About iMac
Sometimes when I open my iMac, the screen has 2 options the Admin and the Guest... When I click the Admin and click in the dock, it hangs... how to prevent this so that if I open again the Admin account it does not hang.... and if I see like this I always click restart and then the screen does not restart it always on the gray screen... please help....
iMac, Mac OS X (10.7.4)