Acer Aspire 4738z Keyboard Problem

  vasudev.govindan 04:57 15 Oct 2013
Locked

My Acer Aspire 4738z keyboard is not working during windows 7,8 installation. The keyboard is working fine in BIOS. So i plugged an external USB Keyboard. The same problem here too. The USB keyboard works fine in bios, but not during windows installation. So, I removed my hard disk and plugged into my desktop and installed windows 8. And i put back my hard disk back into my laptop. But alas, the issue persist. In windows 8 too the USB Keyboard and laptop keyboard is not functioning even though the drivers get installed and are working fine.

At this point, I'm very confused. I don't understand why Bios and Windows are using two different methods of retrieving information from the keyboard.

Any suggestions would be greatly appreciated.

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