ok even in my new motherboard at 1st time boot it show 78 but now its showing 100 on high and crit coretemp-isa-0000 Adapter: ISA adapter Core 0: +49.0°C (high = +78.0°C, crit = +100.0°C) coretemp-isa-0001 Adapter: ISA adapter Core 1: +48.0°C (high = +78.0°C, crit = +100.0°C) now showing coretemp-isa-0000 Adapter: ISA adapter Core 0: +49.0°C (high = +100.0°C, crit = +100.0°C) coretemp-isa-0001 Adapter: ISA adapter Core 1: +48.0°C (high = +100.0°C, crit = +100.0°C) which is wrong and i guess that the reason of my motherboard get crashed suggestions for sensors also power maintenance http://ubuntuforums.org/showthread.php?t=1778087
mack_guy911, I'm not technically qualified and so can't help at all but I wish you all the best in getting things sorted out!
I guess GPU isn't optimized so it is putting its load on CPU. Need to fix graphics driver. I am not experienced in Unix but I think it is worth a look.