INTRODUCTION (SKIP TO "ISSUE FOR PROBLEM") : Hello, I am new here I reviewed a few different technical support forums before choosing this one to post my question to so do not think my registration was just a cry for help. This is my first time asking for help with pc's which is hard for me being as I am a tech. I can not figure out my own personal issue though.
I have windows 7 installed on my Asus U56E-BAL7 for when I choose to work on this instead of my other PC since my day job is work from home help desk. I have had Linux installed before but had to switch since I was working from my couch for a little while when my desk broke and when I had Linux I ran Backtrack 5 (for learning purpouses) and Vanilla debian (for general use) and the thing they both had in common, they worked 100% fine with no issues. After installing windows 7 now that I work out of my office I decided I want to use linux again I tried installed 2 different ubuntu based distros and they both did something unussual. After 10-15 it would force shut the pc down as if there was powerfailure.....just dead...did not matter if it was plugged in or not and no warning sign and after doing it the first time it would happen within 2 minutes until you wait a bit......both distros did this however I am writing on here from windows 7 after quickly jumping in an doing a grub update so I got my 7 install back, and it has been on for hours no shutdown.
THOUGHTS AND WHAT HAS BEEN DONE:
My first thought like many of you was over heating but I can without a dout 100% say there is no over heating or fan blockage and if you put your ear close you can hear the fan running fine and smooth not choppy. The second thing I though was some quincidence with maybe having out of date repoistory info and kernel....so I litterlaly bit by but updated everything and still an issue. The third and final thing I thought which gets really confusing was hard drive failure (remember no events for HDD errors and windows 7 runs flawless) so I decided lets go the live cd method and see what is going on....only a few moments in on a live boot not even with temp storage and shuts down unexpectedly again. Please someone help me figure out what is going on, I work so many hours I have limited time to focus on this so I am reaching out hoping someone has some tests and resolutions lined up. I have no idea why windows runs smooth and linux used to work but now wont run at all.