HT201191: Install memory in an iMac
Learn about Install memory in an iMac
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All replies
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Helpful answers
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by stedman1,Feb 8, 2014 10:33 AM in response to D._Paul Schuilwerve
stedman1
Feb 8, 2014 10:33 AM
in response to D._Paul Schuilwerve
Level 9 (73,714 points)
Apple WatchAre the specs as shown below?
16 GB
Memory Slots 4 - 204-pin PC3-10600 (1333 MHz) DDR3 SO-DIMM
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by Mike Sombrio,Feb 8, 2014 10:46 AM in response to D._Paul Schuilwerve
Mike Sombrio
Feb 8, 2014 10:46 AM
in response to D._Paul Schuilwerve
Level 6 (17,233 points)
Apple WatchAs stedman1 suggests, the specs must match exactly. If you've used a brand of ram that isn't from Crucial or OWC even IF the mfg states that the specs match they may not. Ram from Crucial http://www.crucial.com and
OWC http://eshop.macsales.com are tested and guaranteed to work with Macs.
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Feb 8, 2014 11:03 AM in response to D._Paul Schuilwerveby den.thed,Put the original factory RAM back in.
Send or take the bad or incompatible RAM back to the supplier.
As suggested, buy RAM from a reputable vendor that sells tested Mac memory upgrades.
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Feb 8, 2014 11:16 AM in response to D._Paul Schuilwerveby D._Paul Schuilwerve,The specs are correct and have used Corsair Mac memory. Have used this brand also to upgrade another iMac and a Macbook Pro
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Feb 8, 2014 11:47 AM in response to D._Paul Schuilwerveby den.thed,★HelpfulD._Paul Schuilwerve wrote:
The specs are correct and have used Corsair Mac memory. Have used this brand also to upgrade another iMac and a Macbook Pro
So have I, my Early Core Duo has had 2 1GB PC2- 5300 667MHz Corsair modules in it for years and has never had a problem.
If you are sure that the modules a fully seated in the slots, then the only conclusion is that there is something wrong with that RAM.