Mind your language, you can see a vacation from the forums for use of vulgarity. We can all understand you're frustrated with your predicament but we're only trying to rule out other factors, factors that will potentially hold you back, one of which is your drivers. On that note we all post here on a voluntary basis so please be patient when we're getting around to all the other posts on the forums.
PSU's come in many shapes and sizes and most of them also come with various labels stuck onto them. Like all components in a system, a quality component will ensure that you're coming back to a system that will power back up after shutdown. If you're relying on a generic PSU that can take out your system like the 4th of July fireworks session, this thread is moot and our suggestions mean squat.
Now to your previous question, if you've followed through standard protocol of using DDU to uninstall and reinstalling your GPU drivers with the latest drivers for your new GPU+making sure your OS isn't corrupt and the rest of your drivers are up to date and you're yet not being able to play CS:GO then you've got a problem since the 6th Gen i3 is more than capable of being an esports gaming capable CPU.
^ Further reading
Don't be surprised if a benchmark score for your CPU is lower than the score found off an i5 system since they differ in terms of CPU architecture. Have I gone as far as asking you to open task manager in Windows 10 to see how much resources your system is consuming when idle?
There is a checklist of things to go through before one comes in and says that it's bad or good. Period.