n5110 no blueteeth and slooww

I don’t why I am spending another minute on this n5110. It has burned up tons of my time and now I have problems again. I had tons of things recommended to be done for a svc host problem that I had to ultimately find how to fix myself and had very little help with clean install problems of the os. I completed it finally and seemed to have it working properly, at least if it going to 100% cpu just by looking at it is proper. I am having problems with it connecting my Bluetooth devices. I reinstalled the Bluetooth drivers but I noticed I still have no listing for bluetooth in device manager and taskbar says it is not available so I can’t even check the settings there. Do you have any idea why this is? Also why does this pc seem to always be running 100% or near that if I just look at it? I have run the Dell tests and they are all good. I have had some slow pc’s especially old timers, but I have never seen one that acts like it has no extra capacity beyond being able to just run the screen. It seems like something must be wrong. I can hardly even just run email and surf some net at a normal speed. I can’t imagine trying to stream video, maybe not even audio or play a dvd. I like Dell monitors and have had pretty good luck with Dell products , but this one has really been junk for me. Thanks for any help or a good device to smash this thing and cure the whole deal.