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HP 8470w. Keyboard key "k" not responding. SHIFT keys producing "z" and "q", respectively. After problem arose, BIOS has been updated, but did not solve the problem. External USB keyboard works.
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@kloader replace the keyboard. Until you have a know-good starting point, everything will only be a guess. Here is the guide for it HP Elitebook 8570w Keyboard Replacement
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Must be a regional setting. Check if the wrong keyboard layout is selected. Most common is US international, check the keyboard layout of your laptop if That's your layout. Some countries use a different layout, but it requires a corresponding keyboard.
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I would say that Eelco has the most likely solution. However, it's also possible that you have a bad keyboard. Has anything ever been spilled onto the keyboard, such as coffee or cola? Has the laptop ever been dropped? Have you ever disconnected the keyboard's cable from the motherboard, then reconnected it? Something may have gotten damaged in the process -- perhaps one of the tiny clips which holds the keyboard cable in its socket.
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Try going to device manager and double click keyboard then right click and uninstall then restart ur pc or laptop
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No liquid spilling on keyboard, and the laptop has not been dropped. However, I should mention that Windows 10 crashed (possibly because the harddisk was full during a software update) about a year ago, and the laptop has been without power for almost a year. Soon after the crash I was able to boot a Linux OS from DVD, and did not notice a keyboard problem. It was after a year without power that I discovered the keyboard problem during reinstall of Windows 10. The keyboard problem now also exists when booting the same Linux OS which worked a year ago. So I thought some BIOS/firmware data might have become corrupt during power down, and updated the BIOS. It should also be mentioned that the harddisk has been taken out a couple of times, so, a possibility could be that some mechanical stress has loosened keyboard wire connectors, although I cannot see how that is likely to happen, considering the location of those wires.
von KLoader
I have sort of the same problem! I had the problem suddenly in windows 7, than i switched to windows 10 and it was gone. A week has passed and now it is suddenly back. Hope anyone knows anything
von Timo