a5200

I was able to install Mountain Lion on this Toshiba laptop. However, the sound, wifi, battery, and time are not working. Here is my Toshiba Satellite P55-A5200 Hardware: *CPU= Intel Core i5 3427U @ 1.80GHz - Ivy Bridge 22nm Technology *Graphics= Intel HD Graphics 4000 (Toshiba) *IDT High...