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Jan_Macinga
Paper Tape
Posts: 1
Registered: ‎08-30-2017
Location: SK
Views: 9,878
Message 1 of 5

FN + F1 + F4 are turn on... Lenovo ThinkPad T450

Hello,

I have a problem with my laptop Lenovo. I have ThinkPad T450 registered for IBM, so it is not my privat laptop. 

I turned off tihis laptop. next time when I wanted to turn on all  the time my buttons FN + F1(mute button) + F4(mute microphone button) are turn on.  what does it mean ? do you know what this problem represent ?  

 

do you know where the problem is ? 

 

thank you so much 

vicxiaoliang
What's DOS?
Posts: 1
Registered: ‎10-16-2017
Location: US
Views: 9,589
Message 2 of 5

Re: FN + F1 + F4 are turn on... Lenovo ThinkPad T450

I am having the exact same problem on the same machine and when i press shift i get {}Y

klingc
What's DOS?
Posts: 1
Registered: ‎01-13-2018
Location: DE
Views: 8,913
Message 3 of 5

Re: FN + F1 + F4 are turn on... Lenovo ThinkPad T450

Hi, I had exactly the same issue with an T450s. To fix it, open the base panel, disconnect the internal battery, wait a minute, connect it again, close the base panel, then turn the computer on. For me, this worked.

Murphyok
What's DOS?
Posts: 1
Registered: ‎08-13-2018
Location: US
Views: 5,994
Message 4 of 5

Re: FN + F1 + F4 are turn on... Lenovo ThinkPad T450

Flip your lap top over and you will see a hole (extremely small) near the middle.  Gently stick a safety pin or straight pin in and it will re-start your computer. 

 

davidlm07
What's DOS?
Posts: 1
Registered: ‎11-15-2018
Location: FR
Views: 4,099
Message 5 of 5

Re: FN + F1 + F4 are turn on... Lenovo ThinkPad T450

It works for me. Thank you very much. Lenovo T440

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