Hi
I am back online, less errors but still black screen
- I uninstalled all USB and display drivers
- reinstallation of the most recent lenovo display driver 7.9.1488.0
>> there are no errors in the device manger anymore
>> USB Display Adapter is on with lenovo usb 3.0 Dock (du9019d1)
>> duplex speed set to 100 MB
>> monitor is "on" but still black......
enclosed the most recent zip of the support tool
thanks for advice
reto
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