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Swaythe
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Posts: 5
Registered: ‎09-16-2019
Location: IN
Views: 671
Message 1 of 5

IdeaPad s540 Overheating issue

Hi,

I've been facing some heating problems with my IdeaPad s540. I bought it about a week ago. I was running some CFD simulations recently and I noticed the underside of the laptop was getting quite hot. On checking with core temp, all 4 cores were showing max temperatures over 80 deg celsius even with  just 50-60 percent CPU load.

 

I ran a stress test with Cinebench and 3/4 cores hit 100 deg celsius for a couple of seconds and the fourth one had a max of 95. I ran it a few more times but now the maximum core temps were less than 90 for the most part (with no noticable drop in performance).

 

Is this normal behaviour? I read the max safe operating temperature for the intel chip was 100 deg celsius. Does that mean the hardware will eventually get damaged?

 

On a side note, I remember a few (small)bread crumbs slipping through the gaps in the keyboard. I tried to use a blower to get them out but they disappeared. Could they be somehow blocking the cooling system or something? Does anyone know if the keyboard is isolated from the rest of the laptop?

 

Thanks 

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Sr Support Specialist
Posts: 9,538
Registered: ‎11-30-2015
Location: PH
Views: 585
Message 2 of 5

Re: IdeaPad s540 Overheating issue

Hi Swaythe,

 

Welcome to the Community Forums.

 

It would be better to call in technical support to check on the fans and vents or if there is any need for re application of thermal paste.

 

If the threshold of heat is reached, the machine would normally shut down to prevent damage to the machine. Using a canned air to cleanup the keyboards and vents can help but if you feel that the heat is unusually warm or too hot to touch, then best to have it checked by the hardware warranty team specially if the warranty is active.

 

I hope this helps answer your query.

Update us how it goes best for you.

 

Regards



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Swaythe
Fanfold Paper
Posts: 5
Registered: ‎09-16-2019
Location: IN
Views: 538
Message 3 of 5

Re: IdeaPad s540 Overheating issue

Thanks for the reply.

 

I don't think the vents and fans have been blocked since it hasn't been that long since i bought it. Like I said in my post, a few small bread crumbs did slip through the keyboard but I don't think its enough to block the vents even if they got there (do you know if the space under the keyboard is seperate from the rest of the laptop?)

 

I would get the laptop shown at tech support but I live in India and from what I've seen online, they are notoriously slow to get things done and I need my laptop for atleast a couple of weeks till my exams end. So, I don't want to do it unless I absolutely have to.

 

I also tried installing a different temperature monitoring software called "HWmonitor" and it was showing me some wierd readings. The temp would shoot up to 80-90 degrees within a few seconds of running the stress test and they would also come back down within seconds of closing it. Do chips really heat up and cool that quickly? Now I'm starting to question how accurate these temperature monitoring software are. Maybe it's just wishful thinking but what if they're showing exagerrated/wrong values? 

 

Do you have any temperature monitoring software that you recommend?

 

Thanks for taking the time to read through my post and sorry for the late reply.

 

Sr Support Specialist
Posts: 9,538
Registered: ‎11-30-2015
Location: PH
Views: 433
Message 4 of 5

Re: IdeaPad s540 Overheating issue

Hi Swaythe,

 

Greetings.

 

No specific software but you can use multiple heat checking tools for comparison. Try to run it with the LCD in different position and check if there are anything internally that blocks the vent on its angle.

 

I would always suggest to report such instance to tech support team before any internal task to avoid voiding warranty just in case. Others proceed with repasting thermal compounds and checking the vents opening the laptop. 

 

Regards



Did someone help you today? Press the star on the left to thank them with a Kudo!
If you find a post helpful and it answers your question, please mark it as an "Accepted Solution"! This will help the rest of the Community with similar issues identify the verified solution and benefit from it.

Swaythe
Fanfold Paper
Posts: 5
Registered: ‎09-16-2019
Location: IN
Views: 226
Message 5 of 5

Re: IdeaPad s540 Overheating issue

Hi, 

Just wanted to post an update about the issue.

I recently installed a BIOS update and an optional update that had something to do with cooling. Since then the issue seems to have been largely resolved. I don't know if the updates were there when i posted this but I did have the automatically install updates option checked.

Cheers

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