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  1. #1


    Member Since
    Oct 23, 2007
    Posts
    2
    MacBook max ON hrs.
    Hello ,

    I dont know whether this has been already posted but I would request your views on maximum continuos ON time for 2G MacBook.

    I do a lot of long hours downloading with my Macbook and would know what is the safest and longest duration for which Macbook can be kept ON (with charger ON) .

    Thanks
    Shwetank.

  2. #2

    TenderSurrender's Avatar
    Member Since
    Aug 02, 2006
    Location
    Suffolk, UK
    Posts
    1,458
    Specs:
    MBP - 2.66Ghz Core 2 duo, 4GB Ram, 320GB HDD, Geforce 9400m + 9600M GT (256mb)
    To be honest i dont think there is any unsafe limit. You may find your mac gradually slowing down after a long time being on. (days->weeks) but from a physical point of view it will be fine.

    ~~ TS ~~
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  3. #3


    Member Since
    Oct 23, 2007
    Posts
    2
    Talking thanks
    Thanks a lot for your view ...well that means i can safely run my Mac for average 14 hrs continuously ON.

  4. #4

    tmorgan1689's Avatar
    Member Since
    Jun 13, 2007
    Location
    NC
    Posts
    167
    Specs:
    2.16 Blackbook 1gb/160gb
    Mines been on for 8 days and 14 hours straight without a problem. I shut it down about once a week.

  5. #5

    walkerj's Avatar
    Member Since
    Feb 13, 2005
    Location
    New Orleans, LA, USA
    Posts
    1,186
    Specs:
    13" Macbook Pro 2.26Ghz Unibody 4G RAM 160G HDD Superdrive
    I keep mine on continuously pretty much every hour I'm awake, and leave it on (not sleeping) at night. The only times it's off is while getting transported between home and the office.

  6. #6

    Kash's Avatar
    Member Since
    Dec 03, 2006
    Location
    Irvine, CA
    Posts
    9,385
    Specs:
    Black Macbook C2D 2GHz 3GB RAM 250GB HD iPhone 4 iPad 3G
    Turned on without sleeping? I think I've gone two-three days with my Macbook when doing some downloading. With sleep, probably a couple of weeks

    June 2007
    July 2009

  7. #7


    Member Since
    Jul 14, 2007
    Location
    SF Bay Area, CA
    Posts
    589
    Specs:
    See Sig...
    There's no reason why you can't leave it on 24/7, really. It will shorten the lifespan of the machine, but you're not going to be using it in 20 years anyhow, so it really doesn't matter. The constant downloading may kill the hard drive sooner, but that's a consequence of the constant accessing of the drive more than it is a consequence of the drive being powered all the time.
    MCCCXXXVII
    Notebook RAM Buyer's Guide- How much, what type, what brand, where to buy, etc.
    MBP: 17" WUXGA/2.4/4GB/160GB 7.2K
    G4: Heavily modified Dual 533 DA

  8. #8

    D3v1L80Y's Avatar
    Member Since
    Feb 02, 2004
    Location
    PA
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    12,456
    Specs:
    MacBook
    Quote Originally Posted by shwetank View Post
    what is the safest and longest duration for which Macbook can be kept ON (with charger ON) .
    24 X 7

    And it won't decrease the lifespan. It is designed to be left running.
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  9. #9

    Jeff's Avatar
    Member Since
    Sep 30, 2006
    Location
    Kansas
    Posts
    805
    Specs:
    Black MacBook Black 2GB iPod Nano & Black 80GB iPod Classic B&W G3 G4's - PowerMac & Cube
    Mine's been on for 14 1/2 days. I have no reason to turn it off, so I don't.
    Black MacBook
    Black 2GB iPod Nano & Black 80GB iPod Classic
    B&W G3
    G4's - PowerMac & Cube

  10. #10

    Levi's Avatar
    Member Since
    Jul 06, 2007
    Location
    UK
    Posts
    681
    Specs:
    MBP : 2.4GHz : 2GB RAM : 256MB VRAM : 160GB HDD
    The only problem you might face is the battery life-span. Batteries hate heat (store them in the fridge if you're not gonna need it for a long time), but the heat build-up from just downloading is minimal, so I wouldn't worry about it. If you where encoding video all night/every night when it's plugged in to a power source, then I'd recommend removing the battery. Other than that, all is good.
    Koalas: The mafia of the animal kingdom.

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  11. #11

    JPerry2010's Avatar
    Member Since
    Jul 27, 2007
    Location
    Austin, TX
    Posts
    127
    Specs:
    Macbook Core Duo, 2 GB RAM, 250 GB HDD, Samsung 19" Monitor, 250 GB WD My Book, 16 GB iPod Touch
    You know, I don't think mine has been turned off work weeks, other than for a software update or two. I normally just put it to sleep when I bring it to class.

  12. #12

    JerrfyLube's Avatar
    Member Since
    Sep 22, 2007
    Location
    Cheyenne, WY
    Posts
    192
    Specs:
    MBP 2.4 Santa Rosa
    I had my macbook for about a year before i upgraded to a MBP...and i honestly dont ever remember shutting it down...EVER! I put it to sleep when id take it to class or on a plane or something but other than that, it never got shut off and it still worked just fine.

  13. #13


    Member Since
    Apr 17, 2007
    Location
    CA
    Posts
    71
    Specs:
    2 GHz C2D MacBook 2GB RAM 80GB HD
    53 days and counting.. would have been longer if I didn't have to install that last firmware update

  14. #14

    nZa's Avatar
    Member Since
    Oct 16, 2007
    Location
    Newport News, VA
    Posts
    242
    Specs:
    2.8Ghz MBP
    Quote Originally Posted by Levi View Post
    The only problem you might face is the battery life-span. Batteries hate heat (store them in the fridge if you're not gonna need it for a long time), but the heat build-up from just downloading is minimal, so I wouldn't worry about it. If you where encoding video all night/every night when it's plugged in to a power source, then I'd recommend removing the battery. Other than that, all is good.
    Your battery acts as a semi-surge protector for your Macbook. If you get a surge, the battery will absorb it and if damage is done, it's usually just to the battery.

    If you take the battery out, do you know where the power goes?

    Well it doesn't really matter, cuz it's something much more expensive to replace than the battery.

    Don't take your battery out while the laptop is running.

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