no pc wireless connection

I have had a Fujitsu Amilo li2727 pc for 5 years, and I have used the FN+F1 keys to connect my pc to the wireless router in order to use the internet. This function has suddenly stopped working, so I cannot use the internet unless I use a cable from my PC to the router box. Does anyone know how I can get the key function back? Thank you.

  onthelimit1 22:25 12 May 2013

Follow this guide here to turn the wireless on automatically on boot. If it still doesn't work, try uninstalling the wireless driver through device manager, then reboot. If Windows installs the driver, fine, if not you'll have to download it from the Fugitsu site.

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