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Recently I installed Ubuntu 12.04 on my USB flash drive and loaded it on my laptop. It was good and I was able to work. My keyboard and mouse was working fine. I liked the Ubuntu and installed on the hard drive of the laptop. Installation was smooth. When I booted with Ubuntu in laptop it was not at all detecting mouse and keyboard in my laptop. However it was detecting usb keyboard and usb mouse when I attached to it. However it was able to detect keyboard in the grub loader stage.

How cannot it detect keyboard and mouse when USB ubuntu installation was detecting keyboard and mouse?

What is the use of an operating system with so many features, if it is not able to detect keyboard and mouse?

I searched in the google and there is no convincing answer. Is that a permanent bug in the ubuntu?

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closed as too localized by Luis Alvarado Jun 16 '13 at 4:30

This question is unlikely to help any future visitors; it is only relevant to a small geographic area, a specific moment in time, or an extraordinarily narrow situation that is not generally applicable to the worldwide audience of the internet. For help making this question more broadly applicable, visit the help center.If this question can be reworded to fit the rules in the help center, please edit the question.

    
To clarify: when trying Ubuntu (wubi) is was fine, but after install on laptop could not detect inbuilt keyboard and mouse/touchpad? Have you loaded updates? Does and external (USB) keyboard or mouse still work? –  david6 May 10 '12 at 8:49