I upgraded the memory on my iMac 21.5 mid 2010 in accordance with the instructions and now it continues to reboot and after a while the screen turns black and a beeping sounds occurs. Suggestions to resolve this are welcome.
iMac (21.5-inch Mid 2010), iOS 7.0.4
Are the specs as shown below?
16 GB
Memory Slots 4 - 204-pin PC3-10600 (1333 MHz) DDR3 SO-DIMM
As 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.
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.
The specs are correct and have used Corsair Mac memory. Have used this brand also to upgrade another iMac and a Macbook Pro
D._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.
after memory upgrade iMac crashes
