Fan noise increase dramatically when charging

[bguyb]

CPU is less then 10%. even on 4-5 % the laptop gets very hot and fan starts working really hard and very loud.
Support in Israel told me its normal. Is that really the case?

[WAWood]

@bguyb 

Modern laptops use batteries that are very similar to those used in smartphones, and like those, the batteries get very hot when they are being charged.

So, the fan will spin up  according to exhaust the additional heat.

This is a routine thing with newer laptops.

[bguyb]

Its really annoying ☹️
Is there a way to make the laptop not charge all the time ? (without disconnecting the power cord)

[WAWood]

@bguyb 

This could also be a side-effect of running Windows 10 ...

With a Win10 PC, you're going to experience a variety of problems not typical of the older PCs. Unlike with older OS versions, Win10 FORCES updates and patches on folks every week. This can cause problems not seen in the older OS versions.

First is sluggishness. You may experience a very slow PC at times because Windows Update (WU) is hogging your PC, searching for, downloading, and installing updates -- to bring your PC up to the most current version of Windows. This can also contribute significantly to high processor temperatures, as it is being heavily used.

Second is fan noise. That's directly related to fan speed, which is the result of processor heat, and WU is known to drive up the processor load -- sometimes to 100%. That can cause the fan to run loud and continuous for some time.

Third is disk usage. WU can easily force the disk usage to 100% and and keep it pinned there for some time. That's because it writes WU files to the drive, then it turns around and reads them, then it overwrites existing Windows System files. All of that takes a lot of disk usage to complete.

These processes are compounded by Win10 because new Win 10 patches coming out nearly every Tuesday. Since you can't stop Updates like you did with Win7, this means you're going to get updates, regardless of what you do.

To find out what version and build of Win10 your PC is running, do the following:
1) enter "cmd" (without the quotes) into the search area and select the Command Prompt option
2) enter "winver" into the command window (again, without the quotes)
3) The most current Win10 versions as of 8/20/20 are the following:
a) v1809: Bld 17763.1432
b) v1903: Bld 18632.1049
c) v1909: Bld 18363.1049
d) v2004: Bld 19041.450.

If yours is older than that, most likely WU is hogging your PC trying to update it.

Some folks have been told that resetting your PC will fix this. but, if you reset your PC, you only make matters WORSE! Why? Because you will reset Win10 back to the original version that came preloaded on the PC and that will restart Windows Update all over again.

To disable WU temporarily, do the following:
1) Enter "services" in the search area (again, without the quotes)
2) When the window opens, scroll down until you see Windows Update
3) If it say Running under status, that indicates that WU is running
4) To change that, double-click on that task, select Stop under the Service status, and then Apply
5) That should stop WU -- and you should see an immediate improvement in performance.

If not, then WU is not the problem.

WU will restart itself automatically later on, so you basically have no choice than to bear with it until it finishes.

[bguyb]

It's not related to CPU usage.
It's probably battery heat (as you suggested).
What can I do about it??

🙏

[WAWood]

@bguyb 

Not a whole lot because modern laptops use the same kind of batteries as smartphones and those get HOT when charging.

Your only recourse would be to buy one of the laptop stands that has fans in it to draw heat away from the laptop when it is charging.  That will cool it down a bit and might be enough to reduce the fan speed.

[bguyb]

Is there a way to disable battery charging?
Without removing it from the laptop 🙂

[bguyb]

Is there a way to bypass battery charging?
Without removing the battery from the laptop 

[WAWood]

@bguyb 

You're joking, right??  If you bypass battery charging, just like with a cell phone, the laptop battery will eventually die -- and when that happens, not only will it not charge anymore, it's also likely the laptop will not start with a dead battery.

[bguyb]

NO! I'm not joking! 😠
I want to stop the noise of the fan cooling the battery. You said that's why its heating up.