Reduced cpu multiplier when laptop is charging hp pavilion 15

[Twiddy]

Hi everyone, having a ongoing issues with my hp notebook.  The issues seems to be when ever i plug in the charger (120W) , the laptop becomes really slow. I used a program called Speccy and noticed that the cpu multiplier goes down to x4.00 when the charger is plugged in and will not budge.

i've looked at the power options and made sure everything is on best performance.

I've  updated my BIOS to the latest version

I've updated all HP software and my drivers

I've done a little tinkering in the registry, added PowerThrottleOff to the registry, and changed intellppm start from 3 to 4

I've tried looking at BIOS settings but there's not many options there.

O.S WINDOWS 10 64BIT

INTEL i7 processor 7500U Dual Core

any help would be appreciated 

thank you 🙂

[The_Fossette · Accepted solution]

@Twiddy

I reviewed your post and I understand that the computer is running slow when the charger is connected.

Don’t worry, I assure you I will try my best to get this sorted.

What is the product number of your computer?

Meanwhile, I recommend you run a system test on the computer following the steps in the below article to make sure that there are no hardware issues.

https://support.hp.com/in-en/document/c03467259

Let me know how it goes and you have a great day!

P.S: Welcome to the HP Support Community 😊

If you wish to show appreciation for my efforts, mark my post as Accept as Solution. Your feedback counts!

Cheers!

Stay Home – Stay Safe