beeps on startup means RAM problem: wrong RAM, Ram failure, or reseating necessary. No software problem, no main board problem, no disk problem (that's why it still works in Target Disk mode)" /> Mac Forums - View Single Post - 3 beeps on Startup, but runs perfect on Target Mode?
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LexS

 
Member Since: Sep 15, 2013
Posts: 17
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3 beeps on startup means RAM problem: wrong RAM, Ram failure, or reseating necessary.
No software problem, no main board problem, no disk problem (that's why it still works in Target Disk mode)
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