16 GB of RAM will not work correctly? Help appreciated!

So I recently had a 2009 Mac Pro 2.66 GHz and it came with 8 GB of RAM. Recently I bought 16 GB of DDR3 RAM, and I'm having a few problems...

If I put the stick in slot 1 and 2, location 1 gives a red light and it appears that 8 GB

If I put the sticks in the location 2 and 3, it works. But later my computer restarted randomly; If it is RAM related or not idk

If I put sticks in slot 3 and 4, I have the flashing as if no RAM installed

http://www.BestBuy.com/site/PNY-2-Pack-8gb-PC3-12800-DDR3-DIMM-desktop-memory-Ki t-green/5429106.p? ID = 1219650452869 & skuId...

↑ This is RAM I got.

It should be compatible because it says it is compatible with 1066 MHz...

The previous RAM was installed in the slots with 2 GB modules, so I think that the rules on the set of CPU being the question...

Record full of the computer:

2009 mac Pro

2.66 GHz Quad Core Xeon

8 GB RAM (soon I hope 16GB)

Two 1 TB Hard Drives, with OS X El Capitan one and the other with Windows 8.1

GT120

In addition, bit off topic but someone knows how I can get my bluetooth apple keyboard and the trackpad to work with Windows8.1 and El Capitan without having to sign in again? Because every time I start Windows I always get out a wired mouse so I can pass and connect to EACH TIME and then reconnect them to El Capitan... I mean, the keyboard or the mouse bluetooth operates at the level of the UEFI, so it must be seen with right of Windows?

Memory PNY is known to be problematic in Macs. get the memory of a place that guarantees that proper operation with your Mac. Place are Crucial and OWC/MacSales.

Return the PNY memory

Tags: Mac

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