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Thread: Mac Mini Hardware Problem...I think

  1. #1
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    Jun 2009
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    Mac Mini Hardware Problem...I think

    Hi All,

    I have installed my mac mini in my car but recently I have been experiencing issues with regards to the mac starting up. Basically what happens is when the Mac starts, it flashes rapidly for about a second then I hear a long beep.

    I have been onto the Apple support website and read something about the combination of flashes and beeps, but none of them match my problem. I have opened up the mac and had a check that everything inside is secure (in case it came loose because of the bass).

    Also, I think this may be related, the power button does not seem to work? It does not power up or shut down the mac, although I am able to restart it.

    Any ideas?

    Thanks

  2. #2
    Newbie
    Join Date
    Jan 2008
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    1
    On a mac, when you press and hold the power button, it starts the firmware update process, which causes the power indicator LED to flash rapidly and is followed by a long beep. Since you stated that you are currently experiencing issues with you power button, I would think that it is likely the culprit. The power button is a momentary switch, but it sounds like yours is making constant contact.
    However, if this is not the issue, you might be able to use the following reference for apple support to diagnose the problem:

    Power On Self-Test Beep Definition

    "If a fault is detected during the test, you will not hear a normal startup chime. Instead, the system will beep as explained below. If you experience one of these beeps, you may call your Apple Authorized Service Provider for additional troubleshooting assistance.

    1 beep = no RAM installed
    2 beeps = incompatible RAM types
    3 beeps = no good banks
    4 beeps = no good boot images in the boot ROM (and/or bad sys config block)
    5 beeps = processor is not usable

    In addition to the beeps, on some computers the power LED will flash a corresponding number of times plus one. The LED will repeat the sequence after approximately a 5-second pause. The tones are only played once.

    Note: In this case, a flash is considered to be 1/4 second or 250 ms or greater in length. "


    If none of the above helps, try removing your RAM module and see if the problem persists.

    Good Luck!

  3. #3
    Newbie
    Join Date
    Jun 2009
    Posts
    5
    Thanks for that will try it and let you know how I get on.

    Thanks

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