4/28/2021 0 Comments Macbook Pro Beeps 3 Times
Possibilities include dislodged RAM, bad RAM, or incompatible RAM.If that doesnt work and you have previously upgraded the RAM, trying removing the new RAM and putting the original RAM back in your Mac.If that fails or you are unable to take that step, its best to make an appointment at the Apple Store Genius Bar or your local Mac specialist.
To do this I am trying to boot from an original Snow Leopard disc in the SuperDrive. I have no reason to suspect a problem with either the disc (no scratches or other signs of damage and it boots a Mid 2009 MacBook Pro just fine) or the optical drive (it loads other discs fine). I unscrewed the back, disconnected the battery, took out the ram, inspected for damage (none I could see), flipped the positions of the cards for good measure, and it booted fine. One additional problem that I had had was that if the keyboard flex when moving, the computer would shut down or restart. This is for anyone who reads this and goes my problem is so close but different like me. Its either one that belongs to another Mac or its a retail version thats earlier than 10.6.6. The beeping pattern described by the OP definitely means the OS isnt compatible. Book Pro Beeps 3 Times Update The InstalledSo, assuming theres no other unknown issues, then following my steps will work as long as they remember to do Step 5 (as thats what will update the installed version to a compatible one). Book Pro Beeps 3 Times Mac Boot SnowNot the answer youre looking for Browse other questions tagged imac boot snow-leopard startup. This site is not affiliated with or endorsed by Apple Inc.
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