Question about HP Pavilion a630n Notebook

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I disconnected the PC today. When I reconnected it, the power supply green light flashes on the back of PC, but the PC would not turn on when I press the ON button on the front of PC. What may be the reason?

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Hi, I would suggest that you powerdrain first your desktop before turnng it on again. What might cause this problem is you did not properly shutdown you computer or power interuption. To powerdraqin your computer you must unplug first the powercord on the back of your desktop then you should press and hold the power button for 20 seconds without the powercord plugin to your desktop, after that you can now plug in the powercord and turn on your desktop computer. If this troubleshooting step doesnt work you can try unpluging the powersupply itself into the motherboard and just plug it back, also while your doing this you might also try clean the
RAMS or the memory of your computer and make sure that they are properly seated. Hope this helps

Posted on Jun 03, 2010

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Check your power supply cables Your power supply cables may not be fully secured. Let's unplug and reconnect your power supply
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If that doesn't do it then it has to be the motherboard at that point.

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This is an easy fix so here you go nice and simple:

Problem: Your motherboard circuit has been cut.

Causes: Power disconnected during operation. Power outage or short in the surge protector.

Symptoms: Flashing green light on both motherboard and power supply. System will not power on.

Solution:

Step 1: Ensure that both the power supply and the motherboard lights are flashing green, not solid or off.
Step 2: While the power is on, disconnect the power supply from the motherboard. This connection is the largest of the connections and should be listed as the 'P1' or 'Primary' power connection.

Step 3: Wait until the green light on the motherboard stops flashing and check to ensure that the green light on the power supply is now solid. If it is not solid, disconnect the power to the power supply and wait until the light turns off completely. Then reconnect, it should be solid now.

Step 4: While the power is on, reconnect the P1 connection to the motherboard and you should now see that the light on the motherboard is solid.

Step 5: Power on your PC. The problem should not persist.

Warnings: If the power supply light remains flashing after you have restored power to it while it is disconnected from the motherboard, it may be a system failure in the power supply itself requiring replacement. Always be careful when working with an active or live power machine.

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