The switch of enermax psu is on.LED in mother board is flashing,when I push on the start button.The psu will shut down,LED in mother board not flash.wait for a minute LED will flash again.Sometime the psu works perfectly.when change psu it work. How to repair enermax psu.what components is go bad.
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Are you checking the voltage outputs of the PSU with it connected to a motherboard or standalone? Most designs will not power up if there is excessive load (as in a short/high current), however, there are also designs that will not power up if there is no load.
Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.
the problem is in your motherboard..this most cause unregulated flow of power from the source electric..but if the green led is off so its the processor.try to test it with a motherboard tester..or get another board that same spec with the you have,and transfer the processsor if it is working
Can you tell if the flashing is a pattern. count the flashes ( long and short) in a cycle. This will provide an error code to hopefully discover the problem.
You may also try removing and reseating the RAM and Video card, blowing out the connectors with compressed air before reseating.. Also look closely at the components on MB for any signs of swelling, leaking, burning etc. I suspect the MB.
sounds like your power supplie has not been switched on by *********** board.the fan will not turn on until power supplie is turned on by mb.as far as what is wrong there are several things i can think of.i would try resetting bios. It sounds like your power supplie is working and your motherboard could have a short.but i have no way to be sure without testing. I can however tell you how to perform a test on your power supplie.unplug the 20 or 24 pin connector from your mb. look for a green wire,and then locate the grey one.short these two together(you can use a paper clip or something).if it dosnt power up. your power supplie is bad.also do not short any other wires,and only touch the grey and green for a few seconds as this is not how it was intended to be powered on.
Disconnect the ATX main connector, bridge (with a wire clip) the green wire and any black (negative) wire, this should allow you to power up the PSU... now take a digital multimeter and measure the voltages on the 3.3v (orange), 5.0v (red) & 12v (yellow) lines, you will need to place the negative lead off the DMM on any black (negative) wire to achieve this...
If your PSU is off specification ie. more than 5% variance this IS your issue.
u check almost all ....
also check with u r power buton of front panel of pc if this button is get short then it is possible .....please disconnect switch from board & just short with any metal ....if u r pc is not geting shut down please replace rower switch ...
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