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When PC Power button pressed the spark light is coming from the SMPS. What is the problem?

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Please check if there is any loose connection with power cables connected to cpu and SMPS.

Posted on Feb 18, 2014

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Why my desktop did not turn on?


U need technician, tell him to check with the other power supply then if he dont have another power supply then connect the Green and Blank point on the cable coming from the SMPS, if SMPS fan is powering on then issue is with ur motherboard and if not then issue is with ur power supply that is SMPS

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The power is coming to System , but its not getting supplied to other hardware devices via motherboard.

The Problem can be with your motherboard.

Try removing the Auxilary port wire ,which is a small wire which is connected near the FAN , the wire comes from SMPS(power supplier) to the motherboard.

hope this helps

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My computer want come on with the power the light is on on the back of the tower but it will not come on when i push the power button


you need to check the SMPS first remove the 24 pin conectior to the motherboard from the smps and short the green and black pin if the SMPS fan is working there is no problem in the SMPS conect tthe 24 pin conector to the motherboard then remove the 4pin conector from the motherboard from the smps and switch on the computer of the computer fan is working you have froblem with *********** board

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I have an HP Compaq dc7600 sff that will not power on. It has a solid green light on motherboard, no other response.


1) perform a powerdrain i.e. unplug the power cable from the back of the computer and then press power button and hold it down for 10 secs
2) open up the chasis and reseat the power cable i.e ATX connector coming out of the SMPS to the motherboard

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It a issue with the power supply or the SMPS. Change the SMPS of same capacity and then it should work..............sodeep

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Nothing happens when I press the power button. No


What about the power supply? I bet it's supply's issue. Otherwise make sure that PWR button wires are connected properly and to the correct terminals of the motherboard

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I turned on my computer the power light keep blinking and my computer will not come on


Your computer is in STANDBY mode..
To bring it back....There will be a SLEEP/ STANDBY button on your keyboard...press it..
This should solve your problem...

ELSE....

There is problem with your SMPS(Switch Mode Power Supply) which is in your CPU case..Try Replacing it..

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Dear smmmobil,
The problem lies with the SMPS (switch mode power supply ) of your TV. The smps board needs to be replaced.

ramesh22

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