ATTN: IT Technicians - Dell Computer Problem - FMVperformance.com : The site for all your Ford Mazda and Volvo needs
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post #1 of 20 (permalink) Old 06-18-2008, 11:49 PM Thread Starter
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ATTN: IT Technicians - Dell Computer Problem

About two weeks ago, my Dell Dimension 4600 stopped working out of nowhere. We had a thunderstorm the previous night. The weirdest thing was my BIL (brother-in-law) computer stopped working the same night. Both of our computers were on good power surge protectors. The funny thing is, nothing else on the power surge was affected - even the monitor.

So, first we thought it was the PSU (power supply unit), so two PSUs later - still will not turn on. The little green light on the motherboard is illuminated, but I have no power. So, any suggestions?


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post #2 of 20 (permalink) Old 06-18-2008, 11:51 PM
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Re: ATTN: IT Technicians - Dell Computer Problem

try shorting the power pins on the motherboard. if that doesn't work short the black and green cable on the 24pin atx connector.


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post #3 of 20 (permalink) Old 06-19-2008, 12:01 AM
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Re: ATTN: IT Technicians - Dell Computer Problem

I worked for Dell for nearly two years. By power pins he means reset the cmos. I don't think that's the problem, though.

To start off, when you hit the power button, look at the back status lights marked a, b, c, d. Do they light up?

If they do, and they probably will, here is a guideline for your exact computer. It'll help you understand what is going on.

http://support.dell.com/support/edoc...ot.htm#1112886

If you have anything hooked up to the pc, including printers, mice, keyboards, your monitor(S), any usb devices, unplug them.

If you've got pci/agp cards in the system, pull them all. Disconnect the power cable from the power supply first, though, and push the power button to drain flea power.
Try booting it again. Any luck yet?

Allright, if you still don't get much, pull the ram, and try again.

PM me on what happens. I don't check this forum much.


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post #4 of 20 (permalink) Old 06-19-2008, 12:03 AM
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Re: ATTN: IT Technicians - Dell Computer Problem

[quote author=EvilDeadFan link=topic=115174.msg2403011#msg2403011 date=1213848114]
I worked for Dell for nearly two years. By power pins he means reset the cmos. I don't think that's the problem, though.

To start off, when you hit the power button, look at the back status lights marked a, b, c, d. Do they light up?

If they do, and they probably will, here is a guideline for your exact computer. It'll help you understand what is going on.

http://support.dell.com/support/edoc...ot.htm#1112886

If you have anything hooked up to the pc, including printers, mice, keyboards, your monitor(S), any usb devices, unplug them.

If you've got pci/agp cards in the system, pull them all. Disconnect the power cable from the power supply first, though, and push the power button to drain flea power.
Try booting it again. Any luck yet?

Allright, if you still don't get much, pull the ram, and try again.

PM me on what happens. I don't check this forum much.
[/quote]

no, I meant short the actual power button pins. CMOS will have nothing to do with power circulating. In some weird occurances I've actually had power buttons cease to function.


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post #5 of 20 (permalink) Old 06-19-2008, 12:06 AM Thread Starter
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Re: ATTN: IT Technicians - Dell Computer Problem

Thanks for the quick responses already.

I'm so computer hardware illiterate. *heh* So, shorting out pins/cmos probably wouldn't be the easiest thing for me to do.

@EvilDeadFan - I found one forum that tons of 4600 owners had problems with bad PSUs. However, after trying two new ones - stinks that didn't help me. I'll check for those status lights tomorrow... Never really paid attention.

I do not have anything hooked up to the computer. When trying the new PSUs, I completed canned aired the inside as it was a mess! Also, I did try disconnecting the ram - didn't help. I do not have any pci/agp cards to worry with.

I'll get back to you tomorrow.

Anyone else with suggestions?


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post #6 of 20 (permalink) Old 06-19-2008, 12:14 AM
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Re: ATTN: IT Technicians - Dell Computer Problem

[quote author=ZoominPoet link=topic=115174.msg2403024#msg2403024 date=1213848380]
Thanks for the quick responses already.

I'm so computer hardware illiterate. *heh* So, shorting out pins/cmos probably wouldn't be the easiest thing for me to do.

@EvilDeadFan - I found one forum that tons of 4600 owners had problems with bad PSUs. However, after trying two new ones - stinks that didn't help me. I'll check for those status lights tomorrow... Never really paid attention.

I do not have anything hooked up to the computer. When trying the new PSUs, I completed canned aired the inside as it was a mess! Also, I did try disconnecting the ram - didn't help. I do not have any pci/agp cards to worry with.

I'll get back to you tomorrow.

Anyone else with suggestions?
[/quote]

okay, you know on the psu the big cable that plugs into the motherboard? It's either 24 or 20 pins. Short the green and any black cable, that's effectively what the motherboard is doing when you press the power button. Just get one of those wire ties from garbage bags, strip the ends, and stick in in the green and black, You can do it while the psu isn't plugged in to check if a psu works too. That's actually what I do when I'm bleeding water loops.


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post #7 of 20 (permalink) Old 06-19-2008, 12:18 AM
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Re: ATTN: IT Technicians - Dell Computer Problem

If the psu is new, and he's had two so far, I fail to see how that'd determine much. Anything helps, though, so don't take it as me being rude. I just get right to the point.

When you pulled every single peripheral and ram from the motherboard, and then powered it on, did you get some solid tones emit from the internal speaker? It should beep three long times indicating that it doesn't detect memory.

If it doesn't do that, you need a new motherboard. I VERY highly doubt anything is wrong with your cpu. When I say i worked for Dell, I troubleshooted these systems, inspirons for a while, and mostly XPS systems which are higher end Dimensions etc, dozens a day.


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post #8 of 20 (permalink) Old 06-19-2008, 12:22 AM
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Re: ATTN: IT Technicians - Dell Computer Problem

It's a dell....buy a new one.

I realize that's not a helpful post but I've seen so many dells die randomly that when they do I just suggest buying a new one.

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post #9 of 20 (permalink) Old 06-19-2008, 12:24 AM
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Re: ATTN: IT Technicians - Dell Computer Problem

[quote author=EvilDeadFan link=topic=115174.msg2403055#msg2403055 date=1213849126]
If the psu is new, and he's had two so far, I fail to see how that'd determine much. Anything helps, though, so don't take it as me being rude. I just get right to the point.

When you pulled every single peripheral and ram from the motherboard, and then powered it on, did you get some solid tones emit from the internal speaker? It should beep three long times indicating that it doesn't detect memory.

If it doesn't do that, you need a new motherboard. I VERY highly doubt anything is wrong with your cpu. When I say i worked for Dell, I troubleshooted these systems, inspirons for a while, and mostly XPS systems which are higher end Dimensions etc, dozens a day.
[/quote]

On a couple customer ecs boards I've had the circuitry for the power switch was fried from a surge so I had to manually short the psu to get it to boot. And he said he's not getting any power... you won't get any post codes from the speaker if there's no power. It's definitely a short issue if there's no power.


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post #10 of 20 (permalink) Old 06-19-2008, 12:33 AM Thread Starter
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Re: ATTN: IT Technicians - Dell Computer Problem

Thanks for the tips of how to short something within the PC. Interesting!

Right now, both new PSUs have been returned and the original PSU remains in the PC.

EDF, how much does a new motherboard run? How hard are they to install/un-install?

I didn't hear any sort of beeping when the memory was removed. *ugh*

Hexedit - Thanks for the advice, but I don't have $500+ right now to buy a new desktop. So, cheaper alternatives are welcomed right now.

So, maybe the shorting thing will work - we'll see. Thanks again!!


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