====== Ubuntu - GPU - Nouveau - Switch back to nouveau driver ======
sudo apt update
sudo apt install xserver-xorg-video-nouveau
**NOTE:** Can also use the GNOME GUI Software & Updates application window, to switch to the nouveau driver.
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===== Reboot =====
Reboot for the changes to take effect.
sudo reboot
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===== Confirm the nouveau modules are loaded =====
sudo lsmod | grep nouveau
returns:
nouveau 1949696 4
mxm_wmi 16384 1 nouveau
ttm 106496 1 nouveau
drm_kms_helper 184320 1 nouveau
drm 491520 7 drm_kms_helper,ttm,nouveau
i2c_algo_bit 16384 1 nouveau
wmi 32768 3 wmi_bmof,mxm_wmi,nouveau
video 49152 1 nouveau