So basically my mid-2012 unibody mbp 13" has some issues with the displayport. It works and I can use a monitor with it, but when it goes to sleep mode and then comes back on, the monitor doesn't show anything as if it's still in sleep mode. The monitor is being detected and does show under...
Just traded my 2012 rMPB with my buddy's 2010 5,1 Mac Pro 12x2.66 with the 5870 card. He's used it for years with the old Apple 30" monitor which used a (dual-link) DVI. He's never used the minidisplay ports.
I initially had the Mac Pro hooked up to a cheapo 1920x1080 monitor via DVI for a...