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Ubuntu 18.04 nvidia driver not working

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I have installed Ubuntu 18.04 on a Lenovo Legion 5 (Ryzen 4600h with GTX 1660 Ti graphics). I have disabled Secure Boot from BIOS. I am trying to get nvidia-smi to run, but so far I have been unsuccessful.

At fresh install of Ubuntu I get the following:

nouveau : tmr: stalled at fffffff

If I try to to login with nomodeset it works, but nvidia-smi is no longer available. Then I installed the recommended drivers using:

sudo ubuntu-drivers autoinstall

and rebooted the system, after which it gets stuck on:

screen after reboot

I have tried various methods by reading posts, tried different versions of drivers, like 390, 418, 460, 465, but none of them worked.

Also, the system works as soon as I remove the NVIDIA drivers via recovery mode and use nomodeset, but nvidia-smi is no longer available and I need the GPU running on my system.

Hiren Patel avatar
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Update: I replaced ```gd3``` with ```lightdm``` and also installed the nvidia ```440``` driver version. Now the laptop display is completely blank after ubuntu logo and there is just a non blinking cursor on the top left. The external monitor connected via hdmi works fine. I think now is a just a display configuration issue. Any advice on how to solve this?
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