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3 Posts

03-04-2017

United Kingdom of Great Britain and Northern Ireland

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B50-30: my keyboard misses characters

2017-03-04, 10:00 AM

I have a B50-30 and sometimes it doesn't acknowledge keystrokes from my USB keyboard.

 

I have used the keyboard with a laptop and tried a different keyboard with the desktop. the problem is only evident on the desktop regardless of us keyboard (i am using the onscreen keyboard to type this).

 

The USB board will work for a while and then start missing characters, typically vowels (!). I have checked the ease of access options and everything is turned off including filter keys.

 

It is particularly bad at the moment, but might work for days at a time.

 

Mod:  edited Subject line to add system type

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2954 Posts

02-22-2017

United Kingdom of Great Britain and Northern Ireland

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Re: B50-30: my keyboard misses characters

2017-03-06, 11:07 AM

Hello Stuck104

Thanks for using the Lenovo forums.

If you have access to one, try to see if you can use another USB keyboard, or try using the existing one in another unit, this would help to rule out the issue with the board itself.

 

Otherwise, if it works, try a static discharge for this, it may help to resolve the issue or at least get rid of any built up static on the motherboard.

(If the battery is internal, please just skip the remove/replace battery steps.)
1. Turn the unit off
2. Remove the battery and the Mains adapter
3. Press and hold the front power button for 30 seconds
4. Replace the battery and the Mains adapter
5. Turn the unit on as normal

Hope this helps, let us know how you get on.


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Pesszimistának lenni a legjobb, vagy igazad van, vagy kellemesen meglepődsz...
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2954 Posts

02-22-2017

United Kingdom of Great Britain and Northern Ireland

1083 Signins

26243 Page Views

  • Posts: 2954
  • Registered: ‎02-22-2017
  • Location: United Kingdom of Great Britain and Northern Ireland
  • Views: 26243
  • Message 2 of 4

Re: B50-30: my keyboard misses characters

2017-03-06, 11:07 AM

Hello Stuck104

Thanks for using the Lenovo forums.

If you have access to one, try to see if you can use another USB keyboard, or try using the existing one in another unit, this would help to rule out the issue with the board itself.

 

Otherwise, if it works, try a static discharge for this, it may help to resolve the issue or at least get rid of any built up static on the motherboard.

(If the battery is internal, please just skip the remove/replace battery steps.)
1. Turn the unit off
2. Remove the battery and the Mains adapter
3. Press and hold the front power button for 30 seconds
4. Replace the battery and the Mains adapter
5. Turn the unit on as normal

Hope this helps, let us know how you get on.


==================================================================================
Did someone help you today? Thank them with a Kudo!
If you find a post helpful and it answers your question, please mark it as an "Accepted Solution"!

 

This will help the rest of the Community with similar issues identify the verified solution and benefit from it.

Pesszimistának lenni a legjobb, vagy igazad van, vagy kellemesen meglepődsz...

0 person found this solution to be helpful.

This helped me too

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3 Posts

03-04-2017

United Kingdom of Great Britain and Northern Ireland

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22 Page Views

  • Posts: 3
  • Registered: ‎03-04-2017
  • Location: United Kingdom of Great Britain and Northern Ireland
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  • Message 3 of 4

Re: B50-30: my keyboard misses characters

2017-03-06, 11:10 AM

I had already tried another keyboard and that had the same problem. I did the static discharge thing and the problem has gone, thank you.

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1 Posts

04-08-2017

Peru

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  • Location: Peru
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  • Message 4 of 4

Re: B50-30: my keyboard misses characters

2017-04-08, 23:56 PM

hello i have a similar problem maybe you can helpme to fixed it.

i have a b41 and when i plug an USB keyboard only the alphabeth works the numpad doesn´t. 

even i plug an num pad keyboard and this one doesn´t work.

i updated the drivers didn´t work.

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