Power supply on my power supply my atx2 connector the book said no.18 is a +5v on the plug i have -5v how do i make it +

You don't need to convert from -5 to +5 just from any +5 pin make bridge to that place you need that is sonlution if your power supply i have more than 350W.

I agree that if you have a blown power supply that requires repair it doesn't make economic sense to try to fix it. Some repairs on higher end power supplies DO make sense; bad switches, fans and connectors can be fixed easily by most users. In this case I would first verify the motherboard manual is correct before I purchase anything especially if the PC is working with the polarity "reversed" as it is now. You can call the manufacturers tech support to verify the power outputs, search the Internet for a pin-out diagram and verify it that way. An easier and probably better alternative is to purchase an inexpensive $10 to $15 (US) power supply tester. They are easy to find (here anyway) and would easily detect a voltage or polarity issue if one exists.

Hiya Its pointless changing power supplies and farting around with them They are so cheap in todays world Buy a new one with online support Click this link Power supplies start from £4.00 http://tinyurl.com/yqkmo9 If you like this site Tell all your friends and give them this link.