W500 keyboard malfunction after switching displays

Anytime I use the FN + F7 key combination to switch the monitor displays, the keyboard malfunctions. None of the keys behave correctly; they behave as if I'm holding down the windows key as well, even though it was never touched.
To fix the problem all I have to do is press the windows key once, and the keyboard will behave as normal. However, we have several of these laptops that we loan out to customers, so we were hoping that someone has a better solution than to put a note on each laptop explaining the bug.
Thanks for the help,
Matthew

Hi, While this could be a hardware issue, it's always worth trying the following. Open windows Control Panel, open Device Manager, expand Keyboards, right click the entry 'Standard PS/2 Keyboard' and select Uninstall. When done, shutdown the notebook. Then unplug the AC Adapter and then remove the battery. Hold down the Power button for 30 seconds. Re-insert the battery and plug in the AC Adapter. Tap away at the esc key as you start the notebook to launch the Start-up Menu and then select f10 to enter the bios menu. Press f9 to load the defaults ( this is sometimes f5, but the menu at the bottom will show the correct key ), use the arrow keys to select 'Yes' and hit enter. Press f10 to save the setting and again use the arrow keys to select 'Yes' and hit enter. Regards, DP-K

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Thanks for the question, and welcome to Apple Support Communities.
The following articles provide troubleshooting steps that may help to resolve your issue:
Apple Wireless Keyboard: Difficulty during pairing process
http://support.apple.com/kb/TS1569
Bluetooth Quick Assist
http://support.apple.com/kb/HT1153
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<Preran> For the benefit of moderators here, I used Google to translate your content into English:
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Follow us on Twitter @VZWSupport

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