Just starting out with Android development; have a Nexus 5 bought in Japan, but with English version of android (presumably shouldn\'t matter). I installed Android Studio on
I've had this problem many times before with my Galaxy Nexus. Despite having the Android SDK's USB drivers installed, it did not seem to suffice.
I've always solved this by installing a program called PdaNet. While I don't know exactly what it is used for and where it gets its drivers - it comes with the drivers that has always fixed the problem for me. You can uninstall the program itself once it has finished.