old compaq cycles on and off then stops

Compaq / S6220wm
May 7, 2011 at 09:38:12
Specs: Windows XP, 256
My old compaq will cycle on and off a couple of times then shut down. I've replaced the pwr supply, cmos battery and ram card. I even jacked another hard drive in and it still does the same thing. After it shuts down. I can't start the computer again with the power button. I have to unplug the computer and plug it back in to get it to come on. Anyone got a fix..or answer for my problem. Thanks for any help. PalmRiver, Tampa

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#1
May 7, 2011 at 10:46:59
"I've replaced the pwr supply, cmos battery and ram card"

Out of the 3, the power supply replacement is the only thing that makes sense. I don't know if you had one laying around or bought a new one, but if it's no better than the original, you've done nothing to help yourself.

http://h10025.www1.hp.com/ewfrf/wc/...

http://h10025.www1.hp.com/ewfrf/wc/...

Here's a recent article from Tom's Hardware:

Don't Be Surprised When Your Cheap PSU Blows Up


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#2
May 7, 2011 at 19:26:38
If you upgraded your graphics or much of anything more, and you replaced it with a comparable one, then you may still have an amperage issue on your 12 volt rail(s) and you are starving your system for current. You may need to try it with a better power supply with a higher wattage rating than the original one.

You have to be a little bit crazy to keep you from going insane.


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