Dell xps 13, Monitors not recognized

[ICTehe]

Hi all,

I have a Dell xps 13, connected to a Targus ACP70EU, the Ethernet and USB ports are working but windows 8 don' t recognize the 2 monitors.

I have the latest software, and also update the firmwire. I have reinstall windows 8 also, then it work for a few days, and we have the same problem.

In the attach Files the result of the debug tool.

I hope you can help me whit this!

Thanks in advance

Laptop: Dell xps 13
Targus: ACP70EU
Monitors: Dell