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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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Power too computer will not come after power outage


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

Mar 29, 2014 | Dell Studio Slim-Tower Desktop Computer

1 Answer

Computer shut down because of power surge. will not start up or turn on again


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.

Apr 24, 2012 | Dell Inspiron 580 Desktop Computer (Intel...

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Dell Optiplex 775 Power light, is flashing, wont turn on. I have recently replaced the PSU with a brand new dell one, as i was getting booting problems, since putting the new one in, i just get the...


could also be a ram stick that ate it. Also some of the older mother boards dont have a 12 volt supply that new cpu chips need might check that as well. Make sure the power supply is turning as well as cpu

Sep 03, 2011 | Dell Optiplex 755 Minitower Desktop...

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I had a power outage and my computer when I tried to turn it back on after the power was turned back on. All it does is have a green light blink on the back of the tower and a small green light on the...


most likely the surge fried one of your ram chips... this is where i would start first sometimes the ram will work as a surge protection for your motherboard

Nov 18, 2010 | PC Desktops

1 Answer

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.

Oct 12, 2010 | Dell Dimension 8200 PC Desktop

2 Answers

Dell Dimension 3100


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....

Feb 11, 2010 | Dell Dimension 3100 PC Desktop

1 Answer

Dell Precision 380 won't boot


I had a similar situation with a work computer; the power supply always tested good. A wiser and more experienced computer guru ordered a new power supply. He gave it to me told me to install it, I did and was laughing the whole time. Well it in fact was the power supply. Reason, power supplies are funny like that, they may test good under ideal conditions which is a minimum load put on the unit (enough to boot your system). They are not tested with the stresses of maintaining all your fans, hard drives, mother board, video card, monitor, CD drives, mouse, and keyboard. Its when those loads are applied is when the unit either surges or it is faulty and cannot maintain. First try finding some way to test that suspected bad circuit. If that's not it I would try replacing the power supply, that MAY NOT be your problem but it is certainly CHEAPER than replacing your processor and/or mother board. You could also have a hard drive problem; most drives have self testing features that are partitioned separate from the rest of drive. You can also try plugging your drive into a good computer and see if it boots.

I'll warn you though issues such as yours can take you down a costly road trying to trouble shoot. The components you are thinking of replacing pretty much will give you a brand new computer.

Hope this helps

Jul 31, 2009 | Dell Precision 380 P4 Dual Core 3 GHz...

2 Answers

Dell dimension 8200 flashing yeloow power button


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.

Mar 19, 2009 | Dell Dimension 8200 PC Desktop

2 Answers

Dimension 8200 will not turn on


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

Jan 17, 2008 | Dell Dimension 8200 PC Desktop

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