Hi. I have an old machine (8 years), 500 MHz originally running Windows98 but now XP, which has always worked perfectly. I purchased a usb wireless network transmitter to connect to my wireless LAN, but it won't work. I've tried the new component on another computer and it's fine (so the device works). When I run the install disk, all is well until it asks me to insert the usb device whence it does not detect it. No matter what I do the machine cannot detect the device. Is there a way to check if my usb ports are working (if that could be the problem). Any other thoughts? Thanks.