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#1 2020-09-23 23:02:55

Registered: 2012-07-17
Posts: 74

mDP No Signal on wake, reseting cable fixes

I have a 5k X 2k resolution monitor connected to a Dell Precision 7530 with nVidia graphics, using proprietary driver.

Monitor works fine....but when I put the laptop to sleep and later open it, it shows "No Signal".  If I pull the cable and put it back in, it is recognized again.

I've been using Arch on this computer for 2 years.  It was fine for most of that time.  Earlier this year, around the time of the kernel 5.4/5.5 release, it exhibited this behavior somewhat intermittently, then it was fine for a while.  Now it does it every time I open the laptop from sleep.

Thanks for any ideas!

Last edited by yodermk (2020-09-23 23:05:26)


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