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Windows 7: HWmonitor Voltage diagnosis (duno if values are correct)

27 Aug 2014   #21
TVeblen

Microsoft Community Contributor Award Recipient

Windows 7 64 Bit Home Premium SP1
 
 

You can do a basic test of a power supply under load using a multimeter.
You connect the multimeter to any spare connector coming out of the power supply with black and yellow wires. A molex connector works best - you can insert the probes directly into the molex connector pin sockets and hold them there with tape. The + goes on the yellow (12v) wire.

Then you power on the PC and observe the readings, as it starts up, once you get to the desktop, and then as you use the computer. You would want to play your game at highest settings.

The voltage should remain steady throughout, no dips or drops. A tiny 1/10 fluctuation is normal in most consumer multimeters.

A PC can shut down due to overcurrent voltage protection in the power supply, Any disruption in power flow from the power supply, CPU overheating, electrical failure on the motherboard - to name a few.


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27 Aug 2014   #22
Denisgsv

64 windows 7 ultimate
 
 

Quote:
A PC can shut down due to overcurrent voltage protection in the power supply, Any disruption in power flow from the power supply, CPU overheating, electrical failure on the motherboard - to name a few.
Dont think its overcurrent as it is occuring only during certain conditions .
CPU seems fine ... (even tested at 100% load)
And i changed motherboard , i thought it was failing .

As for voltage ingame i will give it a try , need to find a multimeter , and as ingame it lasts really little now before shutting down .
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27 Aug 2014   #23
TVeblen

Microsoft Community Contributor Award Recipient

Windows 7 64 Bit Home Premium SP1
 
 

Yes, best to rule out the power supply first (or confirm a problem). Otherwise you are just "chasing your tail".
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27 Aug 2014   #24
Denisgsv

64 windows 7 ultimate
 
 

Went for replacing the PSU , will try it tomorrow . So i can send back the CPU (hopefully ! )

If this also fails ... im getting a laptop
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27 Aug 2014   #25
TVeblen

Microsoft Community Contributor Award Recipient

Windows 7 64 Bit Home Premium SP1
 
 

Ohhhh. No one ever has problems with laptops!
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27 Aug 2014   #26
NoN

Windows 7 Professional SP1 - x64 [Non-UEFI Boot]
 
 

Quote   Quote: Originally Posted by Denisgsv View Post
Quote:
A PC can shut down due to overcurrent voltage protection in the power supply, Any disruption in power flow from the power supply, CPU overheating, electrical failure on the motherboard - to name a few.
Dont think its overcurrent as it is occuring only during certain conditions .
CPU seems fine ... (even tested at 100% load)
And i changed motherboard , i thought it was failing .

As for voltage ingame i will give it a try , need to find a multimeter , and as ingame it lasts really little now before shutting down .
Does the Desktop PC is grounded at the wall plug? What's about electrical fluctuations in your house...

Could be a cable that touching part of the PC case or something doing statics. Check all your cables are not bended/break and well enough protect from each others.
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27 Aug 2014   #27
Denisgsv

64 windows 7 ultimate
 
 

Does the Desktop PC is grounded at the wall plug? What's about electrical fluctuations in your house...

the first sentence , sorry i dont understand what does it mean :| its a usual wall plug , then i got the power bar in which i have attached all pc related stuff , its fixated under the table . Should have a surge protector within .

As for power fluctuations it seems fine now , tho i had likke 5-10 shutdowns during last year , was thinking if that could dmg the psu also .
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27 Aug 2014   #28
NoN

Windows 7 Professional SP1 - x64 [Non-UEFI Boot]
 
 

Quote   Quote: Originally Posted by Denisgsv View Post
Does the Desktop PC is grounded at the wall plug? What's about electrical fluctuations in your house...

the first sentence , sorry i dont understand what does it mean :| its a usual wall plug , then i got the power bar in which i have attached all pc related stuff , its fixated under the table . Should have a surge protector within .

As for power fluctuations it seems fine now , tho i had likke 5-10 shutdowns during last year , was thinking if that could dmg the psu also .
When i talk about "Grounded" is that here i've got at home three cables output in the wall plug, One is grounded for protecting from electrical shocks. So the PC Case is also protected from Electrical statics/shocks and does protect you either.

A Surge protector is a good need in case of lighting thunders.

Two holes wall plugs are not Grounded to Earth...


Attached Thumbnails
HWmonitor Voltage diagnosis (duno if values are correct)-taiwan-socketfit.jpg  
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28 Aug 2014   #29
Layback Bear

Windows 7 Pro. 64/SP-1
 
 

The power bar it's self could also be a problem.
A normal power bar has little or no surge protection.
They normally have a 20 or 30amp circuit breaker.
Does this power bar have a part # we could Google.

What power supply are you getting?
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28 Aug 2014   #30
Denisgsv

64 windows 7 ultimate
 
 

Quote   Quote: Originally Posted by Layback Bear View Post
The power bar it's self could also be a problem.
A normal power bar has little or no surge protection.
They normally have a 20 or 30amp circuit breaker.
Does this power bar have a part # we could Google.

What power supply are you getting?


Power being a problem , i thought about it , discarded the idea because when pc shuts down other stuff like (monitor Router etc) dont shut down , i mean the electricity still gets trough . But i guess swaping maybe worth it .
Ill ask my brother (im at work atm) if he can get a serial number or smthing .

Power supply i went for the best i could find AX760I corsair , was considering ax860 one , but decided i dont need it , 600 is recomended 760 is more then enough , and for now i will stick with 1 gpu .

one can only hope :|

For the grounding im afraid its only 2 , ill check it today also . (tho im in italy it can be also the second row second one )
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 HWmonitor Voltage diagnosis (duno if values are correct)




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