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Windows 7: USB Keyboard ALT keys not functioning.

22 Jul 2012   #1

Windows 7 Home Premium x64
USB Keyboard ALT keys not functioning.

The ALT Keys on my USB Keyboard used to work perfectly fine until around the 1st. I'm unsure of what caused this issue.

The computer I'm using is a laptop and both of the ALT keys on the laptop work perfectly fine.

The USB Keyboard I have has ALT keys but those don't function at all. They used to, but not anymore.

I've tried checking and unchecking sticky keys, looking at the On-Screen Keyboard, uninstalling, rolling back, and updating drivers... full system restores to middle of last month which is about a week before I suspected it stopped working.

Nothing has worked so far... what could this possibly be?

My System SpecsSystem Spec
22 Jul 2012   #2

Microsoft Community Contributor Award Recipient

Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1

Same problem with another usb keyboard?
Attach keyboard to another pc/laptop. Same problem?
My System SpecsSystem Spec
22 Jul 2012   #3

Windows 7 Home Premium x64

Both of the USB Keyboards that are consistent with this problem do work on any other computer. I have two keyboards, one older, and one freshly unpackaged new, same model.

I think it might be an issue in the registry because a while back I was trying to turn off StickyKeys in the registry. The method someone suggested didn't seem to work.
My System SpecsSystem Spec


 USB Keyboard ALT keys not functioning.

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