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MacBook Pro screen blinks

My new MacBook Pro display screen is blinking or flickering every few minutes now. I've only noticed it when I've switched to the integrated 9400M graphics processor. I don't recall seeing any blinks when using the discrete 9600M GPU. Usually it is only the top half or so of the display that blinks or flickers for a split second. Anyone else having the same problem?

MacBook Pro (Late 2008), Mac OS X (10.5.5), tv, iPhone, iPod Touch, et al

Posted on Nov 28, 2008 5:28 PM

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1,610 replies

Oct 13, 2011 9:48 AM in response to denrk

denrk, mate, if you can do without the machine for a few weeks, get it into an Apple Store before AppleCare runs out.


If you're lucky they'll fix the problem (and your trackpad, too) 🙂


If you're very lucky you'll walk away with a new machine 😉



Honestly, anyone who has this problem, has AppleCare, and can do without the machine while they're fiddling with it... do it! 🙂


My AppleCare runs out on the 23rd, so I'm really chuffed that I had it seen to when I did.

Oct 13, 2011 11:04 AM in response to Squinoogle

I +1 the experience of Squinoogle. For the 4th time, I brought back my MBP to an Apple Store/APR, after 2 motherboard and 1 whole screen replacement. The nice Genius expert proposed me to replace the machine with a brand new MBP 2011. I must confess I didn't hesitate that long. It should take 2 to 3 weeks so now I waiting for the call telling me my computer is ready to get picked up.

Of course you need to have the AppleCare AND to show a nice but dissapointed face instead of an angry one, screaming about the lack of professionalism of Apple.

Show your "good faith" and if possible shoot a movie of your screen blinking (on battery, without it, every configuration that do it) so that you don't have to wait for ten minutes with the Apple guy expecting a blink and unfortunately is looking at your girlfriend when it finally blinks.


Well it's worth it. 🙂

Oct 14, 2011 8:11 AM in response to munchnstuf

Finally I found someone cool on the phone and apple is going to send a transporter to take my MBP and send it to a maintenance center. My applecare runs out in less than a month, so I don't have much hopes about the whole thing… I just hope that : 1/ they'll do something at all about it, and 2/ that I don't end up with a machine that is even worse than it is now…

Oct 23, 2011 9:56 PM in response to erg255

After nearly 3 years of blinking, I finally got my fix.


Lived with it for over 2 and a half years. When I realized AppleCare was going to expire in 5 months I started my pain staking process of trying to get it fixed. Took 4 trips to the apple store, 2 logic boards, 1 display, 1 unable to reproduce problem. Still blinking, went in today with a video recording of the the blinking, genius recommended replacing the hard drive, logic board again, and display again. He disappeared for awhile, came back and said we are just going to replace the whole darn thing. Went in to the back grabbed a brand new 2011 MBP 15".


Persistence pays off. The guys at the genius bar were awesome everytime. Go to love Applecare.

Oct 27, 2011 6:52 PM in response to fekimoki

I phoned my local Apple Service provider (not a real Apple Store) and they said IF I decide to fix it, they'll charge me because I'm out of warranty (not surprising). Those fixes are: new logic board, etc.


After reading this thread partially, I found someone pointing about the thermal paste bug and soldering thing by Nvidia. I got the idea to re-apply the high quality thermal paste on those 2 nvidia chips (especialy the 9400 one). Instructions by ifixit.


The question is, have someone tried this before? Still fail or not?

Oct 27, 2011 11:51 PM in response to fekimoki

I still have to hear back from my service provider. Keeping fingers crossed.😎 I pointed out this thread and the fact that replacing the locigboard and/or screen does not fix the problem. I would be very dissapointed in Apple if they let this one slide.


I do not think that readding thermal paste will fix the problem. The soldering will still be bad.

Oct 28, 2011 12:27 PM in response to munchnstuf

My MBP is back with a new motherboard. No more screen blinks on the 9400 so far, I don't know if that will solve the issue but most importantly, the 9600 and CPU are not overheating anymore (used to go both to 90-100°C on 3D games, now around 20-30° less than that), so I'm pretty happy. I might be able to keep that computer and upgrade it with 8 Go and a SSd after all 🙂

MacBook Pro screen blinks

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