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Windows 7: Which is VCC and GND in this USB cable?

06 Sep 2014   #1

Windows 7 Home Premium 64bit
Which is VCC and GND in this USB cable?

I am trying to create cooler pad for my laptop. I have 3 5Volt fans. I pulled out two usb cables from old keyboard and a mouse. Things are different here. I heard it would be Red, White, Green, Black will be inside.
But what I got from both is this. I see no black. but a blue one.
Which is VCC and GND in this USB cable?-20140906_141013.jpg
Its from Intex Usb Keyboard and Mouse bought in India. I tried using my skin(i have no multimeter), Red Green and Blue show some power. But white is dumb. I think white is GND.

My System SpecsSystem Spec
06 Sep 2014   #2

Windows 7 Home Premium 64bit

Got it. Blue VCC, Red GND.
Tried connecting all cables randomly to fan. And found the working combination.
My System SpecsSystem Spec

 Which is VCC and GND in this USB cable?

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