Using the IR port
The IR (infrared) port built into your notebook uses infrared technology to send and receive signals between the notebook and a remote device also equipped with an IR port.
If your notebook shipped with the IR port enabled and if you do not use the IR port and need to make more resources (IRQs) available for other devices, then use the following steps to disable the IR port.
To disable the IR port
1.Remove any PC Cards from the PC Card slots.
2.Click Start, Settings, then Control Panel. The Control Panel window opens.
3.
4.Click the Device Manager tab.
5.Click + next to Infrared.
6.
port on laptop or desktop Properties
7.Click to select the Disable in this hardware profile checkbox.
8.Click OK.
9.Click OK on the Device Manager tab.
10.
Infrared Monitor dialog box opens.
11.Click the Options tab.
12.Clear the check box beside Enable infrared communication on: COM2.
13.Click OK.