Lindy USB 2.0 4+1 Port PCI Card 51084 - Manual (Page 4)

4. After restarting your system, please launch Windows device
manager –
[My Computer]
Æ[Properties]Æ[Hardware]Æ[Device Manager]
5. Check for the correct entry (as outlined below) -
Note! If there is a yellow exclamation mark against the NEC PCI to
USB 2.0 Enhanced Host Controller or USB 2.0 Root Hub
Device, please remove this item from the Device Manager by
clicking the Uninstall button, then click Refresh to reinstall this
driver again.