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9 Posts

05-13-2016

BE

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Frozen CPU multiplier on Lenovo Yoga 3 1470

2016-07-07, 14:49 PM

Hi,

 

yestarday I was using my laptop with several opened applications and 1 hangouts video call active.

Well, the CPU has decided to freeze at 0.5 GHz due to the generated heat. The laptop of course became unusable, so I closed everything and restarted the system. Once the reboot was completed I noticed that frequency was still at 0.5 GHz. Then I ran an Ubuntu live usb and I checked the CPU: again, still at 0.5GHz. I came back to Windows 10, I made a bit of research and I used ThrottleStop. I unticked the BD Prochot and then the laptop came back to life with frequency at 2.9 GHz (for the sake of precision it works even without turning on Throttle stop...you only need to launch the app and untick the prochot).

Now, the problem is that I can use the laptop with all its capabilities only after I run Throttle stop. In all the other cases, even when I boot my laptop, frequency is at 0.5 GHz (and you understand it is working at low frequency because it lags a lot). Investigating a bit, I found that only motherboard replacement can fix this issue.....really? What do you think? Do you any kind of solution?

Solved! See the solution
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9 Posts

05-13-2016

BE

18 Signins

161 Page Views

  • Posts: 9
  • Registered: ‎05-13-2016
  • Location: BE
  • Views: 161
  • Message 2 of 3

Re: Frozen CPU multiplier on Lenovo Yoga 3 1470

2016-07-13, 20:13 PM
Update: after reading several comments of users having the same issue with other Yoga laptop model I tried a forced switch off of the laptop by the power button....well...it seems working. Now the multiplier is not frozen anymore and the Prochot is set to NO.
Look at this topic for other infos
https://forums.lenovo.com/t5/Lenovo-Yoga-Series-Notebooks/Yoga-3-11-CPU-stuck-at-0-48-Ghz-99-of-the-time/td-p/2087559/page/6

0 person found this solution to be helpful.

This helped me too

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11 Posts

07-01-2016

US

14 Signins

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  • Posts: 11
  • Registered: ‎07-01-2016
  • Location: US
  • Views: 169
  • Message 3 of 3

Re: Frozen CPU multiplier on Lenovo Yoga 3 1470

2016-07-14, 2:16 AM
Glad your problem is solved
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