Why does Ubuntu (and other ubuntu based distros like lubuntu and linux mint) randomly shutdown on my laptop?

Posted by Imran on Ask Ubuntu See other posts from Ask Ubuntu or by Imran
Published on 2012-11-15T18:45:00Z Indexed on 2012/11/20 17:20 UTC
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I have a lenovo g555 laptop and whenever I try and boot a ubuntu based distro off a usb, it randomly shuts off my PC (Not like a normal shutdown with shutdown loading screen but a like a sudden hard power off). This problem occurs even if I have installed the distro on my harddrive.

In the past I've been able to use the distro for 10 min or so before it would it would do this. Now with the latest distros, It randomly pwers off even before it has fully booted up. My hardware specs are on this website.

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