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Windows 7: Voltage reading!

01 Oct 2011   #1
moonbeep

Windows 7 Professional x64 SP1
 
 
Voltage reading!

Have used speccy and speedfan and both are showing my +12V at anything between 1.734v and 3.0v,mother board is only new and fitted on Wednesday as a replacement,surely something cant be right?


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01 Oct 2011   #2
TVeblen

Microsoft Community Contributor Award Recipient

Windows 7 64 Bit Home Premium SP1
 
 

The first thing you want to do is check in the BIOS settings to see what the voltages are there.

Some motherboards don't play nice with speedfan and other software based sensors so that is why you want to check what the motherboard says.

For a definitive test you would want to use a multimeter to measure the voltage on any yellow wire on a spare connector while the computer is running (yellow=12v).

But I highly doubt the PC would even boot with 12v readings that were actually that low!
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01 Oct 2011   #3
moonbeep

Windows 7 Professional x64 SP1
 
 

Reading 12.048V in the Bios,thanks for the advice!
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01 Oct 2011   #4
dsperber

Windows 7 Pro x64 (1), Win7 Pro X64 (2)
 
 

Quote   Quote: Originally Posted by moonbeep View Post
Reading 12.048V in the Bios,thanks for the advice!
You might try another program (other than Speedfan), which might produce results that match your BIOS values.

I have long used the highly-regarded [but not free] Everest, which last year became Aida64. At that transition there was a free upgrade license given to the initial 1.50 version of Aida64, which certainly worked fine for "older" hardware that was supported by Everest.

Newer hardware, CPUs, GPUs, sensor chips, motherboards, etc., are supported by ongoing evolution of the new active Aida64 product development team. As that is relevant to me I purchased a new license for Aida64 (current version 1.85) that correctly shows all sensor values for the hardware in several brand new machines (which were not showing with the previous 1.50 initial version).

You could certainly try it using the free 30-day trial period, to see (a) if it measures your voltages properly, and (b) if you like it and want to pay $39 to buy it.

Here is my own customized "OSD" presentation:

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01 Oct 2011   #5
carwiz

Windows 7 Pro-x64
 
 

HWiNFO will do the same for free.

Quote:
Have used speccy and speedfan and both are showing my +12V at anything between 1.734v and 3.0v
I can assure you that if your 12v readings were that low, you wouldn't be able to read them. Your PC would be dead.
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02 Oct 2011   #6
A Guy

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium x64 SP1
 
 

Suggest d/l OCCT Beta. this is a stress testing tool, but it has a great monitoring feature that opens at startup. No need to use the program, just open it and you will see all your applicable run voltages. It links to version 16 of the beta now BTW

http://www.sevenforums.com/overclock...-beta-7-a.html

A Guy
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02 Oct 2011   #7
moonbeep

Windows 7 Professional x64 SP1
 
 

Quote   Quote: Originally Posted by A Guy View Post
Suggest d/l OCCT Beta. this is a stress testing tool, but it has a great monitoring feature that opens at startup. No need to use the program, just open it and you will see all your applicable run voltages. It links to version 16 of the beta now BTW

http://www.sevenforums.com/overclock...-beta-7-a.html

A Guy
Current 12v on OCCT is 1.34v and max is 3.49v,as stated reads 12v in the bios and mother board is new and only fitted by a technician last Wednesday,PC seems to be running fine though!


12v reading just says Trial on AIDA64
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02 Oct 2011   #8
A Guy

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium x64 SP1
 
 

As stated, your 12 volts could not be that low, or the PC wouldn't work at all. Since multiple programs are reading the voltage wrong, but BIOS is apparently ok, it is the monitoring sensors somehow. You can d/l HWMonitor (it is free), but I suspect it too will have the incorrect readings.

A post at another forum by a former member here seems to say this isn't uncommon, and is a windows issue (see last post in thread).

Sensors reporting incorrect values

A Guy
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02 Oct 2011   #9
moonbeep

Windows 7 Professional x64 SP1
 
 

Quote   Quote: Originally Posted by A Guy View Post
As stated, your 12 volts could not be that low, or the PC wouldn't work at all. Since multiple programs are reading the voltage wrong, but BIOS is apparently ok, it is the monitoring sensors somehow. You can d/l HWMonitor (it is free), but I suspect it too will have the incorrect readings.

A post at another forum by a former member here seems to say this isn't uncommon, and is a windows issue (see last post in thread).

Sensors reporting incorrect values

A Guy
HWinfo reports 12v as 11.922v!
My System SpecsSystem Spec
02 Oct 2011   #10
A Guy

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium x64 SP1
 
 

Interesting. I do believe this is a windows monitoring issue rather then hardware, although the new MB may be what started it. The voltages are clearly correct. I do think it is important that you can monitor voltages and temperatures when necessary. Hopefully HWMonitor will continue to be a program you can count on. Maybe another member will have suggestions why the others reported incorrect voltages. They should be compatible with your new MB. A Guy
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 Voltage reading!




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