Updated driver to 385.xx and now i always get an error that no display is connected to the GPU. Today i connected a Monitor to the DVI Connector of my MSI GTX 970 Gaming 4G and i was able to start the Control Panel. Also claymore won‘t work anymore (Big Buffer Error). With ethminer everything is working well but Control Panel won‘t launch. After a reboot of the system Control Panel is working, launching ethminer Control Panel won‘t launch and so on...

Tried uninstall and fresh install of 384.xx and 382.xx but this was no solution.

kindly regards