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-   -   randomly freezes (https://displaylink.org/forum/showthread.php?t=68009)

Jarda 11-22-2021 10:21 AM

randomly freezes
 
1 Attachment(s)
Hi, i have bought new itec CADUAL4KDOCKPD,

connected to HP ProBook 450 G8 laptop, (laptop is month old, new hp drivers, latests WIN10), with 2Benq displays, lid close
problem is, it freezes time, to time, seems randomly, sometimes 3x per hour, sometimes works properly few hours.

On USB2, mouse freezes for 1sec
On USB-C, mouse freezes for 1sec, monitors go black, for 1 sec, and then reconnects.
So i have to move programs (open windows)back on location, where i need them.

I have tried newest driwer, reinstaled few times (with clean utility), I tried also 10.1 M1.
Changed USB-C Cable..
went throught https://support.displaylink.com/know...from-repeatedl, tried what was possible...
but still problem persists, log attached

KatarzynaCzaja 11-24-2021 07:41 AM

Hello Jarda,

DisplayLink chip and driver do not drive your mouse.
I believe you are experiencing USB communication issues, and that's why mouse stops moving and the display vanish: the dock is disconnected by the computer and reconnected.

Some of the machines now hide the some settings from the Windows 10 power plan settings (for instance PCIe ASPM, step 11 of the FAQ you linked).
Here is an utility to disable these settings to gauge impact easily: https://synaptics.com/products/displ...ndows-lpm-tool. It also includes another executable to re-enable that later, if you wish.
Could you try and let us know if that has an impact?

Thank you,
Katarzyna

Jarda 11-24-2021 10:09 AM

Solution is probably hidden in downgrading an Intel graphic driver and using DisplayLink driver from laptop manufacturer.
https://h30434.www3.hp.com/t5/Notebo...r/td-p/7363394
For me, version 25 is not avalaible (i have never card), im now testing intel 30.0.1009805 (SP113541) with DisplayLink 10.1.2762.0 (SP128704).
i will report tommorow.

Jarda 11-25-2021 08:35 AM

hello again, so after 2days of testing, i have to confirm, the problem was solved. i have had to downgrade drivers.
I didnt use/test utility provided for PCIe ASPM settings.

Aqualung 12-10-2021 06:49 PM

Having a similar issue with my new DisplayLink-based QGeeM docking station on a new Thunderbolt 4 LG Gram computer. Running a 10 ft. high quality USB-C cable between the two (is that too long?).

@Jarda, would you mind describing how you fixed it?

Jarda 12-13-2021 10:45 AM

Quote:

Originally Posted by Aqualung (Post 93098)
Having a similar issue with my new DisplayLink-based QGeeM docking station on a new Thunderbolt 4 LG Gram computer. Running a 10 ft. high quality USB-C cable between the two (is that too long?).

@Jarda, would you mind describing how you fixed it?

My laptop is HP, based on link up here, i needed differnt graphics card drivers, so i went to hp warranty web, insert serial number of my laptop, find drivers for graphic card, download, Unpack to C:/SWsetup/SPxxx, and from device manager pointed to them (update drivers for intel Iris, "browse my computer").

Aqualung 12-13-2021 05:53 PM

@jarda: Oh, so it's not the DisplayLink drivers that you downgraded, but the laptop graphics drivers, right?

Jarda 12-14-2021 09:22 AM

1 Attachment(s)
Quote:

Originally Posted by Aqualung (Post 93118)
@jarda: Oh, so it's not the DisplayLink drivers that you downgraded, but the laptop graphics drivers, right?

Graphics driver and displaylink also, the ones from "windows update" might be newest and latest, but doesnt work properly.


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