Uptime on task manager wrong - or did I do something bad?

Kieran10

Prominent
Apr 1, 2017
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Hey,
So I think I turned off my power when I went to check my RAM, and GPU was not lose as I was moving my computer about quite substantially. Anyway I touched quite a few components. When I turned my PC back on it displayed a greater time than it had been active(30 Mins) In task manager.

Is this normal? Or did I do something bad? Is there any signs of this?

Thanks,
Kieran