I'm not sure if it charges while in bootloader (not hboot), but leave it connected for a few hours and try again. I don't think that's your problem though. Have you tried just rebooting the PC? Or tried on another PC?
XDA Developers was founded by developers, for developers. It is now a valuable resource for people who want to make the most of their mobile devices, from customizing the look and feel to adding new functionality. Are you a developer? | Terms of Service