On 07/02/2019 01:01 AM, Bennett Piater wrote:
Hi, I'm using a Thinkpad T450s with Intel graphics.
Yesterday, I could no longer connect external monitors via miniDP. They were not detected at all, either by xrandr in i3 or by sway (wayland). I didn't have time to dig out a VGA cable and try that, so I cannot rule out physical damage yet - I did try 2 monitors with different cables, both of which work with my wife's Thinkpad.
Since wayland doesn't make a difference, I'm thinking maybe something broke with the (my?) drivers? Is there any other possibility apart from physical damage, and what do I try next?
Cheers, Bennett
Have you checked the troubleshooting options on https://wiki.archlinux.org/index.php/Intel_graphics. I also recall an intel issue with recent kernels, but can't put my hand on a link. The problems experienced with some are listed in the wiki. -- David C. Rankin, J.D.,P.E.