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  1. #1
    HandBrake Question

    Member Since
    Jul 30, 2009
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    45
    HandBrake Question
    Last night I encoded a 180 MB video using Handbrake on my 13" MBP. It was my first time encoding a video and I'm just wondering if it's normal for the cpu to be at 100%? This caused my fan to spin up to 3000RPM and cpu temperature to skyrocket to around 95 degrees celcious. I was just wondering if this was all normal. Oh and one last thing, i'm getting around 45fps according to handbrake. Is that the average? Thanks.
    13" Macbook Pro - 2.53Ghz, 4GB RAM, 250GB HD

  2. #2
    HandBrake Question
    JohnCL's Avatar
    Member Since
    Jan 29, 2009
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    Quote Originally Posted by jayt View Post
    Last night I encoded a 180 MB video using Handbrake on my 13" MBP. It was my first time encoding a video and I'm just wondering if it's normal for the cpu to be at 100%? This caused my fan to spin up to 3000RPM and cpu temperature to skyrocket to around 95 degrees celcious. I was just wondering if this was all normal. Oh and one last thing, i'm getting around 45fps according to handbrake. Is that the average? Thanks.
    Handbrake will make the machine go crazy, does it here too.

  3. #3
    HandBrake Question
    Dysfunction's Avatar
    Member Since
    Mar 17, 2008
    Location
    Tucson, AZ
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    6,821
    Specs:
    Way... way too many specs to list.
    reencoding video is extremely processor intensive...
    mike
    This machine kills fascists
    Got # ? phear the command line!

  4. #4
    HandBrake Question

    Member Since
    Jul 30, 2009
    Posts
    45
    Yea, encoding a video will use up 100% of my cpu pretty much. But should the temperature of the cpu reach 100 degrees celcius? It took a while for the fans to kick up but once they did, it dropped to 92-94....
    13" Macbook Pro - 2.53Ghz, 4GB RAM, 250GB HD

  5. #5
    HandBrake Question
    cwa107's Avatar
    Member Since
    Dec 20, 2006
    Location
    Lake Mary, Florida
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    26,758
    Specs:
    15" MBP, Core i7/2GHz, 8GB RAM, 480GB Crucial M500 SSD
    Quote Originally Posted by jayt View Post
    Yea, encoding a video will use up 100% of my cpu pretty much. But should the temperature of the cpu reach 100 degrees celcius? It took a while for the fans to kick up but once they did, it dropped to 92-94....
    I'm not sure why people feel the need to obsess over temperatures and fan speeds. Your computer (and all modern computers) has a built-in Systems Management Controller (SMC) that will automatically engage the fans and adjust the speeds as necessary. Yes, modern notebooks run hot when doing processor-intensive tasks.

    These programs are more geared toward people who are overclocking their systems to run outside of normal specs. In those cases, it is necessary to "second guess" what the SMC is doing because it's not being run within tolerances. The principle is very similar to someone who performs extensive engine modifications in a car - custom ECU programing is often needed to keep the engine running properly.

    My advice would be to turn off the monitoring and enjoy your machine and stop worrying about this kind of stuff. If there was any kind of a problem, your computer would shut itself down (fail safes are built directly into the chips themselves).
    Liquid and computers don't mix. It might seem simple, but we see an incredible amount of people post here about spills. Keep drinks and other liquids away from your expensive electronics!

    https://youtu.be/KHZ8ek-6ccc

  6. #6
    HandBrake Question
    Stretch's Avatar
    Member Since
    Jan 13, 2007
    Location
    Central New York
    Posts
    4,773
    Specs:
    15in i7 MacBook Pro, 8GB RAM, 120GB SSD, 500GB HD
    95C is nothing. My iMac gets up to 120C sometimes when I start doing alot. But like CWA said, don't worry about it, the computer knows what it's doing.
    Blog and Photo Gallery: http://philolin.me/

    Currently running OS X 10.10

  7. #7
    HandBrake Question

    Member Since
    Nov 26, 2009
    Posts
    5
    My graphics processor over heated a couple of months ago and needed to be replaced by apple since without I had a completely black screen. I trusted my mac to look after temperatures by itself, but I don't any more.

  8. #8
    HandBrake Question
    cwa107's Avatar
    Member Since
    Dec 20, 2006
    Location
    Lake Mary, Florida
    Posts
    26,758
    Specs:
    15" MBP, Core i7/2GHz, 8GB RAM, 480GB Crucial M500 SSD
    Quote Originally Posted by cheesehole View Post
    My graphics processor over heated a couple of months ago and needed to be replaced by apple since without I had a completely black screen. I trusted my mac to look after temperatures by itself, but I don't any more.
    Let me guess, you're using a MacBook Pro with an 8600M GPU? If so, that is a known issue and will happen regardless of how hot your machine gets.
    Liquid and computers don't mix. It might seem simple, but we see an incredible amount of people post here about spills. Keep drinks and other liquids away from your expensive electronics!

    https://youtu.be/KHZ8ek-6ccc

  9. #9
    HandBrake Question
    dtravis7's Avatar
    Member Since
    Jan 04, 2005
    Location
    Modesto, Ca.
    Posts
    28,481
    Specs:
    iMac late 2007 10.11.b4, iMac 2008 10.10.5, Macbook2007 10.7.5, Mac Mini 10.7.5, iPhone 3GS Note 8!!
    Agreed with CWA, that was an Nvidia chipset issue and could affect any machine with that NVidia GPU and not just macs. Again Apple gets blamed for a hardware item that many others use and someone else makes.

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