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Old 01-23-2019, 01:41 PM   #1
Pawel
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Exclamation Monitor connected to Dell 3100 not getting detected when waking a laptop from sleep

Hi DisplayLink team,

Long time no see!!

I hope you can help me with some very frustrating problem with Dell 3100 docking station.

I have a single BenQ monitor connected to Dell 3100 via HDMI cable. When waking my laptop from sleep, no signal is detected on the monitor. It behaves as if it wasn't plugged in. Each time it happens I have to unplug the power cable from Dell 3100 and plug it back in to resolve the problem. This is very annoying give that I use the sleep mode regularly.

My laptop is running Windows 10 Pro 64 bit. I have got DisplaLink Graphics Driver version 8.5.3490.0 installed.

Is this a known issue and if so, is there a genuine plan to fix it?

Thanks
Pawel G.

Last edited by Pawel; 01-23-2019 at 01:46 PM.
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Old 02-13-2019, 10:40 AM   #2
Pawel
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Any update from DisplayLink team?
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Old 02-14-2019, 10:48 PM   #3
Wim
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Hi

Can you post the logs for this when it is not working so we can see where in the system it is not working?

https://support.displaylink.com/know...to-displaylink

Wim
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Old 02-19-2019, 09:55 AM   #4
Pawel
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Default Logs attached

Hi,

I have attached logs for analysis.

Pawel
Attached Files
File Type: zip DL_Windows_Logs_20190219_092144.zip (892.1 KB, 2 views)
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Old 03-12-2019, 08:28 AM   #5
Pawel
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Hi DL team,

Did you manage to find the root cause of this issue?

Thanks
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Old 04-08-2019, 11:18 AM   #6
Pawel
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Hi there,

Any update?

Thanks
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Old 05-01-2019, 10:54 AM   #7
Pawel
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Exclamation Update

Hi,

I'm still awaiting a feedback from you on this issue, please update.
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Old 09-06-2019, 12:08 PM   #8
Pawel
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Default Feedback please

I have been waiting for somebody to analyse the logs for this issue since February !!

Really, is there no one in the support team who could spend half an hour and recommend a solution ??
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Old 11-15-2019, 09:16 PM   #9
wstidolph
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FWIW, I'm having a similar issue.

I have a Dell XPS 8930 machine with the GTX745 card, and a Dell 3100; my main (4K0 display is directly tied to the GTX745, and two side monitors (1920x1200 each) are connected to the Dell 3100 unit (one HDMI, one DVI). Since the Win 10 Pro 1903 build (roughly) and now on Insider Preview build 19023, when wake-from-deep-sleep the DisplayLink-connected side monitors often don't wake up ... the audio output from the 3100 works fine and the USB devices I have connected to the 3100 seem to be passed through.

I noticed that the Windows Desktop Window Manager was eating a lot of CPU and apparently not using the GPU, so I took to killing that Manager process via Task Manager - that quickly resets the behavior to normal (the monitors get turned on, and the Window Manager CPU use goes back to negligible).

Unplugging/replugging didn't work for me; I put the machine to 'sleep', woke it up, main monitor on, side monitors powered on but no video; unplugged one side monitor and plugged it back in, no change.

I have updated the DisplayLink drivers (now on 9.1.1644.0 according to the Display Manager Properties for my two Display Manager/Display adapters/"Dell USB3.0 Dock" entries), but the DisplayLink System Tray says I'm running 8.3.2938.0 so I'm confused) and the system passesCompatabilityCheck8.2M1.

It's very frustrating. I hope DL responds to you!

Last edited by wstidolph; 11-15-2019 at 09:34 PM.
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