On 22/11/2020, River~~ <river14ap...@gmail.com> wrote: > hi all > > I have recently migrated my Qubes to an new desktop computer from my > laptop. Because I have not yet bought a suitable monitor I am using a > TV as an HDMI monitor, and am having the common difficulty that the > picture is bigger than the display area. This is called overscan. > > The HDMI TV is old enough that it does not have a setting for use with > PCs, nor a "normal" or "just scan" option. That means I need to adjust > the issue from the computer end. > > On LinuxMint I can sort this using xrandr, and I had imagined this > would be easy on Qubes, but no such luck :( > > The command that works on Mint fails on Qubes, because I have been > unable to guess what the --output name is for my display, and the > xrandr -properties command simply refers to the plugged in monitor as > 'default', or as 'Screen 0', but neither of those works as a name. > > I have tried > > HDMI-A-0 (as that is what it is on LinuxMint) > HDMI > HDMI0 > HDMI-0 > HDMI-0-0 > HDMI1 > HDMI-1 > HDMI-1-0 > HDMI-1-1 > > and a similar list (grasping at straws here) > > VGA > VGA0 > VGA-0 > ...etc > > The computer has an AMD CPU with a built in GPU, and on LinuxMint is > was easy to ask xrandr to list the three display connectors. I cannot > find the relevant command on dom0. I can't find any docs on the Fedora > site, though I can't say I really know my way around that. > > Is it Qubes, somehow hiding the display connector names? Is it that I > just need to invoke some different magic command in dom0 to get xrandr > to divulge the list of relevant names? > > Or is it that dom0 is already running wayland and I need a different > command entirely? > > I had assumed that it would be straightforward, as I understand that > Fedora in general has better graphics hardware compatibility than > Mint/Ubuntu/Debian (though I may be out of date on that). > > I am not sure what other info I can give to help you to help me. > > Should I post the output from lspci? and if so, as produced on > LinuxMint or as produced from Qubes? > > Be grateful for any suggestions. > > Final comments: > > If I can't fix this then Qubes is not really usable till I can afford > a newer monitor -- but that involves spending the money I had > earmarked to upgrade the new machine's memory to 32Gb from 8Gb. > > I am glad I still have the laptop installation, which works but it is > a bit laborious as it only has 8Gb memory and is not upgradeable. > > -- > 9831*2^1441403+1 is prime, >400k digits >
-- 9831*2^1441403+1 is prime, >400k digits -- You received this message because you are subscribed to the Google Groups "qubes-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to qubes-users+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/qubes-users/CAK3jUKpxxhA3YjsBm8aFecg4a26uoCKnqtnJcwYCTOC1vgHBJw%40mail.gmail.com.
