Question about HP Pavilion a1000n (PS567AA) PC Desktop
My mom had this problem. The power supply didn't seem to be the problem, because if I unplugged the power cord for 10-15 seconds and then plugged it in again, there was a green "ready" light on the back.
But the light went out as soon as I pushed the power button, and nothing further happened.
I found the culprit by opening the case, unplugging/plugging the power cord, and then unplugging devices one at a time until the machine responded to the power button.
It turned out to be the primary hard drive, an 80 GB Seagate. As a PC hobbyist, I had another homebuilt PC to check it on, and the symptoms were the same. An online search indicated the problem was probably a short in the drive's motor-control chip.
The only way to recover anything on the drive would be to send it to a dedicated recovery service, which is usually expensive. In my mom's case, between my brothers and I, we had copies of most of her important files.
I bought and installed a new hard drive, loaded Windows, and reinstalled her applications. And we bought her a 16GB thumbdrive to back up her data in case something like this happens again.
Posted on Feb 11, 2009
If you don't get any indication that power isn't working, e.g. a power light, computer fax noise, etc., it's likely that the power supply in the computer is no longer working. In extreme cases it can be the system board itself, but you should at least feel or here the fan in the power supply go on if it's still working.
Before going out and purchasing a new power supply for your computer I would try to at least plug in the computer somewhere else to see if any activity occurs when you attempt to power it on.
Hope this helps. Let me know if you need more help.
Posted on Jul 13, 2008
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