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Black screen after suspend AMD Laptop

cn flag

I have Lenovo Ideapad 5 with AMD Ryzen 5 CPU, running Ubuntu Desktop 20.04.3 LTS 64-bit. Kernel version is Linux 5.11.0-40-generic x86_64. I struggle with suspend mode. Whenever I turn on my laptop from suspend mode I got only black screen.

Note: It may not be relevant, but laptop during some activities got frozen (such as programming, watching videos online, web browsing,...)

I tried to set the line GRUB_CMDLINE_LINUX="nouveau.modeset=0" of file /etc/default/grub based on some post on the internet, but without success.

ChanganAuto avatar
us flag
(1) Before anything else, **update UEFI**. Even brand new systems often need an update, especially for running Linux distros. (2) Your system is running with open-source AMD Graphics drivers. `nouveau` is for Nvidia and in your case it isn't loaded therefore the parameter you added does nothing. Do NOT blindly follow "internet advice" when you don't know what you're doing or what it means.
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