MacBook pro three beeps on start up
Hello my Mac book pro has just started beeping three times every 5 secs and will not start up. Is this a Ram issue? Not memory has been added or taken away.
[Edited by Moderator]
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Hello my Mac book pro has just started beeping three times every 5 secs and will not start up. Is this a Ram issue? Not memory has been added or taken away.
[Edited by Moderator]
Phil800w wrote:
Mac book pro three beeps on start up.
3 beeps is a RAM issue.
Try re-seating the RAM: MacBook Pro: How to remove or install memory - Apple Support https://support.apple.com/en-us/HT201165
you are testing for both bad RAM or bad bank—
one stick at a time in each bank, If the RAM sticks prove to work individual—and banks work individually.
Other known issues are:
worn clips
or
RAM banks slightly distorted/out of flat (use shims)
You can google for more information on these faults and the work a round.
Phil800w wrote:
Mac book pro three beeps on start up.
3 beeps is a RAM issue.
Try re-seating the RAM: MacBook Pro: How to remove or install memory - Apple Support https://support.apple.com/en-us/HT201165
you are testing for both bad RAM or bad bank—
one stick at a time in each bank, If the RAM sticks prove to work individual—and banks work individually.
Other known issues are:
worn clips
or
RAM banks slightly distorted/out of flat (use shims)
You can google for more information on these faults and the work a round.
Hi,
As far as I know, three beeps means RAM related issue. Try open bottom case and reseat RAM sticks and see if it solves the issue.
If it doesn't help, you'd need to replace RAM sticks with new one.
Thank to all the responses to help me fix my Noisy Mac. Worked like a dream and really simple to fix.
Well pleased.
MacBook pro three beeps on start up