Got a new update today. Bugfix release. Still on April 1st security update.
Got this update as wellAnd a new small update available, 43MB:
This usually indicates wrong installed ADB drivers or "USB Debug" isn't activated...When using the adb, the cmd always prompts : waiting for any device...
I used this installer for the adb:This usually indicates wrong installed ADB drivers or "USB Debug" isn't activated...
Your PNG reveals you are using Windows 10. The Anniversary Update wiped the MTP Driver for some users. Make sure you install it and set your Yoga Book to MTP !And also in the developer settings I activated the USB debugging, but still it did not work.