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Honor Student
IhorKo
Posts: 3
Member Since: ‎12-03-2010
Message 1 of 6 (1,056 Views)

HP ProBook 4720s - Keyboard problem

Hello all,

 

Recently I've bought HP Probook 4720s, and sometimes keyboard stops working normally, some buttons not print on the screen (in any editor, notepad or ms word etc)

 

For example, if I print 10 times button "1" then "enter" in notepad, and repeat that several times, result will be:

 

111111111

1111111111

111111111

111111111

1111111111

111111111

1111111111

1111111111

 

PC system is Windows 7 Ultimate, BIOS is 16/09/2010, same problem occurs in Safe Mode.

Link to video with problem demonstration: http://www.youtube.com/watch?v=zAFDb9HqEzs

 

Could anyone help me?

Thanks!  

 

Actually issue described: http://h30499.www3.hp.com/t5/Notebook-HP-Compaq-Armada-EVO/HP-ProBook-4720s-Keyboard-problem/td-p/23...

Maybe here HP support can provide with some solution! Thanks.

PhD Student
Knute
Posts: 1,329
Member Since: ‎09-29-2010
Message 2 of 6 (1,047 Views)

Re: HP ProBook 4720s - Keyboard problem

Is the unit under warranty?  The warrant status can be checked here:

http://www13.itrc.hp.com/service/ewarranty/warrantyResults.do?admit=109447627+1286541891570+28353475

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  • Honor Student
    IhorKo
    Posts: 3
    Member Since: ‎12-03-2010
    Message 3 of 6 (1,044 Views)

    Re: HP ProBook 4720s - Keyboard problem

    Yes, its under warranty, and I've already visited local HP support three times, they replaced me a keyboard in laptop but issue still exists.

     

    They always say that they can't reproduce that problem. (as there is not simple way to reproduce it)

    PhD Student
    Knute
    Posts: 1,329
    Member Since: ‎09-29-2010
    Message 4 of 6 (1,041 Views)

    Re: HP ProBook 4720s - Keyboard problem

    Can you reproduce the error using an external keyboard as well?

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  • Honor Student
    IhorKo
    Posts: 3
    Member Since: ‎12-03-2010
    Message 5 of 6 (1,040 Views)

    Re: HP ProBook 4720s - Keyboard problem

    No, on external keyboard everything works perfect, (in same time when laptop's keyboard doesn't work)

    PhD Student
    Knute
    Posts: 1,329
    Member Since: ‎09-29-2010
    Message 6 of 6 (1,024 Views)

    Re: HP ProBook 4720s - Keyboard problem

    Sounds like a tricky one to me.  Perhaps someone else on this forum has some ideas??

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