If the remote doesn’t work:
Make sure that the batteries for the remote control are charged and installed correctly.
Make sure the front of the remote sensor (IR receiver) is not blocked.
Point the remote control within a
If a pressed key repeats itself or sticks, unplug the remote sensor from the USB connector, wait 1 minute, and plug the remote sensor back in. Try altering the lighting conditions in the room or moving the location of the remote sensor if this continues.
Press the Enter button on the remote control after changing a channel.
Point the remote control toward the remote sensor, and press a button. A faint red light should appear on the remote sensor. If the light appears, then the problem is probably in the Windows Media Center software. Close Windows Media Center, restart the computer, and then open Windows Media Center again.
If the remote control works in Windows Media Center but not when changing channels, you need to reconfigure the Windows Media Center software settings for the cable
Remote sensor is not receiving a signal from the remote control
If a faint red light doesn’t appear when you point the remote control at the remote sensor and press the OK button, try the following:
1Click the Windows Start Button 
on the taskbar,
3Click the plus (+) sign next to Universal Serial Bus Controllers.
4If the eHome Infrared Receiver is listed under Universal Serial Bus Controllers, Windows is properly detecting the IR Receiver. If it is not listed, go to the next step.
5Unplug the end of the USB cable on the remote sensor from the computer, and plug it into the same USB port.
6Disconnect all other USB devices, leave the remote sensor plugged in, and then restart the computer. Plug in other USB devices after the remote sensor appears in the Device Manager window.
Using the Windows Media Center Remote Control 53