My splash screen is suddenly low resolution and all ugly!

Hi there,
Like the title mentions it : "My splash screen is suddenly low resolution and all ugly !"
I'd say like 600x800 or even less.
Can't recall what I've just done right before
I think I had only updated my NVIDIA GTX 1070 graphic card drivers through 'Add Drivers'

How can I change my splash screen back to what it used to be ?

can you revert back to the nouveau driver, reboot, if all goes well, then reapply the nvidia driver.

Just a thought.

I just did apply back again the Nouveau drivers and my splash screen is displayed fine like before but now I have the same issue I had with it, I mean that with the Nouveau drivers sleep mode and standby mode do not work… No way to let my PC hibernate…
:disappointed:

The NVIDIA proprietary has long known to do this, there is a solution though: