Black Square covering half my screen when using brush tool

[Bobodude]

mock up of what it looks like

[Bobodude]

fixed now, no idea what i did

[kglad]

me either.

[Bobodude]

nevermind

[kglad]

?

[Bobodude]

fluid brush only, same thing.

[kglad]

is whatever you're seeing, solved?

[Bobodude]

nope

[Bobodude]

uhhh it seems to only appear when zoomed in for the classic brush

[kglad]

there are zoom limits, along with limits on everything else 

[Bobodude]

half the screen gets cut off when drawing

[n. tilcheff]

Restart your computer.

Check for video driver updates and OS updates.

[kglad]

 what's zoom % when this occurs, if previous suggestion fails?