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1 Posts

08-04-2021

Estonia

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Re:T14s extreme throttling (<0.5ghz instead of 3-4.5ghz)

2021-09-03, 7:58 AM

Agree not to close. I got a new BIOS version yesterday (N2YET30W 1.19). Now the fan goes quieter more often but the cores reaching 100°C very often on light load still remains an issue.

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1 Posts

09-08-2021

United States of America

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Re:T14s extreme throttling (<0.5ghz instead of 3-4.5ghz)

2021-09-09, 20:03 PM

T14s Gen2i (20MW) 
i5-1135G7

Bios 1.41
Latest Thermal Solutions Driver

 

This issue is plaguing all of this model we procured, I have gone through all 20 pages of this community post and tried every setting, every driver, every registry change with no options. Lenovo support wants us to ship back for a depot repair but they cant even comprehend the issue, how is this still an issue after more than 6mons of users complaining. 

 

My point of this is to make sure you add our 3 machines with he same exact issue out of the box, plugging into a dock to the list of computes exhibiting this problem.

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11 Posts

08-02-2021

Denmark

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Re:T14s extreme throttling (<0.5ghz instead of 3-4.5ghz)

2021-09-09, 20:48 PM

 tried every setting, every driver, every registry change with no options. 

 

@EricS_connetic  

 

The ONLY solution for us has been to completely disable "Lenovo Intelligent Thermal Solution Service" in your service control panel. Nothing official from Lenovo has helped one bit.


Since disabling this service, this has been like a completely new machine running better than ever before and I am just angry that I wasted 7 months with a machine that was completely unreliable in performance. It's extremely disappointing that Lenovo has not been able to fix this in any way.

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4 Posts

10-04-2021

Australia

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Re:T14s extreme throttling (<0.5ghz instead of 3-4.5ghz)

2021-10-04, 13:37 PM

Sadly, I also have a T14 Gen 1 with the same throttling issue. The CPU speed drops to 0.39 GHz for no reason, and it makes even the simplest tasks impossible to get done on this supposedly reliable business laptop. On a new installation of Windows, all I need to do is firing YouTube up and the CPU starts throttling making the video choppy.

 

What the Lenovo tech support has done so far is replacing the motherboard, but the problem did not cease to exist. Just to rule out any software issues, I had Windows reinstalled from scratch, updated the BIOS and all drivers to the latest version but to no avail. The CPU throttling is still crippling the laptop making any productive work futile.

 

By reading the 20 pages on this forum, my impression is that both the T14 and T14s models are having a serious design flaw. I have a budget IdeaPad 520 with similar hardware specs as the T14 and never had a similar problem with the laptop that costs half as much as the T series.

 

I asked Lenovo today to let me return my T14 for a refund as the repairs lead to nowhere, but they keep insisting on further repairs. What should I do?

 

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11 Posts

08-02-2021

Denmark

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Re:T14s extreme throttling (<0.5ghz instead of 3-4.5ghz)

2021-10-04, 14:46 PM

See my tip above: https://forums.lenovo.com/t5/ThinkPad-T400-T500-and-newer-T-series-Laptops/T14s-extreme-throtteling-5ghz-instead-of-3-4-5ghz/m-p/5030197?page=20#5426801

 

Note that a recent update forcefully re-enabled the thermal service, so if you see the problem re-appear, check your running services. I would be interested to hear if this helps for you as well.

 

Of course I would encourage you to install all available Lenovo driver updates and the latest BIOS version. If you still see the problems after that (I assume you already tried all that), then it's time to disable the thermal service and see how it goes.

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76 Posts

03-31-2021

Poland

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Re:T14s extreme throttling (<0.5ghz instead of 3-4.5ghz)

2021-10-04, 18:49 PM

Hi @bluntdoorbell  

In addition to what cultive wrote you can do this:

 

Do you have latest drivers and especially BIOS and ECP installed?

They made some enhancements down the road and this should be solved by now.

UEFI:1.21 / ECP: 1.12
- (Fix) Fixed an issue where CPU performance may slow down when heavy loading.
UEFI:1.19 / ECP: 1.09
- (Fix) Fixed an issue where CPU has very low frequency after resume from sleep mode.

