CPU throttling after plugging in charger cable windows laptop.

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BrarSukh

HI, my cpu is supposed to run at 2.90 ghz but when I plug the charger in the fan stops and it drops down to 1.59ghz impacting performance.My power plan is high performance and runs fine on battery power.No heating issue, original OEM chargerMy laptop is a HP notebook 15.6 inch.Please help fast.

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