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6 Posts

06-29-2020

DE

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  • Posts: 6
  • Registered: ‎06-29-2020
  • Location: DE
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Ideapad 5 15ARE05 throttling with USB-C docking

2020-07-10, 7:25 AM

When I plug in an USB-C docking station the CPU goes in cTDP down of 400MHz and stays there which slows down the system to a halt. This problem exists with the Lenovo Mini USB-dock as well as third party products.

 

As this is already noticable when the machine boots up (it takes about 20s to POST instead of about 2s normally), a problem in BIOS is very likely. I am on the latest BIOS E7CN25WW.

 

Edit: to circumvent I have to remove and plug in the USB-C dock again. I am charging through that dock too with the official Lenovo USB-C charger that was provided with the Lenovo dock. But this does not solve the problem.

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98 Posts

03-21-2016

RU

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  • Posts: 98
  • Registered: ‎03-21-2016
  • Location: RU
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Ideapad 5 15ARE05 throttling with USB-C docking

2020-07-11, 0:03 AM
Slow start - It problem for W10 new builds, not hardware.
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