Re: toshiba video problem
On Sun, 03 Apr 2022 15:10:01 +0200, Noah Sombrero <fedora@fea.st>
wrote:
>On Sun, 03 Apr 2022 14:20:01 +0200, Dan Ritter <dsr@randomstring.org>
>wrote:
>
>>Noah Sombrero wrote:
>>> I installed deb 11.3 on my old toshiba satellite laptop (p25 s509),
>>> yes p4, 1.25 gb ram. It should work, and it does except that the
>>> display is offset to the top and the right. I have not found any
>>> reference on the web that shows how to adjust that, although there are
>>> some before xrandr when xorg.conf was still used, that might have done
>>> it. Since then, everything is supposed to be automatic and simply
>>> work. No workee.
>>
>>This is just some quirk of how Toshiba chose to implement this
>>display, and it can be fixed with an altered modeline.
>>
>>In xorg.conf, or a file in xorg.conf.d, you need an entry of
>>this format. Note that this is an example of the format, not the
>>right answer for you - among other things, I bet it's not
>>connected on HDMI.:
>
>Thanks. I did find suggestions like this online. But it appears that
>xorg.conf is no longer used, and is indeed missing from xorg.conf.d.
>So I can simply create a new file with these entries and put it in
>place?
>
>>Section "Monitor"
>> Identifier "Monitor-HDMI1"
>> VendorName "LGD"
>> ModelName "ULTRAWIDE"
>> Modeline "2560x1080" 185.580 2560 2624 2688 2784 1080 1083 1093 1111 -HSync -VSync
>> Option "PreferredMode" "2560x1080"
>>EndSection
I suspect that for my ancient toshiba things like
monitor-hdmi1
lgd
ultrawide
would not be used. Are they for information purposes only? And
-hsync and -vsync are the adjustment amounts to actually get the
display positioned where it should be? They could also be + amounts?
>>Via xrandr instead, applying such a thing would look like this:
>>
>>xrandr --newmode "2560x1080" 185.580 2560 2624 2688 2784 1080 1083 1093 1111 -HSync -VSync
>>xrandr --addmode HDMI1 "2560x1080"
>>xrandr --output HDMI1 --mode "2560x1080"
>>
>>So that's the how. The what is best explained by this web page:
>>https://arachnoid.com/modelines/
>>
>>Which should be enough for you to work out the specific timings
>>needed to get this screen to work.
>>
>>-dsr-
--
Noah Sombrero
Reply to: