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HP 6460b keyboard problem

HP Recommended
Probook 6460b
Microsoft Windows 7 (64-bit)

Well it doesn't matter if the internal or external keyboard is connected.

I've tried few settings.

1. Only internal keyboard is connected - I can't use d, j, m, arrows, backspace and few more keys. After few strikes, there's a beep (the same as when the keyboard buffer is overflowed)

2. Only external keyboard is connected (internal is physically disconnected) - I can't use few letters as above BUT when I press the right "right ALT" key almost everything goes OK (except "j" and 1,2,3 digits).

3. Internal and external is connected - the same as No II. After pressing right alt key, both keyboards working properly (except "J") for a while. After some time the same as before...

It looks as some key is still pressed (ALT?)- but why is the same when internal keyboard is disconnected?

It's the same when I boot computer form USB stick - no matter if it's windows or Linux.

Aproximately in the same time I had a problem with BIOS. Bios application error 501. I flashed BIOS with the newest one (F.65) - the same. I saved settings, and from this time everything (with error 501) is OK.

Have you got any ideas?

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Welcome to HP Forums


Since the issue is the same even with the keyboard disconnected, there can be other reasons


The top cover /Touchpad could be interfering with the controller .May be there is a defecting or twisted cable .

Try removing the cables for the touchpad /top cover and check if it makes a difference


If the issue is same, it could possibly be a defective system  board . If the unit is OOW, the unit  may need to be repaired by an HP service provider or by HP for a charge





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