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Thread: Mac Mini keeps shutting down/rebooting

  1. #11
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    well it's loose on my macpac, and on my wall connector.

  2. #12
    Newbie Red_Beard's Avatar
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    are you sure it isn't over heating? I have a Intel Mac in my room and sometimes on really hot days it will over heat and refuse to get far in the boot sequence until it cools down. I put it a board game top (risk) which is big, round and made of aluminum or something so it really is a good heat sink and then starts right up.

  3. #13
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    mine is still doing this S**t!!! it bugs the crap out of me. sometimes, like today, it didnt even boot up. it took it like 4 tries. then on some days, i drive with it sitting at an angle in my glovebox and doing some pulls with my car, going over some bumps, and it works fine!!

  4. #14
    Low Bitrate AJ3000's Avatar
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    ok if it was me i would try and get it working and running for long periods of time in a static environment I.E. your house. if it is running properly in the environment it is meant for, then that takes out the unit as being faulty. next i would think about heating. try mounting the machine somehwre with good air for a few weeks, even just bolting it to a bit of MDF wedged between your glovebox and the back of the passenger seat and run with the window down to keep it well cooled. again try a new PSU and see if that works.

    I had a similar sort of problem with an intel mini in my buddys FTO, and it turned out there was a vibration at certain revs that it didn't much care for and caused it to trip out and randomly shut down and reboot if the car was there for more than about 2 seconds (that was about 3600rpm btw), in which case, you might need to "cushion" the system with some form of vibration protector (we used rubber squash-washers and dynamat)

    hope this helps!
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  5. #15
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    FALLOUT:

    My mini was shutting down all the time without warning. I brought it into the house and it worked like a charm. I eventually installed temperature programs (i forget which one i have, but there are tons online) and realized it was overheating. My fans were not turning on and the mini was shutting down for safety purposes.

    My problem was the Voltage...I had the primary voltage on the carnetix set for 12 V. once I changed it to 18V, the fans kicked in and it has been working.

    Hope this helps

  6. #16
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    yeah bro i told you that remember?

  7. #17
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    anyways, i relocated my mini under the steering column so it now sits parallel with the ground. it hasnt turn off since.

  8. #18
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    I think I might be having the same problem. I recently took my mac mini out of the car to do updates, and now that I've put it back in, it wont start up sometimes, and usually when it does, it'll give this one, long beep. I made a custom dock for it, and the connectors are getting loose. However, I check the power connector, make sure its snug in the dock, and it still won't start. And to top it all off, I took a power connector off an old linksys router to use as the acpi connector, and when the mini does start up, it refuses to shut down when the signal is sent (yet still starts up from the same signal...)

    Help!
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  9. #19
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    Try booting it with nothing else attached to the dock except the power and the DVI output. If the connector isn't loose, it could be something on the USB or Firewire line that is messing up the boot.

    You say it works just fine in the house on the regular power supply, right? If so, the only answer is something is wrong with either your power supply or your dock. If it boots with everything disconnected, then it is stuff on the dock. If it still has a problem, it is the power supply or ACPI wires. Are you sure they aren't shorted out somehow?
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  10. #20
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    I'm sure the acpi wires aren't shorted out. I had that problem a while ago, where my connector was shorting out with the metal plate inside the mini. That caused the mini to crash 5 seconds after it turned on, so it can't be that. I've tried connecting it to only the power and acpi wire in the car, and it booted (only tried once, so i'll have to try again) I didn't change any drivers or anything (I'm using winXP, btw), so it doesn't seem plausable that its the usb devices.
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