Cleanflight wont flash onto SP Racing F3 FC

[Luca]

Hey Kamran,
It would be nice, if you check out Posts about this topic that already exist.
At Example:

SPR F3 EVO fail to open serial port

Cannot get cleanflight to recognise the board. It will flash in DFU but afterwards will not connect. Updated drivers and tried Zadig. Starting to wonder if I have a faulty board, but its more likely me doing something wrong. Any help would be appreciated.

Luca