Question about HP Compaq Presario SR1230NX (PJ518AA) PC Desktop

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Wont start power supply binks

My computer wont turn on the green light on the power supply just blinks green, when i unplug the motherboard the light stays on, is it probably the power supply or motherboard?

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  • Peter Steiert
    Peter Steiert May 11, 2010

    This is either the power-supply's power-cable or the power-supply itself. Try a different power cable to see if it repairs your issue. If not, let me know and I'll help you locate a new power-supply for your computer.

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What do u mean u unplug the motherboard...?

Posted on May 27, 2009

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2. a reset that works for a lot of people with the blinking light problem involves leaving the power supply plugged in and unplugging the power supply connection at the motherboard (it usually also has a blinking green LED) and plugging it back in. To read up on how to do this, Google "blinking green light on computer power supply" and read through some of the forums and you'll come on more specific instructions. Usually, you have to wade through everybody telling you to replace the power supply or your motherboard is fried. It's worth a try for a quick fix, just in case those situations don't apply!

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Remove the side pane to access your motherboard cables, etc. Locate the connector on your motherboard that contains the wires going from your power supply to your motherboard. It will be a large, rectangular connector with a lot of individual wires It is not a ribbon cable but should be located next to a ribbon cable connector andnext to a geen blnking light on your motherboard (when the power supply is plugged into the wall). Note: This green blinking light is in addition to the green blinking light on the back of the PC.

This next step is important: You have to disconnect the connector noted above from the motherboard WHILE the power suply is plugged into the wall. Wait a few seconds and plug it back in. The blinking reen light on the motherboard should now be a solid green light. The PC should now power up.

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