Quote Originally Posted by radargeek View Post
Just a crazy hunch but are you using the USB extension cable? Check that for damage and that it's snug on the CPU end. Also try plugging the drive directly into the CPU without the extension to see if that makes any difference. Lastly, make sure you use a USB 2.0 drive and not a 3.0.
Thats a good idea and matches the random behavior of NON-LID together with the still working parking sensor! Its a hidden installation and the visible part of the cable is ok. I will have to disassemble some parts to a have a look on the CPU so give me some days for feedback

And its the original USB 2.0 steelish USB key