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16 Posts

09-28-2011

Poland

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[T520] keyboard layout broken

2012-06-25, 20:58 PM

Hi,

 

Today my keyboard started to act weird. My power button if pressed rotates the screen 3 times and the right Alt is now 'power button' (puts computer to sleep if pressed, turns it off it held for over 5 seconds, does not wake up). This behaviour is the same in Win7 (normal and safe mode), Kubuntu 12.04 and Ubuntu 10.04 LiveCD. AltGr remains to function as power button even before any OS is booted. Other keys seem to work fine. What I had done before it happened is installed Kubuntu and wiped keyboard with moist paper (moist, not soaking wet). This keyboard is advertised as spill resistant so few wet key should not damage it. Other theory is that Kubuntu somehow messed up something iside it if this keyboard is programmable. This keyboard already failed once few moths ago when it started to insert extra letters after some keypresses but self repaired after few hours.

 

In Lenovo Think Vantage Toolbox there is diagnostics tool to test keyboard. This is the output after pressing real Power Button:

 Alt Gr
Left
(Key Pressed)
Down
Right
Space
/
(Key Pressed)
(Key Pressed)
n
b

 

Not really what you might expect.


I'm lost. 

___________________
T520, T43
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16 Posts

09-28-2011

Poland

206 Signins

627 Page Views

  • Posts: 16
  • Registered: ‎09-28-2011
  • Location: Poland
  • Views: 627

Re: [T520] keyboard layout broken

2012-07-04, 9:21 AM

Laptop is back.
Keyboard has been replaced. No more details on how and why, just "broken".

___________________
T520, T43
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1337 Posts

12-20-2011

Malaysia

1524 Signins

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Re: [T520] keyboard layout broken

2012-06-26, 1:49 AM

huskarl,

Boot into BIOS and do a reset BIOS to default then follow steps below.

 

Try booting into Windows normally then plug in an external keyboard and test the keys on the external keyboard and see if it displays properly. If it displays as per external keys pressed then you might need to contact support to get the keyboard checked.

Also you can try booting into Safe Mode and see if problem persist there as well.

 

edit note: - added BIOS reset. 


*Non Lenovo employee*

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16 Posts

09-28-2011

Poland

206 Signins

627 Page Views

  • Posts: 16
  • Registered: ‎09-28-2011
  • Location: Poland
  • Views: 627
  • Message 3 of 6

Re: [T520] keyboard layout broken

2012-06-26, 18:08 PM

reseting BIOS did not work. External keyboard works fine. In-built keyboard is clearly damaged.

Tomorrow I.m goint to have it checked/replaced.  

___________________
T520, T43
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1337 Posts

12-20-2011

Malaysia

1524 Signins

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  • Posts: 1337
  • Registered: ‎12-20-2011
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Re: [T520] keyboard layout broken

2012-06-27, 2:24 AM
Alright huskarl. Do keep us posted on the outcome =)

*Non Lenovo employee*

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16 Posts

09-28-2011

Poland

206 Signins

627 Page Views

  • Posts: 16
  • Registered: ‎09-28-2011
  • Location: Poland
  • Views: 627
  • Message 5 of 6

Re: [T520] keyboard layout broken

2012-07-04, 9:21 AM

Laptop is back.
Keyboard has been replaced. No more details on how and why, just "broken".

___________________
T520, T43

0 person found this solution to be helpful.

This helped me too

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1337 Posts

12-20-2011

Malaysia

1524 Signins

18366 Page Views

  • Posts: 1337
  • Registered: ‎12-20-2011
  • Location: Malaysia
  • Views: 18366
  • Message 6 of 6

Re: [T520] keyboard layout broken

2012-07-04, 9:55 AM
Thanks huskarl for reverting. Thread mark as solved.

*Non Lenovo employee*

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