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I've installed a new additional module. in a new iMac. under memory it shows the slot filled. However, on sign in under overview on about this Mac it shows memory as only factory installed. Dfo I have installed memory or not?
Try resetting the PRAM, NVRAM and SMC.
https://support.apple.com/en-us/HT201295
https://support.apple.com/en-us/HT204063
I’ve had to do this when upgrading/installing memory even when the RAM is from OWC or Crucial. I hope this helps.
Try resetting the PRAM, NVRAM and SMC.
https://support.apple.com/en-us/HT201295
https://support.apple.com/en-us/HT204063
I’ve had to do this when upgrading/installing memory even when the RAM is from OWC or Crucial. I hope this helps.
What module did you install? (supplier, brand, spec's, speed, size, etc.)
Mac's are very picky and it is best to purchase modules from suppliers that specialize in Mac RAM, like OWC/macsales.com and Crucial.com.
Thanks for responding. Bought through Newegg which was recommended by Apple sales guy. Part came from California., “addon +, 8gb DDR4-2666MHZ. 1.2 V, part number AA2666D4SR8S/8G. Since it doesn’t show up initially that means it’s not integrated into the system? Shows in slot only
another answered said to download remover from Kellyconsulting. The Mac won’t let me run that and the download doesn’t want to be removed. Any thoughts?
thanks again
While those spec's appear to be the same and correct. Once again I stress that Mac's are very picky and standard PC RAM with the same spec's, are not actually the same. Plus it is not required, but it is best to install modules in pairs.
I suggest that you return that module and buy a pair of iMac tested modules directly from either OWCmacsales.com or Crucial.com.
Thanks the package said tested. Point re dual modules noted
i wonder if the fact the Mac didn’t seem to have an extra dark period on startup meant that some installation mechanism didn’t kick in? I didn’t remove ate existing modules. How about removing and reinserting??
It's not a remover. If you saw this message it's OK to download:
Run rember:
If you already downloaded it and got a message that your security preferences don' t allow it you can choose to open anyway in System Preferences > Security > Open anyway.
Thanks but that option didn’t come up. They really think you are malware
Yes, it might help to make sure that the additional module and the factory modules are all firmly seated in their slots.
Billy979797 wrote:
Thanks but that option didn’t come up. They really think you are malware
Not on my Mac. I just tested and it works as expected. It's definitely not malware.
memory module installation
