The launcher was working yesterday, everything was working perfectly but now its blank only a bar is showing. The login information is all blank and not showing, please help.
Intel HD Graphics 4000 768 MB graphics
13-inch (2560 × 1600) Built-in Color LCD Display
Processor 2.6 GHz Intel Core i5
Memory 8 GB 1600 MHz DDR3
Software OS X 10.8.5 (12F45)
thank you