Allied Telesis AT-2746FX - Manual (Page 118)

Chapter 4: Microsoft Windows NT 4.0
118
8. Shutdown Windows NT 4.0 and power OFF your computer.
9. Remove the network adapter card from your computer. For
instructions, refer to the documentation that came with your system.
10. Power ON your system.
This completes the procedure for removing the network adapter card
and driver from your computer.