Recent content by diabase

It sounds a bit like Ravage D.C.X. from the Windows 95 era. This is the only video I could find of it: http://www.youtube.com/watch?v=IRrco_8DWWc

I believe that GSM cell phones, cellular routers, and other devices that regularly handshake using a radio can cause interference that sounds like that. Do you have a device like that anywhere near your setup?

A word of warning, because it sounds like your friend may have an AMD E-series APU (E-240, E-300, E-350 or E-450). The CPU portion of that chip would hold back even the weakest graphics cards, and they wouldn't perform any better than the onboard Radeon 6310/20. I would definitely double-check...

Officially, Apple only supports 4GB of RAM per slot in the 2011 MBPs, but the Late 2011 model is known to work with up to two 8GB sticks (confirmed by OWC: http://eshop.macsales.com/memory/maxram). So your RAM cap is actually 16GB, and a single 8GB stick would probably work. That being said, I...