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Member Since: Dec 09, 2010
Posts: 3
n1980 is on a distinguished road

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I recently did an upgrade to add additional SSD to iMac 27' mid 2010, with all the official cables, bracket, etc.

everthing worked great.
but now 1 day later i discovered that my 16GB show up as 8GB!
after testing every memory slot separately - turns out Upper right memory slot now cant read any RAM (Ram is fine in all other slots). When i start mac with any memory in this slot alone - the screen is black and its a beep with a long pause, then a beep again (having 2 RAM modules in upper row - same thing)..

I know the slot was working before - since I tried 16GB before SSD upgrade.
So with all 4 memories it shows up as 8GB. when i remove RAM from this upper right slot - 12GB get registered from the remaining 3 slots.

After removal of logic board I think, i've heard a tiny loose part and found that loose "connector".
I just kept it.
Now I have all the reasons to believe that this connector caused this 1 memory slot to be not working.
Anybody recognizes what could that be?

if you could mark on these photos of logic board where to pay a very close attention (obviously somewhere in memory slots).
Attached Images
File Type: jpg connector.jpg (703.7 KB, 10 views)
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