Please run CPU-Z | Softwares | CPUID, open it and make screenshots of the following tabs
*SPD shows the details of each stick, you can show the details by choosing different slots in the left upper corner.
Please make screenshots of each stick.
Please post each screenshot in your next reply/replies.
Please remove all disks but one and remove all RAM sticks but one, for testing.
Please fill in your system specs
Please follow this tutorial
and download the tool. The tool will give you detailed information about your system specs, please fill in your system specs more completely including PSU, cooling and other used stuff like mouse, keyboard, monitor, case, etc.
The PSU, cooling and other stuff are NOT mentioned in the tool.
In the left corner below in your post you find 'My System Specs'. After clicking it you can find a link a little below that says 'Update your System Spec', click on this link to get to the page where you can fill in your system specs.