Hey everyone, I'm new to Linux and just installed Kubuntu 25.10 on an older machine to escape Windows. I'm puzzled about my GPU setup. The monitors are connected to the graphics card, and both screens display fine, but when I check the 'About this System' section, it only lists:
- Graphics Processor 1: Intel HD Graphics 4600 Integrated
- Graphics Processor 2: llvmpipe
The system acknowledges that the GPU is present, as I can see it in the output of `lspci -tv`. Here are some relevant lines from that output:
- 01.0-[01]--+-00.0 Advanced Micro Devices, Inc. [AMD/ATI] Hawaii PRO [Radeon R9 290/390]
I'm wondering if my system is actually utilizing the dedicated GPU for processing tasks or if there's something wrong with the configuration. Any insights would be greatly appreciated!
2 Answers
Make sure your display cables are connected to the dedicated GPU. Sometimes if they are plugged into the motherboard instead, the system will default to the integrated graphics. You mentioned using a Display Port and DVI; just double-check they're connected to the Radeon R9.
Looks like your system is defaulting to llvmpipe which means it's relying on software rendering rather than using your dedicated GPU. That means it’s just using the basic Intel graphics built into your Xeon CPU. Try running `lspci -k` to see which kernel driver is in use for your GPU. Depending on what you find, you might need to adjust your kernel parameters to enable proper support for your AMD card.
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