as follows: Control Panel > System > Hardware
> Device Manager > and somewhere in the list was my Android device with big yellow
question mark (suggesting its status, I guess). Right clicking there showed me a pop-
up window where I could choose Update, which finally worked.
解释:
There are two issues with the windows usb driver for the G1:
1) The line endings in android_usb.inf are unix-style, not windows-style.
2) The device class GUID the .inf file is wrong.