Photoshop all functions black out and can't be seen

[yaow92936505]

Anyone encouter this issue? all functions can't be seen in my photoshop. 
Photoshop CC version 19
Thank you all!

[c.pfaffenbichler]

Does turning off »Use Graphics Processor« in the Performance Preferences (Photoshop > Preferences > Performance > Graphic Processor Settings) and restarting Photoshop have any bearing on the issue? 

[yaow92936505]

Thanks!
I've tried to turn off »Use Graphics Processor« in the Performance Preferences but no luck.