Open your session and try suspending by closing the lidįrom a terminal (or after pressing Alt + F2) run: Generally, the end of the line will look like this: quiet splash amd_iommu=off Go down to the line starting with linux and add at the end: amd_iommu=off. You should be able to see and edit the commands associated with the highlighted kernel. Now highlight the kernel you want to use, and press the e key. Start your system and wait for the GRUB menu to show (if you don't see a GRUB menu, press and hold the left Shift key right after starting the system). To do this, open a terminal and type sudo apt-get install lightdm, or sudo dpkg-reconfigure lightdm and when asked, select lightdm as your default display manager I finally managed to fix it, and here are the steps for people having the same issue. Thank you to anyone who'd try helping me! I guess buying a computer with an AMD proc was not such a good idea to use it with Ubuntu. I also went to Software update > additional drivers and it doesn't show any proprietary driverĪnother element, I had to reinstall Ubuntu because on the first try the GPU was not recognized and Ubuntu said in the settings Unknown screen.
Link for specs: ASUS Zenbook S512DA-EJ162TĪ picture of my corrupted screen: Corrupted screen after sleep mode Pretty annoying for a laptop.Ĭomputer: AMD Ryzen R5 / AMD Radeon Vega 8 / Dual boot with WIN10
I recently installed Ubuntu 18.04 on my ASUS X512D, and I have a problem resuming from sleep mode: the screen is black (with a working pointer) or corrupted and the only thing I can do is manually reboot the computer (and loose my work).
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