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138 Posts

08-02-2012

Germany

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  • Message 11 of 66

Re: E540: Fan does not stop

2014-04-06, 18:52 PM

The E531 exactly has the same problem as the E540: the fan doesn`t stop anymore after the temperature once hit a certain value... only a standby can break this malfunction. I`m so angry after they had already tremendous problems with the e530!

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@LENOVO: WE WANT BIOS TO COMPLY WITH ACPI STANDARDS!
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1 Posts

04-21-2014

Hungary

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  • Message 12 of 66

Re: E540: Fan does not stop

2014-04-21, 20:40 PM

I just purchased a new E540, and experiencing the same issue that the fan does not stop even the CPU is idle.  I also can confirm that if the notebook suspended and resumed then the fan stops until temperature or CPU load threshold is reached again.  However, if you hibernate and restart then the fan continues running on the same active speed. 

 

Could Lenovo please confirm that the solution is in progress and fixing will be provided, or at least that the issue is known?  Otherwise I am thinking to return the E540 to the seller although I like the model but the fan issue is annoying comparing to other products.

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138 Posts

08-02-2012

Germany

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  • Posts: 138
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  • Message 13 of 66

Re: E540: Fan does not stop

2014-04-27, 9:01 AM

My advice: return it.

__________________________________________________________
@LENOVO: WE WANT BIOS TO COMPLY WITH ACPI STANDARDS!
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10 Posts

04-11-2010

Germany

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  • Message 14 of 66

Re: E540: Fan does not stop

2014-05-03, 19:45 PM

I got an E540 today and was not aware of this serious problem before my purchase.
The notebook itself is pretty good, but this issue is so annoying, thus I am also considering to return it right away.

 

When I perform some office tasks (with a SSD installed) I do not want to hear anything and technically there is no reason for the fan to run. My five year old T400 had no problems with this...

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9380 Posts

11-27-2007

Slovakia

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  • Message 15 of 66

Re: E540: Fan does not stop

2014-05-09, 17:48 PM

Andy  

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10 Posts

04-11-2010

Germany

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  • Message 16 of 66

Re: E540: Fan does not stop

2014-05-24, 14:22 PM

I returned it.
The fact that Lenovo does not react (see [same] fan problem with E530 and E531) is very disappointing. After several years of ThinkPads I probably won't buy a Lenovo product again.

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5 Posts

08-07-2014

Switzerland

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  • Message 17 of 66

ThinkPad E540 Fan always running

2014-08-07, 15:45 PM

Dear Support and dear Lenovo users

 

i have just bought a lenovo thinkpad e540 with the intel 4702mq cpu. i have also updated the bios today. what i have now noticed is the fan always running also when doing nothing.

 

Why is the fan always running?

 

Will you please fix this annoying thing and deliver a bios update or any patch to fix it?

 

why is there also no fan control option?

 

i paid money for this product and i demand a fix. i will not return it, because it seems to be something you can fix with an update or patch.

 

 

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9380 Posts

11-27-2007

Slovakia

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  • Message 18 of 66

Re: E540: Fan does not stop

2014-08-07, 16:19 PM

Andy  

______________________________________


Please remember to come back and mark the post that you feel solved your question as the solution, it earns the member + points

Did you find a post helpfull? You can thank the member by clicking on the star to the left awarding them Kudos

Please add your type, model number and OS to your signature, it helps to help you.

Forum Search Option T430 2347-G7U W8 x64, Yoga 10 HD+, Tablet 1838-2BG, T61p 6460-67G W7 x64, T43p 2668-G2G XP, T23 2647-9LG XP, plus a few more.

FYI Unsolicited Personal Messages will be ignored.

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7 Posts

11-14-2014

Providence RI USA

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  • Message 19 of 66

Re: E540: Fan does not stop

2014-11-14, 17:20 PM

Problem confirmed on Thinkpad e430c running Debian 7 Wheezy (3.2.0-4-amd64).

 

Problem does NOT occus on Windows 7 64 bit, only on Linux. 

 

 

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5 Posts

11-15-2014

Italy

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  • Message 20 of 66

Re: E540: Fan does not stop

2014-11-15, 10:36 AM

I'm experiencing the same issue on my two weeks old E540 20C600JBIX: once the fan activates at medium speed it does not stop anymore, although the load becomes nearly unsignificant.

The only workaround is to put laptop in suspend mode and then resume it, but once the load increases again and the fan activates at medium speed, the issue comes back.

I'm now running BIOS 2.13. I also noticed in BIOS 2.09 changelog that Lenovo already updated fan table.

It's a shame that Lenovo doesn't put effort to resolve such a issue, moreover it seems a software/firmware issue hence resolvable by BIOS upgrades.

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