MBP freeze when no graphic activity

My model is MacBook Pro with retina display, 13-inch, purchased on late 2013. Recently updated to OS X Yosemite 10.10.2.
Everything worked just fine until two days ago, when I was surfing the web, the computer froze. I can't move the mouse and type anything. I had to shut it down by press the power button. Then I restarted it, it froze again shortly after I logged in.
I tried the safe mode and reseted the PRAM, didn't work. Online diagnostic, memory test and disk test reported no hardware fault. I then erase the whole disk and reinstall OS X for twice, same problem still exist. Computer always froze shortly after login.
I accidentally find something interesting for this problem. As long as I keep moving the mouse or play a video, the computer will not get frozen. I further found that as long as there is some graphic activity on the screen, the computer will keep running, once there is no graphic activity for about 5 seconds, the computer freeze immediately. (I tried keep typing something by keyboard, but it didn't prevent the computer from getting frozen).
Do you guys have any idea about this? Any help will be greatly appreciated. Thanks

I have the same problem. When no external monitor/TV is used, no issues ever. When using HDMI-DVI and using HDMI as sound output, freezes every 15-45 mins. When using just video, no audio, freezes every 30-90 mins.
When I called apple support, they said no known issues. I ran the low level Apple hardware diagnostics (ASD 3S138) OS and EFI, and my mac passed every single test. (DVI port is not listed on the diagnostic)
Everything is up to date, and my MBP is was purchased in August (3 months old).
My buddy has a MBP 13" from a year ago, before they added the capability to output sound through DVI-HDMI, and he has never had an issue.
This seems to be a hardware issue, and only seems to be happening on the 13" MBP with the new DVI out that allows sound that was released mid 2010.

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Message was edited by: Woo Woop

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If you have more than one user account, these instructions must be carried out as an administrator.
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MBP freeze when no graphic activity

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