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sirDawar
Blue Screen Again
Posts: 3
Registered: ‎07-09-2019
Location: FI
Views: 2,878
Message 1 of 27

Thunderbolt 3 dock Gen 2 and Thinkpad P1 lag

Hi,

 

I've had for some time problems that when I connect my P1 via Thunderbolt 3, performance goes noticibly down, at least the video lags significantly. 

When I unplugg it it is fine, or when I plug it directly to monitor via HDMI it is also fine.

Only help is to restart Windows, but usually after I again plug out/in the dock I get the same problems.

I've spent already days by downloading all newest drivers (dock and video cards) and firmware for dock and BIOS, but it doesnt help. 

 

Any clue what to do?

 

Thanks

P8M
What's DOS?
Posts: 1
Registered: ‎07-18-2019
Location: AU
Views: 2,587
Message 2 of 27

Re: Thunderbolt 3 dock Gen 2 and Thinkpad P1 lag

Same problem here. Can anyone help? I assume it is an issue with the dock? 

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mbinette
Fanfold Paper
Posts: 14
Registered: ‎06-24-2019
Location: US
Views: 2,556
Message 3 of 27

Re: Thunderbolt 3 dock Gen 2 and Thinkpad P1 lag

This happened to me for the first time today. The only difference today was that I had my P1 on and open when I plugged in the dock. Then after it connected, I shut the lid and moved to my desktop monitors. I then saw the terrible lag when scrolling.

 

Normally I sleep the laptop before plugging it in or shut it down completely before plugging it in and don't have the lag. Today I shut down, restarted with it plugged in and the lag was gone.

 

I have a whole lot of other issues with this dock though. Plugging it in causes the "No battery is detected" icon to show up and the battery doesn't charge. And whenever I shut it down while on the dock it basically freezes and I have to press the tiny reset button on the bottom of the laptop to get it to turn on again.

sirDawar
Blue Screen Again
Posts: 3
Registered: ‎07-09-2019
Location: FI
Views: 2,523
Message 4 of 27

Re: Thunderbolt 3 dock Gen 2 and Thinkpad P1 lag

It would be nice to hear some comment from someone in Lenovo...

mbinette
Fanfold Paper
Posts: 14
Registered: ‎06-24-2019
Location: US
Views: 2,397
Message 5 of 27

Re: Thunderbolt 3 dock Gen 2 and Thinkpad P1 lag

I'm starting to see this more and more. When it does happen, it is after I sleep and then awake the system while docked.

I have the Nvidia drivers from 7/16/19 and the BIOS also released on 7/16/19 so I'm on the latest of everything.
evanvlane
Paper Tape
Posts: 4
Registered: ‎07-29-2019
Location: US
Views: 2,295
Message 6 of 27

Re: Thunderbolt 3 dock Gen 2 and Thinkpad P1 lag

I've had this issue too. I've downloaded all the new firmware for the dock, updated my computer through the Lenovo Vantage thing, and nothing helps.

The display is extremely laggy when plugged in, and I use the system for CAD which makes the experience terrible.

agzbt
Paper Tape
Posts: 2
Registered: ‎07-29-2019
Location: US
Views: 2,259
Message 7 of 27

Re: Thunderbolt 3 dock Gen 2 and Thinkpad P1 lag

Does anyone notice that this lag is gone if you keep the thinkpad lid open instead of closed?

 

evanvlane
Paper Tape
Posts: 4
Registered: ‎07-29-2019
Location: US
Views: 2,198
Message 8 of 27

Re: Thunderbolt 3 dock Gen 2 and Thinkpad P1 lag

Yeah, that's definitely the case.
I was also able to reproduce mbinette's problem as well.
This seems to be the same issue-- I really wish a Lenovo rep would address it.
John_Pan
What's DOS?
Posts: 2
Registered: ‎08-01-2019
Location: US
Views: 2,025
Message 9 of 27

Re: Thunderbolt 3 dock Gen 2 and Thinkpad P1 lag

I have the same problem with the workstation dock on a X1 extreme. 

 

X1 Dock. 

https://www.lenovo.com/us/en/accessories-and-monitors/top-tech/Thunderbolt-WS-230W-dock-US/p/40AN023...

 

100% reproducible.

 

1. Fresh reboot. -- is fine

2. Undock  -- is fine

3. Redock  -- terrible lag. System process goes at 5-10% all the time forever. 

4. Undock -- is fine

5. Redock  -- terrible lag. System process goes at 5-10% all the time forever. 

6. Reboot while docked -- is fine until I undock/redock. 

 

 

 

 

wk08
Fanfold Paper
Posts: 5
Registered: ‎08-04-2019
Location: AU
Views: 1,927
Message 10 of 27

Re: Thunderbolt 3 dock Gen 2 and Thinkpad P1 lag

Yep, exactly the same problem here. All drivers updated.

 

Thunderbolt 3 dock with X1 Extreme, and 2 x HP Elitedisplay E273q. The only thing I haven't tried is using Display Port for both monitors instead of HDMI.

 

I'm about to go through the email support to see if I can get some luck there. 

 

For what this set up cost, it really is rubbish I have to reboot the laptop to get something that is useable. I use a lot of 3D cad software and its simply not useable after the first start.

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