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Leonitron
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Posts: 8
Registered: ‎05-30-2017
Location: DE
Views: 148
Message 1 of 1

ThinkPad T580: External Monitor Flickering and/or snow effect with ThinkPad Docking Station

Hello everyone,

 

I have the case that I have problems with three ThinkPads T580. External screens go out, or a snow effect occurs
The screens are connected to ThinkPad docking station with two DisplayPort connectors
BIOS 1.21 (N27ET35W)
Intel Graphics Driver 26.20.100.6859
Docking Sation:
Firmware Version ThinkPad Docking Station FW Utility 3.1

                    ThinkPad Pro Docking Station FW Utility 3.1
                    PD controller: DA.0.1.8
                    USB hub: 5043/5033
                    DP Hub: 5.03.005
                    USB Audio: 12

Windows 10 1809


Every driver and firmware is up to date. The flicker occurs also in the POST and BIOS. I changed the docking station (same FW Version) and cable. Other monitors are affected. When i connect the Notebook directly via HDMI with one Monitor, i have no problems. This concerns at least three devices. So it seems that the Docking Staion ist the problem

Any suggestions?

 

With kind regard,

 

Leonitron

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