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My Lenovo Thinkpad Edge E531 (running Windows 7) has a few unneeded media keys above the numpad (Calculator, Lock computer, Web browser and Explorer) that I would like to remap to something more useful to me, namely Home, End, PgUp and PgDown. I've managed to remap three of the keys with common keymapping tools like KeyTweak and SharpKeys, but the Lock key eludes me.

The problem, as far as I can see, is that the Lock key isn't sending a single key code. It's instead pressing both the L and Windows keys at the same time, which is the key combo for locking Windows. Neither of the keycode mapping programs I've tried can handle this, and I can't seem to find a way to disable the key combo. Not that disabling it really matters, I can't remap the Windows key or the L key, since they are both rather useful for using a computer.

Is there any way for me to get the Lock key on my keyboard mapped to End?

Edit: I found a program called KeyCodes that registers all keyboard input. When I press the Lock key, I get a LWin KeyDown, and if I then release it I get an L KeyUp and an LWin KeyUp and the computer then locks itself. The key does not seem to generate any extraneous keycodes.

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Does Lenovo ship a keyboard driver with its laptop? –  Doktoro Reichard Aug 23 '13 at 9:12
    
@DoktoroReichard - It doesn't seem to have a Lenovo driver installed, and I can't seem to find a keyboard driver on their website. –  Bevin Aug 23 '13 at 9:18
    
It is possible (albeit rare) for it's BIOS to have some sort of option that enables you to disable the Lock key. Other than that, try altering the Windows+L binding to something else. –  Doktoro Reichard Aug 23 '13 at 9:21
    
@DoktoroReichard - Well, of what I've read it's not possible to rebind the Win+L combination, but I'll have a look in the BIOS. The biggest problem with that is that I don't want to disable the key on the keyboard, I want to remap it. –  Bevin Aug 23 '13 at 9:28
    
If, as you said, the Lock key isn't being treated as different by some sort of software and is instead a shortcut to the Windows shortcut, maybe you're at a loss-loss situation. I'll link a utility I found earlier, as soon as I find it. UPDATE link. Read the app's FAQ as it describes how to find the scan codes you might need. –  Doktoro Reichard Aug 23 '13 at 9:46

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