If your graphic card was manufactured in 2007 and newer, try uninstalling the xserver-xorg-video-intel package and use the builtin modesetting driver ( xserver-xorg-core) instead. deb After installing the Debian package, you’ll need to correct any dependency issues that may arise. completely uninstall stock drivers with device manager>display adapters>intel hd right click uninstall driver and restart, install drivers from intel by search for your cpu. cd /Downloads Install the update tool with dpkg. Installation of the proprietary "AMDGPU-PRO" graphics drivers published by AMD (Unsupported, generally poorer quality, and can cause instability with later system updates. With the package installed, open up a terminal and use the CD command to navigate to the Downloads folder. Installation of the free AMD/ATI graphics drivers (Recommended, typically the fastest and most stable, with full OpenGL and Vulkan support) Technical words can be used but explained. Also make sure that the appropriate firmware packages are up to date. If you get a fixed low resolution (like 1024 x 768) with no choice of higher resolution in GUI and/or xorg-server log errors with missing device (like (EE) open /dev/dri/Card0 no such file or device) and/or non starting display manager (sddm etc), make sure that your kernel is up to date (as the kernel has to recognize the graphics device). If you don't know your graphic card, visit hardware identification page to identify it, then find more information on its setup by matching it to one of the pages below. Contact Acer for the latest driver for your computer. Almost all graphics cards have free and open-source drivers available in Debian, however some cards may have better compatibility and performance after installing proprietary firmware or proprietary drivers. Installing a generic Intel driver instead of the customized computer manufacturer driver may cause technical issues. This portal contains links to the various Debian wiki pages regarding graphics cards and their respective driver installation processes.
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