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Sony VAIO laptop running Windows 2008 R2. It has been working fine.

Its not in use for few weeks, now opening the laptop does not allow type-in the password. character # being typed-in automatically in any text area (typable area). Can't log in because # character automatically typed in the password text box, deleting the character simply retypes....

Removed the key, cleaned BUT the issue is still the same. Used various malicious software, warm cleaners with no resolution. No virus,warm etc found. This seems to be laptop key board.

Think that removing the laptop key board and using external key board may help?

Any help and insight appreciated.

Thanks,

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Have you tried an external keyboard? That seems like easiest way to tell you if the built in keyboard or software is at fault. Testing the built in keyboard with a live CD will also help identify the problem. –  Kyle Feb 25 '13 at 16:32
    
thanks. External key board connected. But the character # repeatedly still typed in automatically regard less of external keyboard connected or not. –  sukumarraju Feb 25 '13 at 16:54
    
Laptop key # is the culprit caused all the trouble, disconnecting the laptop key board has resolved the issue. Using external key board happily. –  sukumarraju Feb 26 '13 at 10:07

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