Question Can anyone help me?

Oct 22, 2019
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I don't know why when I play games, my CPU doesn't work normally.
as unstable at the GHz speed.
and this happens not only when I play games, but also happens when I do activities as usual for college and so forth.
I don't know what happened to my laptop, even though my laptop had never been slammed before.
I use Asus A456U, i5-7200u, Geforce 930MX, 8GB RAM upgrade, 1Tera HDD.