what is the problem on the MacBook when it’s beeping three times and then pause for five seconds?
what is the problem on the MacBook when it’s beeping three times and then pause for five seconds?
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MacBondad wrote:
what is the problem on the MacBook when it’s beeping three times and then pause for five seconds?
That is a RAM issue on older Macs—try re-seating the RAM if user re-placable.
from 2015 archive:
https://web.archive.org/web/20150407215054/https://support.apple.com/en-us/HT202768
See: MacBook Pro: How to remove or install memory - Apple Support
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:
or RAM banks slightly distorted/out of flat (use shims)
Solder joints can fail especially the lower bank neareast the bottom cover plate typically not the upper bank. If you pressing on the back or moving the machine it maytrigger the issue.
Usually a lifetime guarantee on RAM from third party source like:
https://eshop.macsales.com/shop/apple/memory/
new Macs RAM is solder to the board and not removable...
If your Mac beeps during startup - Apple Support