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I'd like to disable ctrl+alt+arrow keys changing the screen orientation. I've seen here that this is a function of the Intel graphics driver. So I followed the directions and disabled hotkeys in the Intel graphics card control panel, but the hotkeys are still enabled. Might there be some other program controlling this? I'm running a Lenovo T420.

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I'm right there with you. This hotkey should never be enabled by default-- it causes way more problems than it solves-- who needs to rotate the orientation of their screen on a regular basis? It should be kept some control panel dialog. –  Conrad.Dean Nov 18 '11 at 22:15
    
+1 for ctrl+alt+arrow keys...this is nice shortcut key!! –  Jeson Park Apr 10 at 10:56
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3 Answers

Besides disabling the feature in the Intel driver you also need to uninstall the Lenovo Screen Reading Optimizer.

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that did the trick! –  Eran Medan Aug 28 '12 at 22:17
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[HKEY_CURRENT_USER\Software\INTEL\DISPLAY\IGFXCUI\HotKeys] "Enable"=dword:00000000

Setting this registry key will do what you want.

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After disabling these keys, I find that they sometimes remain in effect until after the system is rebooted. Here are two possible solutions:

  • Try rebooting the system
  • Try updating the video driver

If neither of those work, then you can use SpyBot's "System Startup" editor feature to disable the function keys StartUp module:

  SpyBot - Search & Destroy
  http://security.kolla.de/

  1. Make sure "Advanced" mode is enabled (under the "Mode" menu)
  2. Select the "Tools" category (only available in Advanced mode)
  3. Select the "System Startup" option
  4. Find the tool called "hkcmd" and disable it (this is Intel's hot key manager module)
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