"Software rendering mode" after fresh installation

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"Software rendering mode" after fresh installation

Postby ErViandante » 2020-11-11 09:31

I'm trying to install a debian environment on an old laptop. More precisely I'm installing Cinnamon, and it worked but just after the completion, after the login,I got a notification on the top right corner of the screen that says "software rendering mode" and everything is pretty laggy. I'm sure the minimum requirements of Cinnamon are satisfied (2gb of ram)
Also I executed the command
Code: Select all
lspci  -k

in the console and I got this result (to check the graphic card of this laptop)

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]VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] RV280/M9+ [Mobility Radeon 9200 AGP]
Subsystem: Acer Incorporated [ALI] RV280/M9+ [Mobility RAdeon 9200 AGP]
Kerneò driver in use: radeon
kernel modules: radeonfb, radeon

Can you help me understanding how to exit this "software rendering mode"?
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Re: "Software rendering mode" after fresh installation

Postby stevepusser » 2020-11-11 11:46

All AMD GPUs require non-free firmware "firmware-amd-graphics" package to work correctly in Debian. Search the forums for that package name, since your same question is asked and answered at least every few days, and the install driections shall be revealed.

Or just check the Debian wiki for AMD graphics, same answer.
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