I've dual booted my windows 10 laptop. After installing UBUNTU 20.04 LTS, it can't detect the NVIDIA driver. Though, windows os still detects the driver. I've installed nvidia driver, but it's not detected.
I've tried sudo ubuntu-drivers devices. It doesn't show anything. At Additional driver section in Software & updates apps,
No additional drivers available
is shown.
All in all, UBUNTU 20.04 LTS isn't detecting the NVIDIA driver for unknown reasons. Please, help me out.
My NVIDIA Graphics card: Geforce 820M
I've attached the output of lspci -k | grep -EA3 'VGA|3D|Display'
00:02.0 VGA compatible controller: Intel Corporation HD Graphics 5500 (rev 09)
Subsystem: Hewlett-Packard Company HD Graphics 5500
Kernel driver in use: i915
Kernel modules: i915
--
09:00.0 3D controller: NVIDIA Corporation GF117M [GeForce 610M/710M/810M/820M / GT 620M/625M/630M/720M] (rev a1)
Subsystem: Hewlett-Packard Company GeForce 820M
Kernel modules: nvidiafb, nouveau, nvidia_drm, nvidia
0a:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8723BE PCIe Wireless Network Adapter
I just had a similar situation with Nvidia driver not being recognized. Thanks to an answer to a similar complaint I did the following procedure to fresh install the Nvidia drivers:
sudo apt-get install nvidia-driver-440
Due to the number of recent posts and from my own experience, it looks like a recent update somehow deleted the Nvidia library and opened up a can of graphics woes for many of us with Nvidia adapters.
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