My Nexus 7 worked fine on Windows 7 64bit, but now all of a sudden, when I plug it in, it shows me a new device screen, it shows in Eclipse / ADB as Nexus 7 with Android 4.3 (correctly) and then disappears a second or a bit later, when a disconnected device in the ADB log.
ADB then reports this as "Offline" with an unknown OS.
I tried three different USB cables, different USB ports and on my Mac (but not on my main device-device), the device works well. This is really frustrating. I tried to establish a connection with PTP and Media Device. Both do not help.
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