Computer slow and choppy all of a sudden.

MangekyoSharingan

Reputable
Mar 25, 2015
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4,510
My computer suddenly became slow and choppy about 2 months ago. There was no software installation and no hardware changes but still it started becoming choppy right from startup. Games stuttered, startup took like 10 minutes. I decided to format the computer and reinstall the C drive. After I did that, it run smoothly for a couple of days, but again, today, it has been having the same problem. I ran multiple virus scans, anti-rootkit scans, reinstalled my graphic drivers, but in vain. Any help would be greatly appreciated. Thanks :D (Sorry for my bad English)