troubleshooting Question

Keyboard not working on laptop running Windows 7

Avatar of Andreas Gieryic
Andreas GieryicFlag for United States of America asked on
Laptops NotebooksWindows 7
18 Comments5 Solutions1871 ViewsLast Modified:
I recently purchased a Dell Vostro 1520 laptop. It came with Vista. I upgraded it to Windows 7 Professional within a few days. It ran fine for a month (according to the end user). Now it has lost all keyboard functionality. the mouse still works. the user did say he installed Webcam drivers updates and Windows updates prior to this happening.
I confirmed that it passed the hardware diagnostics and that the keyboard works in the BIOS. But, as soon as Windows 7 is up and running, no keyboard. I then tried to attach a known good Dell USB keyboard. It didnt work either. No "cap or numbers lock" keys lit up.

I performed a "system restore" to a known good earlier date. this did not help either

I then deleted the keyboard driver in "Device manager" and rebooted PC. Upon reboot, it reloaded the keyboard driver but still no keyboard functionality

Does anyone have any idea? I have never seen this before.

Its definetly a Windows issue and not a hardware issue
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