Question about Bestec (ATX-250-12E) 250-Watt Power Supply

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My compaq desktop will not power up and it has a blinking green light on the back of it were you plug in the cord

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Hi ,

With what you have just told me it seems to be a hardware issue,as there is a light at the back panel of the computer tower it means that the computer is getting the power.The light that you see at the back is for the power supply ( SMPS) box and it seems that it is functioning ok.Generally in these kind of circumstances we have found the motherboard to be the culprit.I believe there is no light on the front panel and these are the steps if it is so .
Turn the computer off and then disconenct all the external devices and then open up the computer tower then once it is open look for the memory card's these are long green cards that looks like a scale and is around 4 inches long ,there can be one or more than one .So remove the memory cards and then turn the computer on and if you hear long beeping noise it means that the motherbard is fine but no sound at all indicates the motherboard to be bad and needs to be replaced or serviced ..Please do these steps and let me know...THANKYOU ...

hope this helps you .....all the best

Posted on May 15, 2010

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It sounds as though your power supply has failed. You may be able to purchase a replacement power supply for it.

Would you like some assistance in deterimining if that is the case?

Thank you
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