Computer fell over now it’s running slow.?

Hello was moving some stuff around and knocked my computer tower down. It seemed fine but when i turned it on a stuff it is running super slow to wear i can’t even open adobe apps anymore. It boots up fine but just runs slow once i go to my main screen. I open it up and saw a cord hanging around that has p4 on it... show more Hello was moving some stuff around and knocked my computer tower down. It seemed fine but when i turned it on a stuff it is running super slow to wear i can’t even open adobe apps anymore. It boots up fine but just runs slow once i go to my main screen. I open it up and saw a cord hanging around that has p4 on it not sure if that’s the problem or not and not sure where to plug it back in if so. I have a dell optiplex 780.
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