Check what driver your card is currently using, in this case, the card is using the opensource nvidia drivers called nouveau
$ lspci -v | grep -A8 NVIDIA
3d:00.0 3D controller: NVIDIA Corporation Device 1bb3 (rev a1)
Subsystem: NVIDIA Corporation Device 11d8
Flags: bus master, fast devsel, latency 0, IRQ 40
Memory at b7000000 (32-bit, non-prefetchable) [size=16M]
Memory at 4bfe0000000 (64-bit, prefetchable) [size=256M]
Memory at 4bff0000000 (64-bit, prefetchable) [size=32M]
Capabilities:
Kernel driver in use: nouveau
Kernel modules: nvidiafb, nouveau
Download the driver for your card from nvidia download website
Choose the correct card model, and operating system, and click SEARCH
Click DOWNLOAD
Click AGREE & DOWNLOAD to download
If you want to download using wget, right click on the AGREE & DOWNLOAD button, and choose "Copy Link Address". Run wget against the link
$ wget http://us.download.nvidia.com/tesla/410.79/nvidia-diag-driver-local-repo-ubuntu1604-410.79_1.0-1_amd64.deb
Install the driver
$ sudo apt install ./nvidia-diag-driver-local-repo-ubuntu1604-410.79_1.0-1_amd64.deb
Make sure you have now nvidiafb in kernel modules
$ lspci -v | grep -A15 NVIDIA
3d:00.0 3D controller: NVIDIA Corporation Device 1bb3 (rev a1)
Subsystem: NVIDIA Corporation Device 11d8
Flags: bus master, fast devsel, latency 0, IRQ 40
Memory at b7000000 (32-bit, non-prefetchable) [size=16M]
Memory at 4bfe0000000 (64-bit, prefetchable) [size=256M]
Memory at 4bff0000000 (64-bit, prefetchable) [size=32M]
Capabilities: [60] Power Management version 3
Capabilities: [68] MSI: Enable+ Count=1/1 Maskable- 64bit+
Capabilities: [78] Express Endpoint, MSI 00
Capabilities: [100] Virtual Channel
Capabilities: [250] Latency Tolerance Reporting
Capabilities: [128] Power Budgeting
Capabilities: [420] Advanced Error Reporting
Capabilities: [600] Vendor Specific Information: ID=0001 Rev=1 Len=024
Capabilities: [900] #19
Kernel driver in use: nouveau
Kernel modules: nvidiafb, nouveau
Update
$ sudo apt update
Install cuda-drivers
$ sudo apt install cuda-drivers
Reboot your machine
$ sudo reboot
Check whether your card is using nvidia driver, and not nouveau
$ lspci -v | grep -A8 NVIDIA
3d:00.0 3D controller: NVIDIA Corporation Device 1bb3 (rev a1)
Subsystem: NVIDIA Corporation Device 11d8
Flags: bus master, fast devsel, latency 0, IRQ 88
Memory at b7000000 (32-bit, non-prefetchable) [size=16M]
Memory at 4bfe0000000 (64-bit, prefetchable) [size=256M]
Memory at 4bff0000000 (64-bit, prefetchable) [size=32M]
Capabilities:
Kernel driver in use: nvidia
Kernel modules: nvidiafb, nouveau, nvidia_410_drm, nvidia_410
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