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elhe avatar Ubuntu

After today's boot, XMG laptop screen only shows noise

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elhe

This is my laptop screen after login. I have a XMG core 15 with a GTX 1650 Ti. I am using Ubuntu 20.04 with Kernel 5.13.0-27-generic #29~20.04.1-Ubuntu SMP Fri Jan 14 00:32:30. My monitors via HDMI and DP are working fine. I already tried purging the nvidia drivers and reinstalling different versions.

I tried using ubuntu-drivers autoinstall, but it just installed nvidia-drivers-470.

  • nvidia-driver-460: Monitors work, laptop screen doesn't
  • nvidia-driver-470: Monitors not recognized, laptop screen doesn't work.
  • nvidia-driver-495: See nvidia-driver-460.

Is there anything else I can try?

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Dietmar P. avatar Ubuntu
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Dietmar P.

I believe elhe and me are using nearly the same notebook from bestware.com. at least my notebook does not have this bios option. it was mentioned that this bevahior is only driven by optimus. externel display are always driven by the nvidia dgpu while the notebook display can be driven by amd igpu or nvidia dgpu.

meanwhile i found 2 links...looks like an issue with amd igpu and kernel 5.14 obviously contains a fix : https://www.reddit.com/r/Ubuntu/comments/rwnn7n/amd_ryzen_desktop_users_hold_off_with_513023/ https://bugs.launchpad.net/ubuntu/+source/linux-signed-hwe-5.13/+bug/1958494

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elhe avatar
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elhe
Yes I think we have almost the same laptop (mine from a german seller) with a ryzen cpu. So it looks like it will be fixed in 5.14
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Dietmar P. avatar Ubuntu
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Dietmar P.

I have the same problem. After kernel upgrade to 5.13.0-27 the notebook display flickers. I'm using a XMG Core 17 with GTX 1650 TI. I've tried all combinations of lightdm/gdm3 and Nvidia 460.91.03 and 470.86. Always the same behavior. When I boot kernel 5.11.0-46 everything works fine.

These are the upgraded packages of today...at least one of them should be responsible for that behavior :

Install: linux-modules-extra-5.13.0-27-generic:amd64 (5.13.0-27.29~20.04.1, automatic), linux-modules-5.13.0-27-generic:amd64 (5.13.0-27.29~20.04.1, automatic), linux-headers-5.13.0-27-generic:amd64 (5.13.0-27.29~20.04.1, automatic ), linux-image-5.13.0-27-generic:amd64 (5.13.0-27.29~20.04.1, automatic), linux-hwe-5.13-headers-5.13.0-27:amd64 (5.13.0-27.29~20.04.1, automatic) Upgrade: linux-headers-generic-hwe-20.04:amd64 (5.11.0.46.51~20.04.23, 5.13.0.27.29~20.04.13), linux-libc-dev:amd64 (5.4.0-94.106, 5.4.0-96.109), ruby2.7:amd64 (2.7.0-5ubuntu1.5, 2.7.0-5ubuntu1.6), ubuntu-advantage-tools:amd64 (27. 4.2~20.04.1, 27.5~20.04.1), gdb:amd64 (9.2-0ubuntu1~20.04, 9.2-0ubuntu1~20.04.1), linux-image-generic-hwe-20.04:amd64 (5.11.0.46.51~20.04.23, 5.13.0.27.29~20.04.13), linux-generic-hwe-20.04:amd64 (5.11.0.46.51~20.04.23, 5.13.0.27.2 9~20.04.13), libruby2.7:amd64 (2.7.0-5ubuntu1.5, 2.7.0-5ubuntu1.6), gdbserver:amd64 (9.2-0ubuntu1~20.04, 9.2-0ubuntu1~20.04.1), linux-firmware:amd64 (1.187.24, 1.187.25)

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