Photoshop 2021 Screen going grey

[fergalo94229330]

I am having trouble with Photoshop 2021.

The screen image  is going grey.

I can still see all the layers but any layer I display is just a screen of grey.

I can open a second image and it looks fine.

Anyone else experiencing this?

[lucym62959013]

Any fix for this - I'm getting it today?!!!!