Startup errors


My computer has developed a strange startup problem.  It has been running fine for several years.  Now when I turn it on the monitor does not get a signal and there is no post sound.  It just sits.  If I turn it off and then right back on it starts up just fine and and it works just like it always has.  Occasionally it will also just sit there after the RAM check but that only happens about 5% of the time.  The fix for that is to just turn it off and on again.  Does anyone have any ideas as to what the problem could be?

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When you turn it on and you get no video signal, can you hear the HD grinding away like it is booting in the background but you can see nothing??
Maybe you have a video card going bad, is this onboard or in a slot? if in a slot, try removing it and replacing it to make sure it is making good contact, if you have a spare lying around then pop it in and see what happens.
Memory!... is that too obvious?
Do you leave the computer on all the time or do you turn it off when you are done.
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PnaglAuthor Commented:
I do hear the Hard drive spinning up and I don't leave it on all the time.

I'll try a different video card.
OK ... here's what you do...

place about 8-10 pages of newspaper on the table.  Cut open one of those gray or pink plastic bags that a board came in and spread it on top of the newspaper.  If you don't have one of those, make sure the room is humid.

Open up the computer, remove all the boards from the motherboard.  Take out the motherboard and lay it down on the plastic.

Remove the simms and replace them.

If the CPU is in a ZIF socket, remove it and replace it.

Roll your thumb over every SOCKETED chip using significant pressure.

Do the same for each of the boards.

Put the whole thing back together.  If the problem persists, replace the power supply.

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PnaglAuthor Commented:
That led me in the right direction.  It turned out that it is my scanner that is causing the startup problem.  If I disconnect it it is fine.  Thanks for the help.
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