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Windows 7: 2 blown mobos in 6 months - any advice please guru's?

22 Dec 2012   #41
Layback Bear

Windows 7 Pro. 64/SP-1
 
 

I try to keep in mind that thousand of untrained people read our post. One must be careful. My training with lots of amps and volts started years ago in the U.S. Navy. Most readers probably don't have that training. It's kind of like sky diving. Trial and error is not the best method.


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22 Dec 2012   #42
Thorsen

Win7 Home Premium 64x
 
 

Here is some fun info on ATX 12V PSU's

http://www.formfactors.org/developer...20PSDG2.01.pdf
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22 Dec 2012   #43
Indianatone

Windows 7 x64 Ultimate and numerous virtual machines
 
 

Quote   Quote: Originally Posted by mmkarimi View Post
I don insist on opening the psu, but actually there is nothing to be afraid of.
just dont touch the capacitors, and check the fuse.
Ever wondered what "NO USER SERVICEABLE PARTS INSIDE" means? If you open the PSU and it is under warranty you just voided it. Frankly your comments are not wanted on checking the fuse. I for one would not like to find out that someone followed my advice and was hurt or worse. As far as we are concerned a power supply is a magic sealed box that gets replaced when it fails or is suspect. We will let people who work on isolated AC supplies with insulated floors and test equipment work on them. I know I did it for the best part of 30 years. There are people of all ages and abilities on here so remember that and if you can't give safe advice on the subject move on to one you can.
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22 Dec 2012   #44
mmkarimi

Windows 7 Ultimate x64
 
 

Quote   Quote: Originally Posted by Thorsen View Post
Here is some fun info on ATX 12V PSU's

http://www.formfactors.org/developer...20PSDG2.01.pdf
that was good, thanx,
As i said its a common device u can find in lots of electrical devices.
to simplify the act, it changes the 110vAC or 220VAc into 5vDC, so it has capacitor and diods to change AC to DC and a transformer to reduce the voltage, the thing you should keep aware of is the capacitor which may charged from the last use. as it holds DC voltage if its heads shortcut that may cause harm. any high voltage capacitor are dangerous that doesnt mean you must not explore the device and loot it as a mysterious box. these notes are for alerting. i should correct myself, dont touch these carelessly guys, but always explore things with delicacy
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 2 blown mobos in 6 months - any advice please guru's?




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