When I remove the power supply, the CPU gets 20-30 ° C cooler within seconds and the fan gradually becomes quiet again.
I'm talking about normal operation, i.e. E.g.:
Chrome -> 5 tabs, Discord, BBB conference, Adobe Acrobat etc…
According to HWMonitor, it was 70-80 ° C per core with power supply operation.
With battery operation after one minute at 40-50 ° C per core, with the same load.
My laptop:
Lenovo IdeaPad S540
Intel Core i7-8565U
12 GB DDR4 RAM 2400 MHz
Nvidia GeForce MX250
Use only original parts… Does anyone have any idea whether this is normal or whether there's a fix for it? I'm grateful for advice, comments and wisdom of any kind!
That's not normal! But now I don't know what to do next
https://www.computerbase.de/forum/threads/laptop-wird-ungewoehnlich-heiss-im-netzbetrieb-und-nutzt-nur-dann-volle-leistung.1938269/
Abnormally hot?
The temps look very normal to me.
Of course that's normal.
In mains operation, the CPU has more power and we're accordingly hotter.
Your intel CPU in particular generates a lot of heat due to the 14nm manufacturing process.
In addition, laptops can never offer really good cooling
So that means the CPU gets hot and the fan spins at full speed, but this is normal.
It doesn't get so hot for me that's why I thought
This is not necessarily unusual for a laptop, such temperatures are (unfortunately) not abnormal.
The problem is simply in the laptop case, there's too little space to ventilate it properly and thus to be able to cool it. If the laptop is then still on a bad surface (e.g. On the lap, a blanket or anything but a smooth and firm surface), this has an additional negative effect.
The significantly higher temperature comes from the fact that the battery gets warm (really warm) during charging and this temperature then influences the entire operation. Charging generates more waste heat, but at the same time the laptop can only cool to a limited extent.
To get a better grip on high temperatures, it is advisable to use a laptop cooler, so that the laptop can also be actively cooled from below.
Due to the design-related higher temperature in a laptop, the life expectancy of a laptop is significantly lower than that of a desktop PC, depending of course on how strong and what the laptop is used for.
