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My laptop model is: Dell inspiron 15R Graphic card: AMD RADEON Installing driver completes successfully. after rebooting i have issue loging-in. TTY1-TTY6 are accesible to me but I cannot login.

After I enter the password, "system problem detected" window is displayed and the login screen appears again.

Please help Thank you in advance

Gunnrryy
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  • I there any reason you can't just add a PPA with latest Mesa? – Hi-Angel Nov 22 '17 at 18:22
  • nope. i am finding it difficult to install. can you guide me? – Gunnrryy Nov 22 '17 at 18:32
  • See this question for how to install a PPA, given your graphics doesn't work ATM, skip to the second answer that shows how to do it from a command prompt. You can use this PPA for latest in-development Mesa. But since this is "in-development", you need to be ready for regressions including non-booting graphics. I'd rather recommend this PPA which is latest stable Mesa. – Hi-Angel Nov 22 '17 at 18:38
  • @Hi-Angel as instructed, i added the ppd of stable Mesa. but what to do ahead. which package do i need to install from this ppa. – Gunnrryy Nov 22 '17 at 18:54
  • Use sudo apt-get update, then sudo apt-get install mesa, and when it, hopefully successfully, finished, use reboot to reboot the system. – Hi-Angel Nov 22 '17 at 18:57
  • i am getting about 10-15 package list when did sudo apt install mesa., mesa-common-dev, mesa-opencl-icd,mesa-utils,mesa-va-drivers, mesa-vdpau-drivers, mesa-vulkan-drivers etc.. – Gunnrryy Nov 22 '17 at 18:58
  • Nice, it's dependencies, just press "yes". – Hi-Angel Nov 22 '17 at 18:59
  • Let us continue this discussion in chat. – Gunnrryy Nov 22 '17 at 19:00
  • even after installing mesa-va-drivers, i still see the lag in videos that render on 1920x1080 resolution. so i believe the gfx-card driver isnt installed or supporting driver is still missing. – Gunnrryy Nov 22 '17 at 19:10

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