Random shutdowns , ridiculously low voltages

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Elqt

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Feb 21, 2014
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I have been experiencing random reboots since january.Im sure its not overheating,and not a software error since its rebooted even in the bootmenu.
HWmonitor shows Wtf kind of voltages, can some 1 explain this ? Should i buy a new psu ?
http://i.imgur.com/zAoMlqG.png?1
 
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clarkjd

clarkjd

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Dec 7, 2005
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I think HWMonitor is giving bad readings, as if the voltages on the +12 line were really that low, you wouldn't be able to run anything(including HWMonitor) in order to get the readings.

However, this does NOT remove your PSU from the suspect list.
A COMPLETE list of components(make and model, please!) in your system would be helpful at this point.
 
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T

thx1138v2

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Jun 18, 2011
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Or there could be a problem in the voltage reading circuit itself giving erroneous data. If you have another PSU try it and see what the readings are.

I certainly don't see anything wrong with the temperatures in that one screen shot but you might want to keep that running and then put the system under a heavy load to see if they reach shutdown temps and/or the other voltages fluctuate severely.
 
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Elqt

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Feb 21, 2014
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specs: http://postimg.org/image/p51zz8ynp/
*System shutdowns occur randomly not just under heavy load so i dont see the point of the #2 comment

 
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clarkjd

clarkjd

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Dec 7, 2005
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When you go to the Doctor and say "Doc, it hurts when I do this!" The Dr. will do all kinds of tests, not just say "Well don't do that!" We need as much information as possible in order to make educated guesses as to your real problem. And educated guesses is all they are as we do NOT have access to your PC. It is extremely difficult to diagnose problems long distance.

Looking at the image you posted of your specs, it is a wonder that anything runs as you have a 64-bit OS and only 2 GB of ram. You have to have more than 4 GB of ram in order to take advantage of a 64-bit OS. And you haven't identified the make and model of your PSU.
 
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Elqt

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Feb 21, 2014
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My psu is gigabyte ge-450p-c2.

 
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ko888

ko888

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Feb 18, 2009
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For a system using a single Radeon HD 4850 graphics card AMD specifies a minimum of a 450 Watt or greater system power supply. The power supply should also have a maximum combined +12 Volt continuous current rating of 27 Amps or greater and have at least one 6-pin PCI Express supplementary power connector.

Total Power Supply Wattage is NOT the crucial factor in power supply selection!!! Sufficient Total Combined Continuous Power/Current Available on the +12V Rail(s) is the most critical factor.

Overclocking of the CPU and/or GPU(s) may require an additional increase to the maximum combined +12 Volt continuous current ratings, recommended above, to meet the increase in power required for the overclock. The additional amount required will depend on the magnitude of the overclock being attempted.

The GIGABYTE Superb 550P (GE-P450P-C2) power supply unit, with its maximum combined +12 Volt continuous current rating of 30 Amps and with one (6+2)-pin PCI Express supplementary power connectors, is sufficient to power your system configuration with a single Radeon HD 4850 graphics card.

If the PSU is 3 years or older then some degradation in capacity may have occurred.

HWMonitor doesn't work properly for a lot of motherboards. Try a different monitoring utility.
 
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