At this point, I usually refill my water glass, eat an apple and check out Mozart:
https://www.youtube.com/watch?v=vp_h649sZ9A
I suggest you disconnect the copter from USB and reboot the PC.
Once the PC is restarted, with Chrome and Baseflight NOT running, connect the copter. Does Windows recognize it?
If not, open device manager (or whatever passes for it in Windows 8) and go find the broken device and update it.
https://www.youtube.com/watch?v=vp_h649sZ9A
I suggest you disconnect the copter from USB and reboot the PC.
Once the PC is restarted, with Chrome and Baseflight NOT running, connect the copter. Does Windows recognize it?
If not, open device manager (or whatever passes for it in Windows 8) and go find the broken device and update it.