What if you reinstall mhwd-nvidia ?
Nothing changed 
I have also tried to reinstall that package. It didn’t solve anything.
And mhwd-db ?
bash: mhwd-db: command not found
No, I meant, reinstall it: 
sudo pacman -S mhwd-db
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I got that warning in the installing process but seems like its fixed. Thank you! 
sudo pacman -S mhwd-db
warning: mhwd-db-0.6.5-7 is up to date -- reinstalling
resolving dependencies...
looking for conflicting packages...
Packages (1) mhwd-db-0.6.5-7
Total Installed Size: 0,03 MiB
Net Upgrade Size: 0,00 MiB
:: Proceed with installation? [Y/n] Y
(1/1) checking keys in keyring [################################################] 100%
(1/1) checking package integrity [################################################] 100%
(1/1) loading package files [################################################] 100%
(1/1) checking for file conflicts [################################################] 100%
(1/1) checking available disk space [################################################] 100%
warning: could not get file information for var/lib/mhwd/db/pci/graphic_drivers/hybrid-amd-nvidia-prime/MHWDCONFIG
warning: could not get file information for var/lib/mhwd/db/pci/graphic_drivers/hybrid-intel-nvidia-prime/MHWDCONFIG
warning: could not get file information for var/lib/mhwd/db/pci/graphic_drivers/nvidia/MHWDCONFIG
:: Processing package changes...
(1/1) reinstalling mhwd-db [################################################] 100%
Voila. There we have it.
for some reason those files were missing:
warning: could not get file information for var/lib/mhwd/db/pci/graphic_drivers/hybrid-amd-nvidia-prime/MHWDCONFIG
warning: could not get file information for var/lib/mhwd/db/pci/graphic_drivers/hybrid-intel-nvidia-prime/MHWDCONFIG
warning: could not get file information for var/lib/mhwd/db/pci/graphic_drivers/nvidia/MHWDCONFIG
reinstall brought them back.
@RichardF77 You might want to try the same…
Fixed it for me too
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Thanks man
sudo pacman -S mhwd-db
it solved it for me as well. you are legend my friend.
It would be good to mark this post as solved and pinned somewhere, as other people might have the same issue. This problem happened to me after a fresh install which is uncommon.
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also works here.
I am new to manjaro so this was helpfull
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Thank you. That helped me too.
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I tried reinstalling as per the instructions, but this didn’t fix it on my end! I still only have video-hybrid-intel-nvidia-prime, video-hybrid-intel-nvidia-390xx-bumblebee, video-nvidia, video-nvidia-390xx, video-linux, video-modesetting, and video-vesa visible. I used to run the 440xx drivers, which now won’t show up!
The 440 drivers have been dropped. You have the latest drivers video-hybrid-intel-nvidia-prime, the 390 drivers or the nouveau drivers to choose from. If you are being shown the latest drivers then mhwd has detected your card compatible so install those which atm are 455
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Thanks, this is really helpful.
So since 455 isn’t showing up at all, does that mean my old M100M card just isn’t supported, probably?
If not, which of the available options do you imagine is best? Probably just the video-hybrid-intel-nvidia-prime?
video-hybrid-intel-nvidia-prime is the 455 driver is just named different (or at the moment its the 455) so I’d try that since its listed. If it doesn’t work then you can try the 390 or Phil posted a guide on how to compile the drivers yourself
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Ahhh, perfect! Thanks so much.
This worked for me too. Thank you!
In my experience with MHWD is that it does not always properly recognizes the gpu’s compatibility to the latest driver, even though it are compatible and listed as supported in 455 drivers on the nVidia driver page.
My laptop that has a GTX 860M. MHWD does not detect (never has) it as nvidia-prime compatible, so the current/changed video-hybrid-intel-nvidia-prime (455) is not given as driver option. Only 390.
I knew the 860M was supported in all 4xx nvidia drivers, I since manually installed/run them without issue previously. Only kernel updates gave me issues where a driver removal/install was needed to make it all work again.
Same after the updating to 5.10, before I updated I removed 450xx, then after manually cleanly installed the current prime drivers through MHWD and voila everything worked again.
So I do sometimes wonder how many (new)users with old-ish nVidia gpu’s run the wrong legacy drivers while prime driver supports their gpu.
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