Read if Experiencing Installation Problems When Using a Tripp Lite USB to Serial Adapter
The following procedure may be required if you have a laptop that does not have a hardwired native serial port. On this type of unit, the manufacturer may have eliminated the serial chipset on the motherboard thereby disabling the USB adapter’s port emulation feature. If this is the cause of your problem, the following procedure will resolve this issue. Please follow the instructions in their entirety.
Creating a Virtual Com Port on Your Laptop/ Notebook:
1.Open Add New Hardware (Start - Settings - Control Panels - Add New Hardware).
2.Add New Hardware Wizard Introduction screen will appear. Click “Next”.
3.Computer will search for connected devices. Either a prompt will appear asking you to select a device from a list or it will ask you if you want to search for new devices. If asked to select from a list, click “No” and then “Next”. If not prompted, simply click “Next”. If prompted to select from a list, the next screen will ask if you want to search for new drivers. Click “Next”.