Why does my mac beep when turning on
my mac mini beeps when turning on
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The beeps are to tell you what's wrong, let us know what you're getting for a possible fix:
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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