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sketchy
Paper Tape
Posts: 2
Registered: ‎11-28-2018
Location: LT
Views: 934
Message 1 of 2

T480s docking station issue with connected external screen - it goes black

Hello,

 

So - the problem appears when you are trying to use external screen which one is connected to the docking station (there is only two DisPlay ports and no others dedicated to monitors).

When you connect it first time - it's ok. But when you trying to un-dock and dock again - external screen says "no input" and goes down. In other words - external screen is not working.

 

The same issue is described over there:

https://support.lenovo.com/lt/en/solutions/ht081248

 

Mine docking station type is 40AH, but anyway, I tried to run ThinkPad Ultra Dock 135W firmware update - but update says "the firmware you are trying to install is older than the version already installed.

 

My Docking Station:

1sd.JPG

 

Power adapter is 135W.

2asd.JPG

 

All drivers are up to date.

 

Btw - I have many of those docking stations with machines. For some of them everything is fine.

But seems the problem is with docking station. I have two docking stations on my desk right now. And my computer on one is working fine, but with other on - not. So, it's clear that the problem is with the docking station.

sketchy
Paper Tape
Posts: 2
Registered: ‎11-28-2018
Location: LT
Views: 869
Message 2 of 2

Re: T480s docking station issue with connected external screen - it goes black

C'mon !? Nothing ? 

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