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Not booting when 4 Pin ATX plugged in


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#1 TechTeen

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Posted 28 August 2012 - 07:57 AM

Whenever I plug in the 4pin ATX Plug into my motherboard, the system turns on for 0.1ms and then turns off. When I turn it on without the 4Pin ATX in, all the fans turn on normally but I cannot see anything on the screen...there's no system beep or anything...:\

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#2 TechTeen

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Posted 28 August 2012 - 08:39 AM

Update: I fixed it by plugging in a 4pin next to the 20pin, and a 4pin in the CPU socket. (my fail) but now im getting "usb device over current status detected" :\

#3 dpunisher

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Posted 28 August 2012 - 11:25 AM

Unplug all USB devices except for keyboard and mouse, assuming they arent PS2. Check for the message again. If no message, well, plug in peripherals one at a time until you see the error message again.

If no change, unplug mouse, retest. If it is a new build, you might have hooked up something a pin off/upside down/backwards on the internal USB headers, check those. Unplug all internal USB headers. Could be a short in the case's wiring harness.

Heck, take a flashlight and check to see if there is anything metallic lodged in a USB port.

Also- Control Panel<Device Manager<Universal Serial Bus Controllers<Generic USB hubs/USB Root Hubs Check for any yellow exclamation marks. doubleclick each "USB "hub" and click the "power" tab. It will tell you the draw of whatever components are hooked to a port. If you have an overdraw warning, and nothing is plugged into the port, there is a short somewhere.

Edited by dpunisher, 28 August 2012 - 11:26 AM.

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#4 TechTeen

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Posted 28 August 2012 - 02:31 PM

Thanks for your suggestions, I fixed it by putting the USB Jumpers back on, I stupidly thought they were just plastic caps to protect the ports :thumbup2:




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