Older Computer giving me so much trouble please help!

Jan 18, 2019
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Alright so I've made multiple posts on LinusTechTips but they all lead to new problems and nobody seems to reply to them and help me further, so hopefully someone can be my saving grace, to start off this is an older computer that I got from a family friend and basically its original problem was the hard drive because it wouldn't boot windows and we'll I bought a new hard drive online, and I put that all in well I had a USB recovery media tool and tried to install Windows on the new hard drive well it sometimes would boot sometimes it would just crash and bring me to automatic repair and it couldn't repair, sometimes it would bring me into an endless loop of restarting the computer and then somewhere it would just work again, I've tried two different HDD, the last and current one in I know for sure 100% works and already has windows on it, I've tried to unplug and replug the Sata and power cable, I've tried using every ram stick at a time, I've tried using the computer without the GPU, I tried resetting the CMOS, I've even tried using no HDD at all, I literally don't know what to even do, I'm close to just giving up the computer tbh, somebody give me some kind of advice please! Thank you!

And here's pics for people interested
http://imgur.com/CDGxKfI
http://imgur.com/d1Z5kBP
http://imgur.com/fFbwkLp
http://imgur.com/LKzH7Ws
http://imgur.com/raOK2Cd
http://imgur.com/0plnMnw