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Dell 8200 won't turn on - power supply is good

My computer recently suffered a power surge. I replaced the mother board with a working mother board for the same model (ram is good too) and a new power supply also for the same model. The green light on the mother board shows up, but the computer will not turn on.

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Have you put in a CMOS Battery? Hard drive works?Any more information that was not in your first post?

RCF

Posted on Sep 06, 2008

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Check your surge protector, it may have tripped due to a surge in power.

If you didn't have it on a surge protector you could have blown a capacitor in the power supply. In that case replacing those is pretty simple just 4 screws and paying attention to what and where you disconnect from the mother board

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If you still can see the LED light, it commons when a problems with your motherboad. Otherwise when no light at all, then check out your power supply.

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I havd a Dell Dimension 8200 that sometimes shuts down and power light turns yellow. I can usally open case and plug and on plug to get it to power back up. Recently replaced fans due to fan failure....


Thank for the detail, it really helps...
Most people forget about the power supply. If the power supply overheats, it will shutdown. When shutdown, it will cool off then operate again.

A power supply goes by WATT ratings, the average size power supply is now 450 watts for an average system and should cost around $60.

good luck and don't forget to vote.

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You most likely just need a new power supply. You can pick these up for around $40 for a 450W, which is plenty for your machine. Pretty simple to replace, unscrew the 4 screws in back, around the fan on top, then unplug all the power wires, pull the old one out, and then put the new one in. There is a slim chance that other components were damaged, but this is your first step to fixing it. The power supply is the martyr of the computer. It will throw itself in front of power surges to save the rest of your computer....

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The power supply is a good place to start, as it is easily checked by a local tech with a load tester and readily replaced, usually for about $30.00. It's possible the power switch itself has failed, but this is more unusual, particularly if it worked well before. If you didn't have the system plugged into a good surge protector, the power supply is what would take the hit.
Here's a good troubleshooting article that may help to shed further light on your situation, but I'd take the power supply or desktop in and have somebody take a quick look. A reliable shop will test it for free, and be happy to supply you with a new one for a moderate cost plus installation.
Then buy her a surge protector so it doesn't happen again, or worse...

I hope this information allows you to resolve this issue. If you need further assistance, please post back with a comment to this thread.
If I've managed to answer your question or solve a problem, please take just a moment to rate this post....thanks!

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Hi,

Please find the complete error codes for dell 8200 and their fixes.

http://support.dell.com/support/edocs/systems/dim8200/codes.htm

This will help you to figure the type of error u are getting and its resolution.

Please feel free to rate this solution link.

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Try a new power button. Also does the machine power light turn on at the front of the machine? if so check that the CPU is seated correctly as if it has come out of position then the machine doesn't boot. I would like to think power switch though.

Thanks J

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