Can you replicate the above situation where you say the Import Panel appears "UNDER the Library panel"?
Post a screen shot of the top part of that thanks.
What do you mean you "cannot do any of the Import functions"?
Can you see and select images for import in Import dialogue box?
Can you share a screenshot? This would help a lot
Th photos come up, but i can not select or uncheck any photos as there appears to be a residue of the library panel over the Import panel
Are you saying that the Library Module appears on top of the Import dialogue box?
Can you share a screenshot?
Did you try resetting Lightroom (Ctrl+Alt+Shift when starting)?
We will need to see a screen shot of what you are seeing. To do that with a Mac Google "Keyboard shortcuts for taking a screen shot in OS X". Then take a screen shot of the whole LR window/screen and Post it in a reply to this discussion. You have to on the Forum Web site to do that. you can't include it in an email reply.
Something going bonkers involving your GPU?
Using GPU acceleration, on or off?
Describe your Monitor situatiuon/arrangement.
You state MAC, MAC what? MacBook. iMAC, etc.
If MAC Book, are you looking at the laptops monitor, or an extrnal monitor,
Any dual display software running?