>> desktop, normal > >>>>>> colors return with the 1600x900 setting only. > >>>>>> > >>>>>> AMD A10-7860K Radeon R7. ASUSTEK A68HM-K motherboard. > >>>>>> firmware-linux-free and firmware-linux-nonfree are installed. > >>>>>> > >>>>>> Is this a bug? Is there a fix? I'd like to get my normal > >>>>>> colors and normal resolution back. Thanks in advance for any > >>>>>> help. > >>>>> > >>>>> Try a different theme. The switch from GTK-2 to GTK-3 results > >>>>> in a mess > >>>>> if the wrong theme is used. > >>>>> > >>>> Thanks. :) Using GTK-ChTheme (which says it's for GTK+ 2, but I > >>>> don't see > >>>> a similar utility for GTK+ 3) I switched to Xfce 4.4 but got no > >>>> improvement. Should I be approaching this theme change some > >>>> other way? > >>>> > >>> You have the right idea, however, perhaps try adwaita, which is a > >>> GTK-3 specific theme. > >>> > >> Whoa! I tried to take screenshots so folks could see what I've > >> been trying to describe. Shot of normal screen turns out as > >> expected. Shot of > >> psychedelic screen turns out ... identical to shot of normal > >> screen!!! In > >> other words, what's present in graphic memory space is not the > >> same as what's being transmitted to my display/monitor, > >> sometimes. Where's Rod Serling when we need him...? :) > >> > >> > > What display/monitor do you use? Do you connect it using HDMI cable? > > I remember another list user was asking same question with identical > > symptoms sometime ago. > > > > -- > > With kindest regards, Alexander. > > > Thanks -- the brand is AOC, connected via VGA cable, there's a DVI > port on the card but no HDMI one. (If I plug an HDMI converter in > via USB, would that work?) >
It should, but the DVI from a computer ought to work into an HDMI monitor, though of course it needs an adaptor plug. I've done that before. This sounds like a graphics driver problem, so the DVI may also be affected, but maybe not. The colour encoding is very different from VGA. -- Joe