CPU temp rises over 100c

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R

Ripgear

Reputable
Dec 22, 2014
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4,510
Here is the situation -

System 4 years old -

Last week - it began shutting down.

ASRock Motherboard
amd phenom ii x4 965 CPU

No overclocking

Will boot - but shuts down without warning -
Could be CPU temperature as BIOS shows the temp starting around 28C rising steadily to over 108C. - then shuts down.

Have tried a new Power supply - no difference.
Also tried cleaning heat sink / new Thermal Paste - no difference.

Any ideas on how to resolve would be appreciated.
Wondering if issue is the motherboard or CPU or both.






 
Solution
Q
Your PSU is definitely not the problem unless it's malfunctioning (which you have proved it isn't). Make sure you have good airflow in your system and make sure all fans (including CPU cooler if you got one) are working and spinning the right way. If all that is good, then either you motherboard has a short or your CPU is having problems. Try swapping the motherboard with another one if you have one (if not then they run as cheep as $30 about), or else your CPU is dead and you need a new one :\
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Q

Quaternion

Honorable
Oct 12, 2014
44
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Your PSU is definitely not the problem unless it's malfunctioning (which you have proved it isn't). Make sure you have good airflow in your system and make sure all fans (including CPU cooler if you got one) are working and spinning the right way. If all that is good, then either you motherboard has a short or your CPU is having problems. Try swapping the motherboard with another one if you have one (if not then they run as cheep as $30 about), or else your CPU is dead and you need a new one :\
 
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Solution
Neur0nauT

Neur0nauT

Admirable
Dec 1, 2014
1,526
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Does your CPU heat sink have a fan installed on it? if so, is it spinning and how fast? The fan speed should be monitored within your BIOS where it should at least be over 1000rpm, if not then you need a new heatsink fan.

If the CPU is heating up even after you have re-pasted it and cleaned the heatsink etc. Then the CPU could be faulty or not pasted correctly. a small, thin even layer over the CPU surface spread out with an old credit card is best. Too much, or too thick a layer of Thermal paste can retain heat, and increase it as well as having too little applied.

 
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R

Ripgear

Reputable
Dec 22, 2014
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4,510


So - the thinking is the motherboard is more likely causing the CPU heat issue than the CPU itself ?
 
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Q

Quaternion

Honorable
Oct 12, 2014
44
1
10,565


If all fans are working properly, yes. However, if/when you buy another motherboard, don't go too pricey incase the CPU is, in fact, the faulty part.
 
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