Failing PSU or motherboard

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Guest

Guest
Hello! Im having some problems with my pc. Some time ago i started my computer and as soon as i come in i start my temp monitors which say the tmpin0 tmpin1 tmpin2 äre over 100° C. They are obviously false readings but after that my computer always froze.(happened several times) i turn it off and then start it and within a couple of seconds it shuts off by itself. Then i start it again and it works fine (temps under 30°) It has happened several times but yesterday it refuses to stay on long enough to get to motherboard splash. Could be my PSU which is about 3-4 years old but since the temp readings were wrong before crashes i suspect it might be the motherboard. Anyone know which one it might be?