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March 14th, 2020 13:00

E5470 overheating

Hi All,

I have a E5470 that overheats when under heavy load and shuts down.  The laptop is about 5 years old. This issue has become increasingly common.  It used to happen once in a while but not happens every time the system is under heavy load.  The fan speeds up as expected but after a couple of minutes, the system overheats and shuts down.  I have cleaned the fan and the exhaust vents but that did not help.  I have temporarily solved the problem by editing the power plan and setting the maximum process state to 85%.  The speed decrease is not really noticeable, however, I would like to resolve the issue.  

The fan is working and the speed does change depending on load but I don't think it is blowing as much air as it used to.  Do fans blow less air as they get older?  Would replacing the fan help?

Thanks in advance for your assistance

Gary

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27.5K Posts

March 15th, 2020 07:00

We tried reaching you on a private message but did not receive a response. Please feel free to reply to the private message whenever you are available.

5 Posts

March 18th, 2020 17:00

Same issue here. 

I did Windows update last night and then the SupportAssist scan which showed three updates, including a “critical” Bios update. 

Immediately after, my computer started overheating and shutting down. I can kill a bunch of processes and use the computer most of the time, but it still gets hot and shuts down. 

I’m almost certain it was something in that update. 

ironically, I can’t run SupportAssist because it overheats during the “Scan Hardware” phase and shuts down every time.  Seems to happen when the processor temp hits 100 degrees C. 

 

5 Posts

March 18th, 2020 17:00

Just did SupportAssist scan again and at the end of the Hardware scan, there’s a process called Stress Test. That’s when my fan turns on, temps spike to 100 and the computer shuts down. 

but I never get the results of my stress test.  I believe it’s a “fail.”

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5 Posts

April 30th, 2020 02:00

I'm having the exact same problem!

Is there already a soltution for this?

regards

1 Message

May 6th, 2020 07:00

Me too this issue begin like 1 month ago, and internal hardware is clean, i get the following message on event viewer

The system was shut down due to a critical thermal event.
Shutdown time = 2020 - 05 - 02T23: 03: 49.352464700Z
ACPI Thermal Zone = Intel (R) Dynamic Platform Thermal Framework
_CRT = 373K

I will try changing thermal pad on CPU but I'm sure is software issue begin after update.

5 Posts

May 6th, 2020 11:00

I'll try to dig up the details...  but I somehow reduced the max speed of my processor.  I ran it at a few different levels and if I remember correctly, I set it to run at 80% capacity and I haven't had any issues since.

Presumably I'm missing out on some processor power at peak usage, but I haven't noticed it... and regardless, it's better than the computer shutting down in the middle of work.

5 Posts

May 6th, 2020 11:00

As the original poster said...

Go to Edit Power Plan, Advanced Settings, Processor power management, Maximum processor state.

I have it set at 85% for both battery and plugged in.

Not ideal, but better than the alternative...

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19 Posts

May 8th, 2020 09:00

Hello,

I never had this problem before I updat (today) from the BIOS 1.21.6 to the latest version 1.22.3.

Does the latest version brings any new "bugs"? With it even one simple CINEBENCH R15 or R20 pass is impossible... I regret flashing the BIOS.

Thank you for a quick fix !

3 Posts

May 9th, 2020 04:00

i have the same problem on e5470, any solutions?

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19 Posts

May 10th, 2020 07:00

Ok, thanks to the following link I fixed the problem:

https://www.ultrabookreview.com/37095-dells-disabling-undervolting-on-their-laptops-heres-how-to-re-enable-it/

What really happened?

Until now I was using throttlestop and doing undervolting and using the BIOS 1.21.6. Everything was fine. After flashing the BIOS to the version 1.22.3 I observed overheating/reboot issues and a big drop of performances. The reason is undervolting was blocked by the latest BIOS 1.22.3. It seems to be a very recent Intel et OEM decisions. I don't blame them for blocking undervolting especially, I blame Intel for not beeing able to provide CPU working fine at stock settings!

To fix this, you have to:

1) Downgrade the BIOS to a previous fin version (1.21.6 for the Latitude E5470). Make sure to put ON the downgrade option in the BIOS before trying to downgrade.

2) After downgrading reset the BIOS to factory settings. It is absolutely necessary (if you want tu unlock again undervolting features) and then restart.

2) Restore your custom settings as you want (like forbidding BIOS UEFI auto-updates through OS) and restart.

 

After that, the Latitude is back the shape. Now, I'm done with BIOS updates with that computer and with Intel at all!

 

PS: Intel's explanation here: https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00289.html

3 Posts

May 17th, 2020 08:00

@Graon  I try downgrade bios to 1.21.6, but  downgrade Intel ME is faild. did you have this problem?

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19 Posts

May 18th, 2020 00:00

Yes, I had this "problem" while downgrading the BIOS. But actually Intel ME seems to work fine with the latest firmware provided by the BIOS 1.22.3 although I downgraded it to the version 1.21.6. In Windows the device Intel Management Engin Interface works fine.

 

What about you?

 

If not, try maybe the BIOS recovery option on your system and see if that resolves this issue for you, instructions on how to do this here: https://dell.to/2uAiHha

3 Posts

May 19th, 2020 09:00

@Graon  i have found solution. It's work on 1.22 version. 

  • Enter to Bios settings
  • Select performance card 
  • Uncheck intel turbo boost

After this problem disapper

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19 Posts

May 25th, 2020 00:00

@abaka85 

Maybe you only fixed the problem of overheating thanks to the lower frequencies of your CPU (without the activation of turbo). I wanted to keep turbo and especially software undervolting possibilies what BIOS 1.22.3 does not allow. Downgrading to 1.21.6 was my solution (event though Intel ME firmware downgrade failed).

May 31st, 2020 11:00

I am having the same problem with my 2017 out of warranty Latitude E5470. After BIOS 1.22.3 update 3 days ago, the overheating and shut down is frequently.

Description: This package contains the Dell system BIOS update. BIOS is a firmware that is embedded on a small memory chip on the system board. It controls the keyboard, monitor, disk drives, and other devices. This update addresses the Intel Security Advisories INTEL-SA-00289, INTEL-SA-00317, INTEL-SA-00241, INTEL-SA-00260, and INTEL-SA-00254. A security advisory is a statement when a product is impacted by a security vulnerability and a remedy is available.

Important Information: Once BIOS is upgraded, you cannot downgrade BIOS EXE/ Recovery (RCV) to the versions before 1.1.8 due to restrictions.

I tried everything:

Downgrade and restore factory settings of BIOS (not worked);

Format everything and reinstall Windows (not worked);

Undervolt in -130mV (not worked);

Disable Turbo Boost ("worked" but CPU was slower than before);

Limit in 85% the CPU in Power Settings ("worked" slower).

Now I will try an internal clean and thermal paste replacement.

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