Mac Power on self-test Beep

Discussion in 'Other' started by Tuen, Apr 4, 2012.

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  1. Tuen

    Tuen Staff Member Administrator

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    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
     
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