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  • Mac Mini keeps shutting down/rebooting

    Since I pulled my mini out a few weeks ago to hook up my new lilliput, I've been having this problem where the mini reboots or shuts down unexpectedly (like, while I'm driving around). If it ends up rebooting, sometimes it just comes back on (after a full boot of course) but other times the mini will actually beep (I think it beeps for 2 to 3 seconds -- it's probably better described as a continuous tone instead of a beep). Does anyone know what this means?

    I experienced a similar problem when I first installed the mini. Back then, the problem was that it either wouldn't get turned on by the carnetix power supply or when it would turn on, I would get the tone instead of a boot. At the time, I thought I traced the problem to the power connector (the one that connects directly to the mini). I had it embedded into a dock and my interpretation was that the dock was just slightly out of alignment. I made the hole for the power connector slightly larger and the problem went away -- until now. Do you guys think it's the same or similar problem?

    Since the problem crept up again, I've readjusted the power connector 3 or 4 times and I might be able to get it to work for a day but then I'll end up coming back to the car and it won't turn on or it'll just turn off during a drive or maybe I'll get the tone.

    Any suggestions would very much be appreciated!!

    -Andrew

  • #2
    hey man, im thinking im having a similar problem. I get the "Please restart your computer. hold down the power button for several seconds" display. When I drive around hard, it tends to happen. Just tonight, going to dinner I noticed that when I turn the power on, the mini will shut down, then turn on, fail, then try to turn on again. Either my electrical connector is loose and isnt in all the way or by my mini sitting in my glovebox in a weird angle it tends to not function properly.
    My RSX Carputer finished!

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    • #3
      That's weird because I've never seen a message like that before. Mine just shuts down so I assume it's either the sleep button connector, the power connector, or the power supply.

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      • #4
        Sounds to me like a faulty power connector. Is is an Intel Mini? Could it be a problem with the iSense mod?
        Originally posted by ghettocruzer
        I was gung ho on building a PC [until] just recently. However, between my new phone having internet and GPS and all...and this kit...Im starting to have trouble justfiying it haha.
        Want to:
        -Find out about the new iBug iPad install?
        -Find out about carPC's in just 5 minutes? View the Car PC 101 video

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        • #5
          I have only seen this issue when my power connector was loose or dirty.

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          • #6
            my mac pac cable did seem a little loose. Also ran with the glovebox down so the mini was probably < 45 degrees. went through some bumps, went full boost from a dead stop, and the mini didnt hiccup once. I got through the 60 mile trip to work just fine.
            My RSX Carputer finished!

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            • #7
              You will sometimes get the black screen of death when there is a USB failure. If you are doing full boost hard acceleration over bumpy surfaces, it is entirely plausible that unless you have your connectors glued in place that you could cause a USB problem or a power issue.
              Originally posted by ghettocruzer
              I was gung ho on building a PC [until] just recently. However, between my new phone having internet and GPS and all...and this kit...Im starting to have trouble justfiying it haha.
              Want to:
              -Find out about the new iBug iPad install?
              -Find out about carPC's in just 5 minutes? View the Car PC 101 video

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              • #8
                So, the mini (it's a g4, not an intel) has been out of my car for a week now and I still haven't figured out a good solution. I popped open the case to see if I could somehow bend or fix the power connector on the inside of the mini but it was pretty inaccessible. I was thinking I might epoxy the power cable to the mini case but then I realized I wouldn't be able to open the mini for repairs/hard drive upgrades/etc... I checked the cable with the mini outside of the car and it is pretty lose, even when plugged all the way in there is a lot of side-to-side play. Bottom line is, I still don't have a clear solution to this.

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                • #9
                  mine is a little loose, plan on wrapping the plug to get a better seal. im going to try to use F4 tape. It's a silicon based tape which sticks only to itself, but can be pulled tight to achieve a waterproof seal.
                  My RSX Carputer finished!

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                  • #10
                    Is it the connector on the Mini or the plug on the power supply that is loose? Can you try a different power supply to see if it fits snugly?

                    You can always just glue the plug in place, cut the cable downline and install a molex type connector on it so you can get it out of the car. Not elegant, but it would work.
                    Originally posted by ghettocruzer
                    I was gung ho on building a PC [until] just recently. However, between my new phone having internet and GPS and all...and this kit...Im starting to have trouble justfiying it haha.
                    Want to:
                    -Find out about the new iBug iPad install?
                    -Find out about carPC's in just 5 minutes? View the Car PC 101 video

                    Comment


                    • #11
                      well it's loose on my macpac, and on my wall connector.
                      My RSX Carputer finished!

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                      • #12
                        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.
                        The one and only MacCruiser

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                        • #13
                          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!!
                          My RSX Carputer finished!

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                          • #14
                            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!
                            East Coast Audio UK

                            Daewoo Lanos "Woo of Doom" Show Car

                            Fabrication 4%
                            Bodywork 0%
                            carputer 1%
                            Finish Line - not even in sight!
                            TOTAL SPENT SO FAR 250

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                            • #15
                              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

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