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Power Supply Wires Shorted Out


Another alternative is to seek professional assistance. Understand that just because you have a Power Good\OK signal, does not guarantee +- 12V is ok, although with a well designed PSU, there is a high probability that most of If you have the means, try swapping out the PSU or testing it in another system to be 100% sure it's not the cause. The PC's power on momentary switch is connected to the power control circuits (PCC) on the mobo. http://macland.net/power-supply/power-supply-atx-2-0-any-suggestions-as-to-a-power-supply.php

Below are few photos:12V output test. ^^Now it's officially dead. solved Is a higher wattage power supply more likely to trip a circuit breaker? Mobos cost more and replacement is more involved so save that for last. * Note! When the Power Good\OK signal goes high or logic level 1, The PCC stops suppressing the clock and initializes the CPU by sending it a reset pulse. http://www.instructables.com/id/How-to-power-up-an-ATX-Power-Supply-without-a-PC/

Test Power Supply Paperclip

Fig.1 ATX 20 pin Power Connector Important Note! That allows for maximum power flexibility while still maintaining the 235-watt limit. The motherboard looks for this signal, and if it finds that between +3.0V and +6.0V is passing through the Power_Good pin, it knows it’s okay to turn on and start making

solved Will a USB light short-circuit my computer? Data Centers Untangling the wires: Getting to know your power supply So you have tested everything from the motherboard to the floppy drive. For example, you might see an ATX-style 250-watt power supply or an LPX-style 200-watt power supply.LPX style is a descendant of the Baby-AT, AT/Tower, and AT/Desk type of power supply and How To Turn On A Computer Power Supply Power supply manufacturers will provide you with specs on request for their power supplies, but a typical 250-watt LPX power supply might break down like this:+5V—Maximum of 25 amps (125 watts)+12V—Maximum

If the PSU On signal is now a logic 1 (~ 2.5v or higher) your motherboard is bad. Turn On Power Supply Without Motherboard Fractal Design Define C by Aaron Lai by chconline posted 8 hours and 24 minutes ago, with 13 replies. MarkT Brattain Member Posts: 23,030 Karma: 1103[add] Arduino rocks Re: How to repair shorted a ATX power supply? #3 Sep 15, 2012, 01:54 pm Given that any number of the active http://www.tomshardware.com/forum/316169-28-short-green-black-wire-turn-power-supply If all remains OK, you should replace your hard drive.

solved Can the stand-offs short circuit a mobo if it isn't plugged in? Atx Power Supply Pinout Turn On If you have power here, something is wrong with your fans and/or hard drive. If you are having trouble try that

Great tutorial by the way. I am saying, maybe I short circuited it when I didn't do it individually?

  1. Most may not power-up right off the bat..
  2. The analog type, with the needle-style readout, can damage computer circuits.
  3. by chconline posted 8 hours and 25 minutes ago, with 1 replies.
  4. I don't know what to do and it'd suck if I broke it.
  5. I happened to see your page so i tried with an old psu that i wasn't using...I was dissapointed at first because the psu started for a moment and then it
  6. Now inside the system unit, connect your black lead of your meter to one of the black wires on either a spare 4 pin power connector or push it in one
  7. The wattage of the power supply refers to the maximum wattage of which it is capable.

Turn On Power Supply Without Motherboard

When this was happening before the breaker started flipping I thought it was just a finicky switch.No breaker was flipping at that time ... his explanation It was fine but the motherboard had died on me. Test Power Supply Paperclip Measure this on pin 8 of the 20 pin PSU connector on the motherboard that has the only gray wire going to it. Atx Power Supply Turn On If however, the standby voltage is now in spec, then either the PSU can't keep the voltage up under load or your mobo is at fault.

The bottom line is don't believe just because you have a Power Good\OK signal that +- 12V is OK, especially under load. http://macland.net/power-supply/power-flashes-when-i-flip-the-power-supply-switch.php Then connect your red lead to the PSU On signal on pin 14 which has a green wire going to it. Really useful. There are three reasons a power supply can cause a problem:Physical failure—In a failing power supply, the power supply is not generating its rated amount of power or it is providing How To Test Atx Power Supply Without Motherboard

The next time you have a baffling hardware problem to troubleshoot, remember to check the power supply! If you do not have a DMM or VOM, I will try to offer alternatives where I can. try unplugging every cable from your motherboard and other peripherial and only connect psu to like a hard drive or fan and do the paperclip method to see if he psu this contact form These instructions are part of your system or graphic card BIOS and are typically located in an EEPROM or similar memory device.

It is possible for both the PSU and Mobo to be bad! Atx Power Supply Wire Colors solved 120mm Case fan (3 pin) rewiring to molex - but it's black, yellow and green just like a PWM without the blue wire? If you are plugged into a power strip or APC be sure to test the exact outlet the PC's PSU will be plugged into.

After reading the previous paragraph, you are probably still wondering, "Yeah yeah, whatever.

If you shorted across supply rails (say +12V to +3.3V) then whether or not you might have messed something up depends on how those rails were built. solved 750w power supply overloading circuit? {shutting down computer] Behringer SPS600 power supply circuit board and parts list solved Power supply (PSU) only run when short green and black wire? If is ok now, suspect one of the cards. Atx Power Supply Jumper If the voltages are not correct then the PSU may be bad.

In a week or so, I'll be buying a PCIE to Thunderbolt enclosure and a graphics card for which I'll need a separate power supply. More resources See also Power Supplies: Why the clear plastic under the circuit board and up the sidewall? The 700 watt PSU can not take over t 10 amps by legal codes that apply to it. navigate here And it does that much faster than the mechanical brander can respond.

General reference for North America.http://www.moeller.net/binary/ver_techpapers/ver939en.pdfQuote3Differences between relevant electricalstandards and market conventions inboth North America (primarily the USand Canada) and the IEC world playa key role in shaping the design anddetermining the If you still do not have +12v, Either the PSU, The motherboard, or the hard drive are causing the problem. This saved my equipment.

Do I plug in the ATX before or after installing the wire into the green and black sockets?

Unless the part of the wire you are touching is insulated, See Table A and Table B for a breakdown on what each pin does.Table A PIN PURPOSE P8-1 Power_Good (+5V) P8-2 +5V P8-3 +12V P8-4 -12V P8-5 Ground P8-6 Ground P9-1