UNSOLVED
U4919DW, not waking up computers
So I have a Dell U4919DW and I have two computers connected to it - my main desktop PC (desktop tower) via a DP and a Type-A/B USB link (to one of the two upstream USB ports) and my work laptop via the USB Type-C link (I use the Type-C cable to charge it and use it for the DP and USB connection). I have it setup so that when I change the video input, the active USB upstream link also changes and I have it setup correctly, changing the input carries over the keyboard and mouse that are connected to the monitor via the two USB downstream ports.
The issue that I have is that if the display link goes to sleep on either of the PCs, changing the video inputs means the monitor does not get a video link. In that case it apparently doesn't do a ('forced') USB link switchover. Since I effectively don't have a mouse and keyboard connected to the PC, I can't 'wake' it or the screen (the PC is not asleep! Only the monitor output goes to sleep), which means I don't get a video link and thus of course I also don't get a USB link. The USB link stays with the previous video input PC.
Is there a way to set the monitor to forcefully switch over the USB link even if it doesn't find a video link on the selected video input?
I just recently found out that switching the inputs via the physical keys on the monitor does switch over the USB inputs. The issue that I'm having manifests only when using the keyboard shortcut to change video inputs through Dell Display Manager. Only in that case the video input is switched, but the USB input is not. Even choosing the same (second, with the timed out display) input connects the USB devices after switching over via DDM.
This thus seems like a DDM connected issue.
Is there a fix in sight?Dell, I do not need another round of 'gives us your service tag' dance only to be told there is no fix for this issue yet and that 'you will keep me posted'. Just tell us IF it's going to be fixed at all. And if yes, then maybe also tell us when. Considering a few of us have been through this for at least a year by now, I'm not really confident it's ever going to be fixed. If that's the case, just say so and stop stringing us along.
Dell, last August i wrote:
"Dell, I do not need another round of 'gives us your service tag' dance only to be told there is no fix for this issue yet and that 'you will keep me posted'. Just tell us IF it's going to be fixed at all. And if yes, then maybe also tell us when. Considering a few of us have been through this for at least a year by now, I'm not really confident it's ever going to be fixed. If that's the case, just say so and stop stringing us along.".
DELL-Cares
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27815 Posts
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2020
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Posted October 26th, 2020 11:00
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