I am using Maverick. My desktop used to go into sleep mode if left inactive. That's not a problem, but the last 2 days it has done something different. When I go to wake it up, usually by pressing any key on the keyboard, nothing happens. I have to briefly press the power key. This wakes it up, but not like normal (straight to log-in screen). It wakes it to a grey screen (sorry, can't take a screen shot to show this). Now this is not the awful grey screen when something is terribly wrong. This is a grey screen that is see-through - I can see my log in details, but they are not clear due to the grey screen on top of it. Within about 30 seconds that grey screen goes away and I'm left with my normal log-in screen, but the mouse cursor is frozen in the top right corner, which also after about another 30 seconds or so, comes right and I'm good to go - like normal.
I haven't taken too much notice but I THINK that all 3 times this has happened is when I have left the computer for about 5 hours while I go to work - not sure.
What's happening or what setting has caused this to happen? Anyone else have this issue?
iMac (27-inch, Late 2013), OS X Mavericks (10.9.1)
