Pc is acting strange

[Splashychicken]

Ok, so my pc was built in 2008 by my brother he recently got a new Asus laptop and was willing to sell this one to me. I was up for upgrading this pc and making it my own it was working fine for a while. I bought a gt 740sc and put that in extremly clumsily and broke the the built in soundboard on my mother board. So after finding that out I got a new hybrid drive thinking it would speed up my pc a little bit. it was working great...for a while until the pc starting freezing, crashing, and not responding to almost every application I clicked. So I just kinda gave up and put it in my closet, sometimes I'd want to play it and hook it up again and finding out it worked significantly better than last time I was using it. after booting up a game it went back to its old self freezing on start up of the game. I wasn't suprised I tried to clean the registry and looked at many fourms, nothing helped me. I just recently reset the drive and it was working "okay" it was still having trouble opening Web browsers and booting up. it them would get stuck on the windows loading screen before the sign in screen I am running Windows 10 and it has the windows logo with the rotating dots. I tried to see if it was a corrupt drive by changing it to my old 500gb hard drive and having the same results as the last drive. I checked the motherboard to see if any cabled were loose or something obvious. I couldn't see anything sticking out so I put the pc back and I am now reseting it again. I am very hopeful that this community will go through the time of reading all of this and hopefully help me fix my problem. 

Thank you

 

[pithball]

Might be drivers, try and uninstall your old drivers, and install new ones.