6ft USB to RJ45 Rollover Console Cable for Cisco
(1) USB one piece console cable with built-in micro chip.
USB adapter driver install Fix
Go to Windows control panel
1.Open Device Manager
2.Navigate to Port (COM) and you should see (Example ( Prolific USB-to-serial Comm Port (COM4) )
( if the above does not help you with finding the port or if has a yellow exclamation mark on it ) go to next step
3.Right click on it, and choose Uninstall.
4.Reboot Computer and Re-install drivers