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#1 2019-09-10 13:27:53

rathernot
Member
Registered: 2019-08-04
Posts: 2

xrandr doesn't recognize HDMI input anymore (Thinkpad X1)

My X11 server crashed today (I installed the game Celeste and then one of my windows hang, I had to reboot). And after that reboot, external displays are not rexcognized anymore.

When I open xrandr, it just displays the internal display.

I went through the logs but couldn't find much. I re-installed libinput, with no success.

This is while an external HDMI monitor is plugged in:

$ lspci | grep VGA
00:02.0 VGA compatible controller: Intel Corporation UHD Graphics 620 (rev 07)

And:

$ xrandr --listproviders
Providers: number : 1
Provider 0: id: 0x49 cap: 0xb, Source Output, Sink Output, Sink Offload crtcs: 4 outputs: 6 associated providers: 0 name:Intel

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#2 2019-09-10 14:36:12

seth
Member
Registered: 2012-09-03
Posts: 12,674

Re: xrandr doesn't recognize HDMI input anymore (Thinkpad X1)

Please post the full outputs of "lspci", "xrandr -q", "dmesg" and you xorg log.

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#3 2019-09-10 15:53:18

ewaller
Administrator
From: Pasadena, CA
Registered: 2009-07-13
Posts: 16,763

Re: xrandr doesn't recognize HDMI input anymore (Thinkpad X1)

And, as a sanity check, the output of uname -a and of pacman -Q linux
(Assuming you are using the mainstream kernel.  Change that second command as required if you are using an alternate kernel)


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