[64 bit] Ubuntu 12.04 Freezes on Lenovo L430

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http://ubuntuforums.org – Hi, seems like a common issue accross the board with no real resolution, I have a Lenovo L430 which I purchased recently, I installed 64-bit Ubuntu 12.04 with kernal, with unity desktop and im getting system freezes a few times a day, I have to do a hard reset (hold power button down) to reset my machine, the mouse pointer freezes and the laptop is completely unresponsive. The action I've taken so far: 1. Removed Unity desktop, replaced with Xfce 2. Replaced Open Java with Sun I however still got a freeze, very annoying. I know allot of people are experiencing th (Hardware)