are peltier coolers usually this eratic?

Jun 14, 2003
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i have a thermal take sub zero 4G thermo electric cooler on my P4..........the temps fluctuated very fast, i use motherboard monitor 5 and on idle the cpu will jump between 32-39 degrees.....once i jus come out of a game...say generals or ut....the cpu wil be up round 44-50 degrees and then a matter of a few seconds its back down to 39

is it normal for these to be eratic?

also i have a wierd problem....if i turn the computer off....but leave the mains on overnight and boot up in the mornin.....the blue LED on the 4G unit flashes slowly...and for sum reason the network card wont work either....its like they are connected in some way...when the cooler has sumthing rong so to does the network card....a quick reboot solves this, but its annoying!!!