My MacBook has been freezing recently (last couple weeks) where it shows this checkerboard type pattern with various colours. It requires a hard reset to fix.
I've reset the PRAM, reinstalled Mavericks, and run a Hardware Check (came back fine).
Any idea what could be causing this?
I've reset the PRAM, reinstalled Mavericks, and run a Hardware Check (came back fine).
Any idea what could be causing this?

