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Lenovo NotebooksLenovo P, Y and Z series Notebooks Knowledge Base

Z470 : Hotkey function or special buttons display not working


All of a sudden the display that was showing up when I pressed the special buttons is not coming up. What would be the fix for that?


Your hotkey software that is embedded in power management package may not be working well.


Please go to your

  • Control Panel > Programs and features
  • Look for Lenovo Energy Management  (EM) or Lenovo Power Management and un-install it.
  • Once un-installed it please proceed to download and re-install the latest EM from the links below.

    Lenovo Energy Management
     (Windows 7)

    Lenovo Energy Management (Windows 8)

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