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jdturneriii
Punch Card
Posts: 17
Registered: ‎11-05-2017
Location: US
Views: 1,216
Message 1 of 14

Lenovo USB-C Dock Network issue when not connected to Yoga 910

So here is a new one:  I have a Yoga 910 that has had many networking issues. It appears that if I unplug the computer from my USB-C dock (the dock still has power), the dock network connection freezes my router. This is repeatable, and annoying. As soon as I powered down the dock (by unplugging it), the router starts working.

 

I am using an ASUS RT-AC5300 "mother of all routers" (when I bought it), and it has been rock solid until I started with my new Yoga. It is running the latest firmware, and I have updated the firmware on the dock as well.

 

Ideas?

TechieCal
What's DOS?
Posts: 3
Registered: ‎02-09-2018
Location: CA
Views: 1,060
Message 2 of 14

Re: Lenovo USB-C Dock Network issue when not connected to Yoga 910

Hey jdturneriii, were you ever able to fix your problem? I just ran into the same issue with the same dock and as far as I know, the firmware is all up to date. 

jdturneriii
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Posts: 17
Registered: ‎11-05-2017
Location: US
Views: 1,047
Message 3 of 14

Re: Lenovo USB-C Dock Network issue when not connected to Yoga 910

I gave up for now. I went to 1 monitor directly connected to the front usb-c port. We are moving anyway and I was told to "declutter" my desk to show the house. I will deal with this when we land at the new house. 

 

I am tempted to give up on the Lenovo dock as it seems to have to many issues. See my other post about the network issues that my Lenovo dock caused.  Thinking about trying this: Plugable USB-C 4K Triple Display Docking Station. Reviews state rock solid performance, plus it will handle 3 monitors.

danielnyc
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Posts: 6
Registered: ‎10-19-2017
Location: US
Views: 827
Message 4 of 14

Re: Lenovo USB-C Dock Network issue when not connected to Yoga 910

Any update on this? Getting the same issue with RT-AC88U.

TechieCal
What's DOS?
Posts: 3
Registered: ‎02-09-2018
Location: CA
Views: 813
Message 5 of 14

Re: Lenovo USB-C Dock Network issue when not connected to Yoga 910

In my situation, I called Lenovo and they RMA'd the dock. Must be a known issue as they shipped me the new one with barely a question asked. 

 

New one works perfect, no more network issues.

 

 

danielnyc
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Posts: 6
Registered: ‎10-19-2017
Location: US
Views: 811
Message 6 of 14

Re: Lenovo USB-C Dock Network issue when not connected to Yoga 910

Huh ! Perfect, thank you!

danielnyc
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Posts: 6
Registered: ‎10-19-2017
Location: US
Views: 808
Message 7 of 14

Re: Lenovo USB-C Dock Network issue when not connected to Yoga 910

Just beats me why this would knock the router down.. I contacted ASUS support on this and should get a reply soon.

TechieCal
What's DOS?
Posts: 3
Registered: ‎02-09-2018
Location: CA
Views: 806
Message 8 of 14

Re: Lenovo USB-C Dock Network issue when not connected to Yoga 910

I don't think it's the router, as in my case it was connected to a 24 port Trendnet switch, that was connected to a modem. 

 

My suspicion is the dock is sending a short which is nuking the network.

danielnyc
Paper Tape
Posts: 6
Registered: ‎10-19-2017
Location: US
Views: 800
Message 9 of 14

Re: Lenovo USB-C Dock Network issue when not connected to Yoga 910

I see. Interesting! Just got RMA’d no questions asked like you did Smiley Happy

Thanks for your quick reaponse..

Paraidomat
Fanfold Paper
Posts: 13
Registered: ‎06-23-2018
Location: DE
Views: 580
Message 10 of 14

Re: Lenovo USB-C Dock Network issue when not connected to Yoga 910

Hi,

I did the same thing (and had the same problem) did the new Dock solve the problem?

I'm also following this Thread (https://forums.lenovo.com/t5/ThinkPad-11e-Windows-13-E-and/Lenovo-E480-usb-c-dock-problem-with-monit...) but the new Dock didn't solve any of the problems.

BR,
Paraidomat

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