100% thermal throttling under 20% battery life.

Nerolex

Estimable
Dec 16, 2015
32
0
4,580
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Hello

i dont know why but everytime my laptop falls below 20% battery life, the laptop throttles up to 100% on intel XTU and everything becomes slow. but as i restarted my computer at around 16%, there was no thermal throttling at all. when the laptop is at under 20% it switches to battery saving mode but i turned that off and the throttling still persisted and even if the laptop's battery saving mode was on when i restarted the laptop, there would be no throttling.

And i was wondering for the 3rd picture, when i plug in my laptop to the charger, is it normal for it to throttle to 100% then back to 0%?

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thanks
 

techgeek

Distinguished
Apr 11, 2004
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That is SpeedStep at work in combination with power saving. It's not so much throttling as it's lowering the multiplier to save power. This is normal behavior. The simple solution is to plug it in when it gets this low.
 

Nerolex

Estimable
Dec 16, 2015
32
0
4,580
0


but how about when i restart the laptop? everything goes back to normal.
 

utroz

Distinguished
Nov 9, 2010
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I could be that because it is already below 20% it doesn't cross the trigger zone that tells windows to throttle the cpu to save power.
 

techgeek

Distinguished
Apr 11, 2004
175
0
18,710
31
That is SpeedStep at work in combination with power saving. It's not so much throttling as it's lowering the multiplier to save power. This is normal behavior. The simple solution is to plug it in when it gets this low.
 
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