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Power supply good morning sir, i want to install a steel properties measurement device in my plant.the power requirement is " stable three phase power 400VAC,50 HZ and single phase stable power 220/240VAC , 50HZ, is i need any stablizer or ONline ups. im from india. Gaurav Bhatt gaurav_bhatt84@yahoo.com

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What is your price range ?

Posted on Feb 07, 2008


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Printer not powring on


click start control panel administrive tools computer management device manager scroll to ports(COM&LPT) + to expand you should see a communication port and Ecp printer port you might see a yellow? !question exclamation mark or a red X this will mean you need to install a new driver for this device right click you will have options to update driver,disable,uninstall or select properties again you will have the similiar options also you can troubleshoot the device
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Try to measure voltage on power supply with a more acurate tester and you will see if your power tester is good or not. This is the easy way to control acuracy of your tester.

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I just installed a new power supply - ATX V2.01 Model V-400. Everything works fine, except both my CD rom units do not work. There is power connected, because they open and close, but in my device...


Go to device manager and click on the errors and see if they give you a recommendation. If not, right click on your device and you should see "disable" if you see "enable" click on that and exit. Right click on it again and click on "properties", then click on the driver tab. Click on "update driver", then click on "automatically search for..". Right click on device again and you should see "this device is working properly".

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My computer just died the morning. I removed the


red- +5v
yellow- +12v
orange - +3.3
black- 0v
blue- -12v
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green - ps-on(+5v)
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I have a question, why there are 2 voltage in American market? where uses 110v, and where uses 250v? We are a manufacturer of power cords , power supply cords, we really want to know the difference ....


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Dec 18, 2009 | System Power Supplies

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I have many usb devices plugged into my computer, and the computer will not reboot , the power supply is 305 watts


you have a usb hub? try removing it, then rebooting computer- if it re-boots, may be too many usb devices. how many hds and optical (cd/dvd) devices are installed? you can get a 'powered' (wall-wart!) usb hub that doesn't rely on the comp. power supply to supply it. you may want to consider that!
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Circuit diagram


I'm afraid I cannot comply with your wishes, as there are copyright laws governing this, for one. (For existing circuitry)

Two, there is the liability issue. Take for example that I design the requested circuit, give it to you freely, and you or someone in your group is injured using my circuit.

Will state that this is a basic circuit design. I believe that if you 5 put your minds together, you can build this circuit.

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