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  1. #1
    Periodic "Blackouts" on MacBook Pro
    billwill's Avatar
    Member Since
    Feb 15, 2008
    Location
    Winston-Salem, NC
    Posts
    425
    Your Mac's Specs
    10 GB 13" MacBook Pro, 64GB WiFi, 128GB iPhone 7
    Rep Power
    12
    Periodic "Blackouts" on MacBook Pro
    I'm using a 2011 MacBook Pro with the latest updates and OS X.

    About a week ago, I'd be in the middle of a app, writing a document or scrolling through something when suddenly the screen would go black and the backlight under the keyboard blinked. After I hit the spacebar a few times, it came back right when it was earlier (I have no idea if touching the spacebar "helped.").

    I've used System Utility and run Malwarebytes, with both finding no problems.

    Does anyone have any idea what's going on? Thank you in advance for your expertise and kind attention.
    "Laughter is an instant vacation"
    - Milton Berle

  2. #2
    Periodic "Blackouts" on MacBook Pro
    MacInWin's Avatar
    Member Since
    Jan 01, 2009
    Location
    Winchester, VA
    Posts
    6,352
    Your Mac's Specs
    MBP 15" Mid 2015, iPhone XS, an iMac, plus ATVs, AWatch, MacMini
    Rep Power
    26
    What version of OSX/macOS? What size MBP? Some of the 2011 MBPs had dodgy graphic chips in them. Also, what are your settings for power savings (System Preferences>Energy Savings)?

    EDIT: Oh, and do you have a screensaver setting? (System Prefernces>Desktop and Screensaver).
    Jake

  3. #3
    Periodic "Blackouts" on MacBook Pro
    pigoo3's Avatar
    Member Since
    May 20, 2008
    Location
    U.S.
    Posts
    41,245
    Your Mac's Specs
    2011 17" MBP 2.2ghz, 16gig ram, OS 10.11.6
    Rep Power
    43
    Any idea if this was maybe the builtin screen saver kicking in?

    - Nick
    - Too many "beachballs", read this: Beachballs
    - Computer seems slower than it used to? Read this for some slow computer tips: Speedup
    - Almost full hard drive? Some solutions. Out of Space
    - Apple Battery Info. Battery

  4. #4
    Periodic "Blackouts" on MacBook Pro
    pm-r's Avatar
    Member Since
    Oct 16, 2010
    Location
    Brentwood Bay, BC, Canada
    Posts
    12,002
    Rep Power
    19
    Does anyone have any idea what's going on? Thank you in advance for your expertise and kind attention.

    Is this problem occurring often or just a one time thing or very intermittently???





    - Patrick
    ======

  5. #5
    Periodic "Blackouts" on MacBook Pro
    ferrarr's Avatar
    Member Since
    May 21, 2012
    Location
    Pawtucket, RI, US
    Posts
    6,524
    Your Mac's Specs
    L2014 Mac mini macOS 14, iPhone 8+ iOS 12, 12.9" iPad Pro 1 iOS 12, Pencil 1
    Rep Power
    13
    -- Bob --
    Please backup. Everything has a life cycle, unexpected and warning free. Nothing will last as long as you want it to.

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