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ThinkPad NotebooksThinkPad S Series, ThinkPad Yoga and Twist Laptops Knowledge Base

S540 some functional keys not working

Question

I have lenovo s540 . I installed own original version win 8.1. I have problem with some functional keys. Especially with

  • F4- Microphone mute
  • F8  - manage wireleless connection 
  • F9 -settings
  • F10- win search
  • F11 - view programs that are opened
  • F12 - view all the programs

 

I think thats I need driver but I dont know which . 

 

Can you help me ? Thanks 

Answer

Please check you have installed the Hotkey feature application from Lenovo's support site, or else download and install ThinkVantage System Update utility, it is an application which checks’s and enables downloading all of the required drivers and application for your system.  

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Comments

Xander3 On 2016-04-21, 4:57 AM

My Lenovo. G470 SUDDENLY BLACK OUT.  I  CAN'T FIGURE OUT THE PROBLEM. I ALREADY TRY  TO RESTART IT MANY TIME BUT  UNTIL NOW ALSO BLACK SCREEN . GOT SOUND BUT CAN'T SEE ANYTHING. HELP. PLS .

brian-bosh On 2016-08-02, 10:34 AM

hi ive got the same problem but with these keys

z x c v m , . and Enter

some times they work but most of the time they dont

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