Recent content by jiggybyte

It actually depends on your screen size. If your MacBook Pro mid-2012 is a 13-inch, then you're still using the original 60watt MagSafe (not 2). If your screen is 15-inch or larger, then the mid-2012 will require an 85-watt MagSafe 2. These are all for Retina displays. If your MacBook Pro...

There haven't been "installation disks" available since 10.6 Snow Leopard, but you can definitely update your operating system for free directly via the Mac App Store. It should automatically show you the most recent version your system can handle, which in your case is High Sierra (the latest...

Sounds to me like a potential logic board failure, specifically with the integrated GPU. I doubt it's the display panel itself since you can recreate the issue so repeatedly. Either way, it's a vintage model so Apple won't service it, and I wouldn't put logic board bucks into a 2011 MBP. Does...

No, you shouldn't be creating any issues using your system via it's power adapter as a main power source. It's designed to provide enough power to not only provide AC power but to charge your battery as well. Obviously under really heavy loads it may struggle, but I don't think you'll experience...