Mac Pro RAM, Audio, Bluetooth mouse problems

I recently bought an Apple factory refurbished Mac Pro (end 2013) and replaced the three-chip RAM of 4 GB with 16 GB of Crucial two chips. Everything was great for the first two weeks. Then I started having a strange audio problem. Audio would become suddenly agitated. I disconnected and reconnected the speaker output and it would start working again. Finally, unplug the unit and plug the unit has stopped working (audio would eventually just stop working completely... zero sound with or without the speaker plugged in...) and I had to restart the computer.

Then one day I noticed that only 16 GB of RAM showed up (I run own memory, so he's in my toolbar). I opened the machine and moved the two chips on the other side and when I rebooted, I got 32GB again.

Then I noticed that when the audio problem came once again (he seems to be after the computer has been for a few hours or more) my Apple bluetooth mouse would disconnect and reconnect intermittently... ONLY when the audio starts to get restless again.

I zapped the PRAM several times and now I get the 32 GB of RAM only after disconnecting the chips and MOVING them to another location, but not all the time. The audio port will begin to spoil, I reboot and I'm back to 16 GB.

So, is it bad RAM? I removed a single chip and the audio problem still happens.

Anyone have this problem? Apple Care suggested I bring it in the Apple Store, but I thought that I ask here before go this road, just in case there is a known issue.

Thank you!!

Rick...

To establish if it is a RAM problem, remove 16Bb sticks and replace the original 4 GB sticks.

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