Changing the COM port of a Crystalfontz USB Display
Step 1 of 3: Crystalfontz USB Driver Download and Installation
Step 2 of 3: Connect the Display
Step 3 of 3 (optional): Change COM Port
Right-click the "My Computer" icon on your desktop, then select "Properties" from the drop-down menu.
The "System Properties" dialog box will be displayed. Click the "Hardware" tab near the top of the
properties window.
Once the hardware tab is selected, click the "Device Manager" button and the device manager will open.
Click on the small "+" to the left of the "Ports (COM & LPT)" to expand that branch.
The Crystalfontz USB display will be shown. Right-click on the Crystalfontz USB display line and then select "Properties" from the menu.
Once the properties dialog is displayed, click the "Port Settngs" tab:
On the port settings tab, click "Advanced"
The advanced settings dialog will be shown. click on the arrow of the "Com Port Number" drop-down:
Now you can select the new COM port number that you wish to use. Once the new COM port is
chosen, click the "OK" button to apply the changes and close the advanced settings dialog.
Click the "OK" button of the properties dialog. The device manager will still be shown, but it may not
have updated to show the new COM port assignment. Choose "Action," "Scan for hardware changes" from the
Device Manager's menu to force an immediate update:
Now the Device Manager will show the updated COM port. Once you have verified that the COM port is
assigned as you would like, you can close the Device Manager.
Step 1 of 3: Crystalfontz USB Driver Download and Installation
Step 2 of 3: Connect the Display
Step 3 of 3 (optional): Change COM Port
Step 2 of 3: Connect the Display
Step 3 of 3 (optional): Change COM Port
This document describes changing the COM port of a Crystalfontz USB display.
This step is entirely optional. In most cases, the COM port that is automatically assigned by windows will work perfectly well and there will be no reason to change the COM port. Do not change the COM port without a compelling reason.
The drivers should already be installed, hardware connected and the New Hardware Wizard completed before you start this procedure.
These instructions assume Windows XP. Other operating systems will follow a similar pattern.
This step is entirely optional. In most cases, the COM port that is automatically assigned by windows will work perfectly well and there will be no reason to change the COM port. Do not change the COM port without a compelling reason.
The drivers should already be installed, hardware connected and the New Hardware Wizard completed before you start this procedure.
These instructions assume Windows XP. Other operating systems will follow a similar pattern.
Right-click the "My Computer" icon on your desktop, then select "Properties" from the drop-down menu.
The Crystalfontz USB display will be shown. Right-click on the Crystalfontz USB display line and then select "Properties" from the menu.
Step 2 of 3: Connect the Display
Step 3 of 3 (optional): Change COM Port
