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<blockquote data-quote="DubbDesigns" data-source="post: 5274531" data-attributes="member: 565130">I have an HP pavilion desktop and it had what seemed to be&nbsp; a power supply problem, but i hooked up a known working power supply and it is doing the same thing.It used to start up to the HP screen and power off or the screen would go black and sound like it kept trying to turn on but the HDD just kept coming on for a split second and then go back off and it would keep doing that until you unplug it.The HDD works, I tested it in another computer. I also disconnected all the drives and everything but the mobo just keeps doing the same thing.Now when you press the power button the fans all turn then it goes back off after a fraction of a second. There is alot of dust inside the computer and the case has been sitting on carpet so I was told so is it possible for the dust to generate static electricity inside the case and short out the MOBO?Seems like MOBO problem to me.&nbsp; its an Asus p4g533-la mobo.&nbsp; what do you all think?</blockquote>

[QUOTE="DubbDesigns, post: 5274531, member: 565130"] I have an HP pavilion desktop and it had what seemed to be a power supply problem, but i hooked up a known working power supply and it is doing the same thing. It used to start up to the HP screen and power off or the screen would go black and sound like it kept trying to turn on but the HDD just kept coming on for a split second and then go back off and it would keep doing that until you unplug it. The HDD works, I tested it in another computer. I also disconnected all the drives and everything but the mobo just keeps doing the same thing. Now when you press the power button the fans all turn then it goes back off after a fraction of a second. There is alot of dust inside the computer and the case has been sitting on carpet so I was told so is it possible for the dust to generate static electricity inside the case and short out the MOBO? Seems like MOBO problem to me. its an Asus p4g533-la mobo. what do you all think? [/QUOTE]

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