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  #1  
Old 03-09-12, 19:58
Sam1911 Sam1911 is offline
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Default Dell Optiplex GX620 won't power up

I have a Dell Optiplex GX620 minitower that was working just fine until a couple of weeks ago, no problems at all. One day, however, it wouldn't power up; instead of the green power light, I got a blinking amber light. I tried unplugging everything from it and letting it sit for a bit, but it still won't power up, and it still gives me the blinking amber light.

I have checked the chassis intrusion switch, and I have replaced the motherboard. I've also verified that the power supply is functional. We did try unplugging the memory and video cards, and it still won't work. We also checked that all of the USB ports seem to be fine. We also tried a different power cord. None of the diagnostic lights come on at all.

Any more ideas?
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  #2  
Old 03-09-12, 20:08
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sach2 sach2 is offline
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Default Re: Dell Optiplex GX620 won't power up

A blinking amber light on a Dell is almost always fixed by replacing the power supply. You said you verified yours was working but didn't say if you tried another. I would try another power supply.
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Old 03-09-12, 20:16
tgell tgell is offline
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Default Re: Dell Optiplex GX620 won't power up

Most of the people in this link reported problems with shorted USB ports. As you have already checked that, I would double check the PSU and if possible exchange with a known good one. One person had to replace the front USB panel before it was able to boot.

http://en.community.dell.com/support.../19376335.aspx

This link references a PSU replacement.

http://www.dslreports.com/forum/r254...r-power-button

Crap: Missed sach2's post again. Wish there was a warning that other people posted before submitting.
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Old 03-09-12, 20:22
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falconattack falconattack is online now
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Default Re: Dell Optiplex GX620 won't power up

Hi my friend , try to connect the mainboard out of the desktop case because there is a short-circuit for instance , follow my post !!

http://forums.majorgeeks.com/showthread.php?t=255353
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Old 03-10-12, 10:59
Sam1911 Sam1911 is offline
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Default Re: Dell Optiplex GX620 won't power up

Thanks for the help, everyone. We had thought the power supply was okay, but then we swapped it with the one from our other identical computer, and now it boots. So now I'm off to find a replacement power supply so that both computers work.
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