Windows 10: Laptop not switching to "High Performance" mode while plugged in

Before when I used to plug in my laptop, the laptop used to go into "performance mode". This was visible because the screen colors looked more vivid and gave better fps while playing games. But now, after plugging in, the laptop stays in the same state, no color change or better fps. I've checked all the settings for better performance when plugged in(Battery, Dell Power Management, NVIDIA control panel) but no success. Even did a full reset and nothing happened.
I figured this could be a power options issue, but there the default settings had no additional settings for this. So, checking the forums here, I came across Restore Missing Default Power Plans in Windows 10. This did not solve my issue, and later came across this thread https://www.dell.com/community/XPS/N...s/td-p/7192006. There was no CsEnabled settings in my registry editor.

My Laptop is Dell Xps 15 9570.










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My laptop freezes every time i switch to balanced or high performance mode help please

So i have a dell laptop with windows 10 my dell is 5558 series 8gb ram 4gb nvidia 920m i75th gen processor before i was able to switch to high performance and balanced mode regularly but nowadays i cant switch to high performance or balanced mode my laptop
freezes after 5-10 mins of switching into high performance and balanced mode. Because of that my performance degrades a lot i cant work on high power programs and i cant play games too my fps will be so bad. But i can do everything in power saver mode. Help
please. And everytime after freezing i have to force restart and sometimes i get a screen saying your system memory has changed press F1. So help me please please

 

My battery power plan keeps switching to high performance

Hi I have tried all of these and the problem is still occurring when I also looked in registry the preffered power plan is already set to balanced, but it is still keep switching to high performance mode power plan. Every time I restart the laptop it
is in high performance mode and even when I change back to balanced it keeps switching back to high performance mode.

 

How to keep laptop at High Performance

Thank you so much for the reply. I've not looked into the BIOS as of yet, but this is an ASUS Rogue gaming laptop. This might be as you point out, an unchangeable behavior because of the machine.
With regards to your own machine, is it so that you cannot change it when you unplug to keep its high end performance? Mine switches automatically. When I bring up Power Options, I can see it switch from full power to power saving when I unplug it. Strange thing is though, I've noticed after a while that the unit is not working fast as I think it should and when I go into Power Options, the computer is on Power Saving even though it is still plugged in. I've noticed this happening a couple times and also with my wife's laptop, the same thing happens. In other words, unplugging it then plugging it back in does not sometimes switch it back to high performance. Is there a reason for this and if so, is it fixable?