Ram only 8GB of available 16Gb

Solution
your computer is using all 16gb. 8gb is being used as hardware reserve so one or more of your computer devices is using a lot of ram (most likely your video card). hardware reserve is self adjusting so not much you can do to control it besides unplug unneed devices
your computer is using all 16gb. 8gb is being used as hardware reserve so one or more of your computer devices is using a lot of ram (most likely your video card). hardware reserve is self adjusting so not much you can do to control it besides unplug unneed devices
 
Solution