Question about HP Compaq Presario SR1420nx (SR1420NXPS69AA) PC Desktop

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My compaq sr1020nx wont turn on. green lite on power supply is blinking. power company turned off power and when it came back on this is what i found. computer was hooked up to a surge protector.

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Surge protectors blow with excesive power not with drop and return spikes, and that doesnt still promise that it will not kill power supplies and motherboards. I would suggest a new power supply as they are all standard then see if it works. If not your motherboard maybe shot if it was on while it happened.

Posted on Jul 31, 2009

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if it has a power button on the back of the power supply just turn it off and then unplugg it for about 5 mins then plugg it in and turn on the power supply again before you use the computer power button. if this wont work replace the power supply. this could be costly to fix since you could have fried the cpu when it was unplugged but start and the beginning.

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The green blinking light can mean there is a problem with the power supply.

Try unplugging the computer from the wall, and turning on the pc on switch.

After a few minutes, try plugging it back in.

If that does not start things up, you may have a bad power supply.

If the power supply is bad, these models take standard power supplies. You should get an ATX 350Watt or higher power supply.

They are easy to replace, unplug the power from the wall, disconnect all the cables inside the computer. Unscrew the four phillips screws outside the back of the computer where the power supply is attached to the case.

Remove and replace.

If you don't feel comfortable with this, a good local computer shop can help you out.

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1 Answer

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Here is a Compaq document will walk you thorough a fairly lengthy procedure that should solve your problem. Here is the link: http://h10025.www1.hp.com/ewfrf/wc/document?docname=bph06788&lc=en&cc=us&dlc=en&product=431080&query=presario%20sr1220&dest_page=product#N561 Let us know how this turns out or if you need any additional assistance.

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