 

Especially with BIOS 1.22 and ECP 1.13. You can check it in "System Information"

 

If that doesn't help:

1) when does that happen? During watching video? Teams? Zoom? Is this easy replicable? If yes you can send it for repair but not another pointless motherboard replacement but for software analysis. In my case software like Prism95 or any other benchmark didn't reproduce problem so you have to find a way to reproduce it

2) for one guy I read replacing cooling helped

3) check this thread https://forums.lenovo.com/t5/ThinkPad-T400-T500-and-newer-T-series-Laptops/Frequent-Thermal-Throttling-on-T15g-Gen-2-i7-11800H-RTX3070-32GB-Ram/m-p/5095133?page=2

4) check this one and bump it up https://forums.lenovo.com/t5/ThinkPad-T400-T500-and-newer-T-series-Laptops/Power-4GHz-throttling-on-ThinkPad-T15-Gen-1-i7-10510U/m-p/5090542?page=2

5) Check also this and also bump it up https://forums.lenovo.com/t5/ThinkPad-T400-T500-and-newer-T-series-Laptops/T-Series-Throttling/m-p/5072352

6) just ask on those threads if people with your T14 Gen 1 (what's exact model?) still have this issue. If yes they will definitely respond.

 

Together you can win and have real cause fixed. But first check BIOS :)

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4 Posts

10-04-2021

Australia

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Re:T14s extreme throttling (<0.5ghz instead of 3-4.5ghz)

2021-10-04, 22:36 PM

Hi @maxt32  , I have all of these updates installed. I will give @cultiv  's tip a try today, however I am a bit doubtful as the laptop was throttling even while the Windows installer was running during a full reinstall.

 

Throttling seems to happen when any videocard related apps start running e.g. a YouTube video starts running or the NVIDIA logo appears in the NVIDIA control panel, or Firefox opens a webpage with animated GIFs and such. I would rule out the cooling as the laptop is not that hot, especially after the latest BIOS update. According to the sensors, the temperature does not go above 75 Celsius.

 

Thanks for the other links, @maxt32  , I will check them out. However, this laptop is supposed to work as it is, and Lenovo is supposed to do all this.

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4 Posts

10-04-2021

Australia

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Re:T14s extreme throttling (<0.5ghz instead of 3-4.5ghz)

2021-10-05, 2:11 AM

No joy @maxt32  , this is the CPU speed of my T14 two hours after a fresh installation of Windows from scratch. :(

 

I tried with and without the Lenovo Intelligent Thermal Solution (latest version) running in the background and had the same results. The YouTube video is not running smoothly in the background. The power mode setting is set to 'balanced'. All Lenovo drivers and updates have been applied ...

 

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76 Posts

03-31-2021

Poland

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Re:T14s extreme throttling (<0.5ghz instead of 3-4.5ghz)

2021-10-05, 7:36 AM

I will check them out. However, this laptop is supposed to work as it is, and Lenovo is supposed to do all this.

 

Oh yes. That's what people including me also said about T14sG1, P15, X1 Carbon and many other struggling this extreme throttling problem.

All we did to fix on some laptops is: scream on this forum and find allies (other people with same issue) or send to service explaining that issue is software/firmware not hardware and give them reproducible steps.

 

For now my users on T14s Gen1 and T14s Gen2 don't have this issues..... for now :) And I hear this topic was silent for some weeks so should be good also for others.

Just bump up all other threads, maybe people still have this issue on your exact model.

 

Good luck!

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11166 Posts

08-17-2015

Slovakia

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Re:T14s extreme throttling (<0.5ghz instead of 3-4.5ghz)

2021-10-06, 11:35 AM

Hi all,

 

not sure how I missed it, but earlier this year, we have released the following support page article, which seems to be connected to the symptom you are experiencing. As I have mentioned earlier, our technicians have confirmed to me, that the latest BIOS update, in conjunction with the Intelligent Thermal Solution Driver should fix the issue, but there might be further updates for Zoom and MS Teams required.

 

Best regards,

 

Juraj
German, Czech & Slovak Community Lead


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