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Onboard touchpad/keyboard not working in Windows

By Superp0pe ·
I have a friend's HP Pavilion dm4-3050us running Windows 7 Home Prem that does not recognize the onboard touchpad or keyboard in Windows, or the recovery environment.

Booting into MSDaRT, or a WinPE disc, I have the same problem. In BIOS, the keyboard works just fine. Attempting to boot to a linux live cd BSODs with the error code 0x7E, which in my experience usually means a bad hard drive. However, oboard diagnostics (which recognize the keyboard) and PC Doctor 7.5 (no problems there, either) find no hardware issues.

USB mice and keyboards have no problems, and virus scans inside and outside of Windows show everything as clean. Also, a full recovery did not fix the issue...

Any ideas?
Need more info?
Let me know...

Thanks,
Superp0pe

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