Memory error after adding more ram

I tried to install another 32, Gigs of ram on my computer, but when I try to start up afterwards I keep getting a memory installation Error from the mother-board. all of my ram is the same and it will start up with any 2 of the 16 gig chips, but not all 4 of them. I have the 64 bit Home version of Win 10 as my OS so it should support all of the ram.
What am I doing wrong?
 
Check specifications - many boards max at 32 - some RAM can be limited so check QVL in detail.

Try just one of the new ones - just one at a time - in the 'optimal' slot as per manual.
 
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