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853
May 30th, 2024 15:01
CPU fan not working
Hello everyone,
I have an issue with my cpu fan. I have a DELL (laptop) Inspiron 2n1 7591 with an Intel i7-10510U and for some time my PC was way too hot to do anything on it. I just could touch it when he was on a flat surface but by checking with a software he's constantly between 85° and 100°.
I checked the CPU fan (there is always this message when I startup the PC "CPU fan not responding correctly") and it was broken so I replaced it today with a new one and it doesn't seem to work, I don't hear it spin or there is no drop in temperature, I checked online for some solution with Bios etc but nothing is working for me. Could you help me?
If you want any details on the pc or anything else just ask and I'll answer.
Thanks everyone, take care.
Valentyn.
ejn63
10 Elder
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29.2K Posts
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May 30th, 2024 15:25
First thing to do is replace the fan.
https://notebookparts.com/products/new-genuine-dell-inspiron-15-7590-7591-cpu-cooling-fan-0wvctx
Service manual here:
https://www.dell.com/support/home/en-us/product-support/product/inspiron-15-7591-laptop/docs
valentyngiroutx
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May 30th, 2024 19:08
@ejn63 Hey, thanks for the answer, I actually already change the fan. I did as it is said in the manual but right now, after many uninstalling and reinstalling the cpu fan, it's just not detected by the PC and I really don't understand.
ejn63
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29.2K Posts
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May 30th, 2024 19:57
If it's not an OEM fan, that may be the issue. Or the fan could be defective.
The other possibility is that it's the fan sensor that's faulty -- for that, the only solution is a replacement system board.
valentyngiroutx
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May 31st, 2024 15:00
@ejn63 What is a OEM fan? Not familiar with the vocabulary sorry. What's strange is that, it didn't work at all but yesterday all of sudden it worked for like 10mn and stopped (I could even change the speed rotation with MyDell application). Since then it doesn't work again. I feel like everything is good, well connected etc but the software or bios isn't recognizing the fan.
So it's not faulty that's for sure but maybe not an OEM whatever that means.
ejn63
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May 31st, 2024 15:05
OEM = original equipment manufactured. It should have a Dell part number on it.
If the system doesn't communicate with the fan reliably, it could be an aftermarket part.
Check with the seller from which you purchased the fan.
valentyngiroutx
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May 31st, 2024 22:22
@ejn63 Thanks for all the help, I think you're right but by checking everywhere online there is no more of my PC fan, i'm desperate right now, the PC is only 3 years old and might die because there is no replacement for it.
ejn63
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29.2K Posts
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May 31st, 2024 23:03
Dell has the OEM fan.
https://www.dell.com/en-us/shop/dell-cpu-cooling-fan/apd/wvctx/pc-accessories