Other users have found similar artifacts when running high-definition video.
Apple Discussions posterdallen33writes:
“Just got my new 17” MBP unibody.
I was watching an episode of 24 in 720p and green lines started appearing over the video.
I felt the notebook and it was incredibly hot."
It is also recommended to regularly run CPU and GPU-intensive programs to ensure proper function is maintained over time.
Test RAMLastly, users may wish to test the RAM by runningthis utility.
Things to Try
1.
Resetting the SMC is a little trickier, because it usually requires the removal of the battery.
For non-17" laptops, thisApple Knowledge Base documentcontains instructions for resetting the SMC.
Then press Shift-Control-Option keys on the LEFT side of the keyboard, and then press the power button once.
Let the computer rest for a few seconds, and then power it up again.
