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View Full Version : Connecting Ethernet causes dock to lock up?

pf01
09-01-2021, 12:26 PM
Hi,

I have a dynadock U3.0 and I've started experiencing a problem where the display starts flashing and Ethernet drops out seemingly randomly.

It started just now so I tried downloading the support tool, but couldn't complete the download due to the problem, so I unplugged the network cable and switched to wireless...and it stopped doing it. I plugged the cable back in after the download completed and straight away the display blanked briefly and Windows showed the ethernet connection went from connecting to disconnected.

I searched here and couldn't see it's a known problem, any suggestions for troubleshooting this?

Support files attached.

Cheers
EverEve
09-01-2021, 06:18 PM
Hello,

The problem is very similar to the one I've described in this thread:

https://www.displaylink.org/forum/showthread.php?t=67840

Which and how many monitor outputs are you using?
pf01
09-01-2021, 09:00 PM
Yes it does seem similar. I'm using the DVI output and my monitor has a DVI input so no adaptors in the middle. I note you also experienced the problem over HDMI.
EverEve
09-01-2021, 09:11 PM
Do you know the chipset model of your device? Which device is?
pf01
09-02-2021, 08:13 AM
It's a Toshiba dynadock U3.0, I don't know the chipset but from what I can see in the log files I have the hardware ID details from System_Details:

dynadock U3.0
USB\VID_17E9&PID_4305&REV_3015&MI_00
dynadock Ethernet
USB\VID_17E9&PID_4305&REV_3015&MI_05
dynadock U3.0
USB\VID_17E9&PID_4305&REV_3015&MI_01
dynadock Audio
USB\VID_17E9&PID_4305&REV_3015&MI_02
USB Composite Device
USB\VID_17E9&PID_4305&REV_3015

It looks virtually identical to yours except for the branding and extra 3.5mm audio ports on the back.
EverEve
09-02-2021, 09:21 AM
Hello, it seems the chipset is identical: DL-3900

https://www.tweaktown.com/reviews/4708/toshiba_dynadock_u3_0_universal_usb_3_0_docking_st ation_review/index.html

I would suggest to replace the cable. Haven't you got a DVI-VGA adapter and a VGA cable?
pf01
09-02-2021, 02:47 PM
Both display and dock have HDMI ports so I'll try that. Have you had any success opening the log files, they look encrypted or something?
EverEve
09-02-2021, 02:57 PM
Hi, I think only forum admins can download zipped logfiles.
pf01
09-04-2021, 06:53 PM
Bah, it was looking good but connecting over HDMI made no difference. Any way to get the attention of an admin?
KatarzynaCzaja
09-13-2021, 12:50 PM
Bah, it was looking good but connecting over HDMI made no difference. Any way to get the attention of an admin?

Hello,

Our support reached out to you via email for further support of the problem you are experiencing.
Please check your email.

Thank you,
Katarzyna
pf01
09-13-2021, 01:13 PM
Hello,

Our support reached out to you via email for further support of the problem you are experiencing.
Please check your email.

Thank you,
Katarzyna

Hi Katarzyna -

Thanks - the email has come through OK