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Question: imac 21.5" 2009 late ram upgrade

hi,

I want to ram upgrade imac 21.5" 2009 late but I have got error.

imac is working with Hynix 2GB DDR3 Memory SO-DIMM 204pin PC3-10600S 1333MHz HMT325S6BFR8C-H9 and 1GB ELPIDA DDR3-1333 PC3-10600 SODIMM now.


apple support

Install memory in an iMac - Apple Support

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I bought HI-LEVEL 4 GB 1066 MHZ. DDR3 SODIMM RAM but its did not work on imac

imac gave error alarm and did not start

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I want to upgrade from 3GB to 8GB ram.

which ram is correct?

thank you





















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Mar 15, 2018 4:33 AM in response to vzrmacos In response to vzrmacos

The RAM you purchased is the correct RAM for your iMac. However, it may be poor quality, one or both modules could be defective, they may not have been inserted correctly, etc.


Most here recommend OWC or Crucial memory.

Mar 15, 2018 4:33 AM

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Question: imac 21.5" 2009 late ram upgrade