Is it possible for overheating to crash my Mac?

Discussion in 'MacBook Pro' started by Vice92, Feb 18, 2011.

  1. Vice92 macrumors regular

    Jul 13, 2009
    I have a MacBook Pro and I recently got a MediaSonic 4-drive hd enclosure. I noticed after I started using it and transferring some large files from one hard drive in the enclosure to another in the enclosure, my computer would crash. I would get that message saying " you have to restart your computer". This happened ~3 times with the fan for the enclosure set to auto.

    I then switched it to its highest setting, and am just about to finish transferring a 80GB folder with no problems.

    Is it logical to assume the hard drives (there are 3 of them in this enclosure) were overheating, causing my computer to crash in order to protect them?
  2. GGJstudios macrumors Westmere


    May 16, 2008
    Macs are designed to shut down, not crash, when they get too hot. This usually doesn't happen unless temps are sustained at a high temp (higher than 105C) for a period of time. Also, hard drives are not a primary source of high temps. The GPU and CPU are the big furnaces.
  3. Fubar1977 macrumors 6502a


    Jul 30, 2010
    North Yorkshire, UK
    Agreed. In this case heat is unlikely to be the cause of your problem.
    As ggj said, the Mac will shutdown after sustained internal high temps.
  4. Vice92 thread starter macrumors regular

    Jul 13, 2009
    I understand my Mac will shut down, but isn't it feasible that this enclosure has a chip in it to prevent overheating as well?

    I've now transferred over 700GB's in the past 8hrs with no problems.
  5. SuperCachetes macrumors 6502a


    Nov 28, 2010
    Away from you
    Whether or not that is the case, the hard drive enclosure will not shut the Mac down. Isn't that what you are suggesting?
  6. GGJstudios macrumors Westmere


    May 16, 2008
    Not likely. Hard drives, as a rule, don't generate temperatures high enough to warrant shutting down a drive, and if it did have such a capability, it could only shut down the drive, not your Mac. As already stated, hard drives are not a primary source of heat in notebooks. If your Mac is crashing, the problem isn't heat-related.
  7. Animalk macrumors 6502

    May 27, 2007
    Montreal Canada
    Judging by what you are telling me and looking up the product:

    Your enclosure is failing to cool the drives when in automatic mode.
    Hard drives are not chips and have lower max operating temperatures. Not only this, Your enclosure is likely to have its own set of memory controllers that might also be overheating.

    You may also have one or more hard drives operating at too high of a temperature (very rare).

    Make sure the drivers and firmware for the enclosure are up to date. Make sure your operating system is up to date. Make sure whatever connection you are using is not lose in the jacks on both sides.

    Good luck.
  8. Vice92 thread starter macrumors regular

    Jul 13, 2009
    This is on the lines of what I think is happening too. I emailed the company to see if an updated driver is available, but until then I guess I'll just keep the fans on high.


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