[SOLVED] Why Is my i7700hq automatically under clocking itself please help

Feb 12, 2019
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So my Dell xps 9560 that I bought manufacturer refurbished, I had not realized it till I thought "this thing is having a harder time doing simple web browsing than it should have". so I got some software to see monitor the cores and voltage, and to my surprise it was always staying at .78ghz, no matter what I was doing, ideling, or playing light games. it was always at .78 ghz. and above it even says that my cpu's base clock is 2.8ghz. it kinda suck knowing you have 2 more ghz on standby that you cant even use.

I don't know if this is from previous overheating damage and I was just sold a laptop with cpu damage.

Is there any way I can fix this like with some software to..... base clock my under clocked cpu?

As you can tell by this post im not extremely versed in technology. so anything helps. and I hope im not too cringy. thanks.