is my MBP HD faulty? movies freezing when MBP moved/shaken...

Discussion in 'MacBook Pro' started by volcom883, Oct 10, 2009.

  1. volcom883 macrumors regular

    volcom883

    Joined:
    Sep 29, 2008
    Location:
    istanbul
    #1
    hi,
    i dont know this used to happen before but ive noticed it a couple of times recently that every time i moved my MBP when putting it on another surface like a bed or sofa [obviously the HD shakes a bit] and the movie thats playing freezes for 1-2 seconds.

    can you do this test for me:
    put the MBP on your lap, play a movie, lift the left side about half an inch then drop it. mine freezes..

    is that normal?
     
  2. Eidorian macrumors Penryn

    Eidorian

    Joined:
    Mar 23, 2005
    Location:
    Indianapolis
    #2
    It might be the Sudden Motion Sensor in action.
     
  3. tenderidol macrumors regular

    tenderidol

    Joined:
    Sep 5, 2009
    #3
    What's with the sudden rush of posts related to sudden motion sensor. Just read this to help you understand how the process works:
    http://support.apple.com/kb/HT1934

    Basically, once SMS is active it moves the heads of your HD out of the way to avoid data loss; that's the reason your movie freezes for few seconds because the write/read operation is halted briefly. HTH...
     
  4. Dan73 macrumors 6502a

    Joined:
    Jul 30, 2009
    #4
    Well others already answered why its doing it but


    STOP SHAKING YOUR LAPTOP! Its seriously bad for it. :eek:
     
  5. ryannazaretian macrumors 6502a

    ryannazaretian

    Joined:
    Sep 21, 2008
    Location:
    Mississippi
    #5
    I think it's a flaw. The sensor is way too sensitive. You can't watch movies on the road because a small bump will park the drive. Heck, I can bump my desk and I can hear it park.
     
  6. aristobrat macrumors G4

    Joined:
    Oct 14, 2005
    #6
    Same here. My MBP has the Apple-issued 7200 RPM drive in it, and I swear I can glare at it and it parks itself. :mad::D
     
  7. tempusfugit macrumors 65816

    Joined:
    May 21, 2009
    Location:
    Chicago
    #7
    this kind of thing makes me really wish I could afford to overpay for an SSD.
     
  8. tenderidol macrumors regular

    tenderidol

    Joined:
    Sep 5, 2009
    #8
    If you find it too sensitive, just disable it... I've used laptops for years without SMS and never had HD failure, while the "stationary" desktop had 3 HDs failed so far in it...
     
  9. Eidorian macrumors Penryn

    Eidorian

    Joined:
    Mar 23, 2005
    Location:
    Indianapolis
    #9
    As usual reset your PRAM and SMC first. :)

    It would have saved me an embarrassing trip to the Apple store if I had.
     

Share This Page