DKMS: uninstall Nvidia driver using distro package manager
BAR: enable resizable BAR in motherboard CMOS setup
IOMMU: Add "amd_iommu=off" or "intel_iommu=off" to kernel command line for AMD or Intel CPU, respectively (or just add both). You may or may not need to disable the IOMMU in CMOS setup (Intel calls its IOMMU VT-d).
See motherboard docs for specific option names. See distro docs for procedures to list/uninstall packages and to add kernel command line options.
BAR: enable resizable BAR in motherboard CMOS setup
IOMMU: Add "amd_iommu=off" or "intel_iommu=off" to kernel command line for AMD or Intel CPU, respectively (or just add both). You may or may not need to disable the IOMMU in CMOS setup (Intel calls its IOMMU VT-d).
See motherboard docs for specific option names. See distro docs for procedures to list/uninstall packages and to add kernel command line options.