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o0laurennx3 Level 1 Level 1 (0 points)

I got my MacBook in September of 2010. It's a 2.66 GHz Intel Core i7 with 4 GB 1067 MHz DDR3. I have had great luck with it, until recently. This problem has been going on since like August now and it's time I should quit ignoring it. For some reason when I am just using my computer normally my screen goes black. Everything seems to be disabled but the keypad still lights up. The only way to get my macbook working again to to forcefully shut it off and turn it back on. Sometimes when i use the mouse a certain way (such as sliding 3 fingers to view other open windows) it shuts off. I have also updated my software from Snow Leopard to OS X Lion. I don't know what could be causing it. I have had some issues sending in laptops before to get fixed but I have a feeling it's going to come down to that. I'm a college student and use my computer daily and being a broadcasting major I need this computer for everything I do. Can somebody please help?

MacBook Pro (15-inch Mid 2010), Mac OS X (10.7.2)
  • shldr2thewheel Level 7 Level 7 (25,855 points)

    Insert disc 2 and hold the "d" key while turning on the mac.  This will bring up the Apple Hardware Test.  I recommend running the extended test.  Using the AHT:

  • softwater Level 5 Level 5 (5,370 points)

    Check that you haven't got hotcorners enabled:



  • o0laurennx3 Level 1 Level 1 (0 points)

    i know it's not the screen saver. the hot corners arent even enable. its a troubleshooting. i just dont know what's causing it.

  • Daggilarr Level 1 Level 1 (0 points)

    Book a genius appointment and take it to the store let apple sort it out its clearly a major problem. Did this start after the Lion update? it sounds like corrupted software.

  • tornado_osu Level 1 Level 1 (0 points)

    I'm having this same problem. I've already gone into the store once and they had for a week and couldn't solve my problem. I was able to replicate the problem but I used a non-Apple application to demonstrate and they told me to not use that program! It was a very popular app and I told them that answer was unacceptable. That was 6 months ago. The problem is still there and it's getting worse. I'm going back tomorrow. They better not have my computer for another week!

  • superben711 Level 1 Level 1 (0 points)

    I had a very similar experience. I brought it to genius bar and after two weeks with my computer they said they were unable to replicate the problem. They suggested that it be a software issue, but the problem on continues to get worse and they worked terribly with me at the store until asking me to leave.

  • ScratchSF Level 1 Level 1 (60 points)

    I have noticed this problem when I upgraded from Lion to ML.  Since I've downgraded back to Lion, I have not had a repeat.  I'm going to see how 10.8.3 is received before venturing to ML again.

  • superben711 Level 1 Level 1 (0 points)

    Thanks. So it must be a software glitch if I am currently running 10.8.2? My Macbook Pro was purchased in March 2011 if that helps to mirror your issue.

  • catkate Level 1 Level 1 (0 points)

    Since almost 6000 people have read this, maybe there is a problem?

  • adsybads Level 1 Level 1 (5 points)

    I have the same problem, on a new MBP Mid-2012. Not happy.

  • Freedom Coach Level 1 Level 1 (10 points)

    I've had the same problem for over a year intermitently on my 2010 vintage macbook pro. Running latest Mt Lion with 8 gigs ram and 1.5 TB drive. Reinstalled OS in Jan, ran fine for a while, then it started up again.


    Today it is going through one its intense cycles of off, on, off on. Now black for several hours. Fortunately, macbook pro is connected to external monitor so i can continue to get my work done.


    Former Genius mactech was adamant that it is a software problem sut sometimes i find this hard to believe because after a restart, screen is still black. i would think that a restart should return it to normal since the OS is being reloaded. Maybe not.


    I am clueless what software could be causing this. If anyone has even a remote guess on the possible culprit, we could test by turning that item off.

  • kokohp Level 1 Level 1 (0 points)

    I had similar problem with my MacBook Pro. Login window goes black in 4 seconds, but it is not turned off. Push power and screen comes back but goes black again in 4 seconds. I can type in password, but before it logs me in, it goes black.   If I connect to external monitor, the screen stays up, and I can use extermal mouse but keyboard input is ignored.  This was obviously display problem of the Mac, at the least. (no clue why keyboard does not work when connected to external monitor.


    I have solution: Reset PRAM

    1. Power down Mac compeltely.

    2. Hold down Option, Command, P and R keys (four keys total) while you press power button to boot up Mac

    3. Mac will restart at least twice. Listen to noise.  After 2nd power up, lift all keys.


    I kept holding down the keys and Mac restarted like 5 times before I released keys, then rebooting stopped. Mac now works. The article I read said "wait for 2nd reboot". I though it would stop after twice.


    In my case, I think use of extranal monitor confused Mac Book Pro eventually. I see no other side effects (such as loss of data on hard disk, resetting clock, resetting default settings etc) while I do reset, so I think this is relatively safe thing to try.

  • jlmarks Level 1 Level 1 (0 points)

    I just got my MBP in July and this has just started happening to me in October. It just randomly happens and the only thing I can see is the arrow pointer. How can I fix it?

  • anir59 Level 1 Level 1 (0 points)

    i just my MBP mid 2012 8GB ram 2.66 ghz i7 and tonight the screen went black, i can hear the tone start up . nothing comes up , removed the stick ram , reset ram by holding option key command , P+R , i cant even tell that is reseting the ram , anyone fixed this is issue before ?

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