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? Before I Open My Modum


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#1 jatfla

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Posted 05 October 2006 - 01:14 PM

When my daughter clicked off my Dell Desktop this morning, she said all was fine. Now the "amber" power light is
blinking and the computer will not click on. Monitor, printer, etc. (not keyboard) are working. The manual said
that: 1-it could be the voltage selection switch is set wrong (how would that have messed up?)
2-the processor power cable is not securely connected to the system board (???)

That last option would involve me taking the panel off the modum and trying to find the processor power cable.
In the diagram, it looks like it's called the "processor power connector". Is that the same thing? This makes
me very nervous.

The other thing is that none of the "diagnostic lights" on the back of the modum are on. Hmmmmm....

Any suggestions?

My system is a Dell Demension 3000 and app. 2 1/2 yrs. old. Windows XP

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#2 Enthusiast

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Posted 05 October 2006 - 02:00 PM

What kind of modem?

Do you think your daughter may have flipped the voltage switch in the back of the computer?

The processor power cable is internal - has the computer been opened?

#3 jatfla

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Posted 05 October 2006 - 03:15 PM

Kind of modem?? Well, it's the one that came with the Dell 3000 computer. I noticed the voltage switch is really hard to reach. I mean, she's an adult and was checking her e-mail before she left for work. She wouldn't be hauling it out and pushing buttons or switches. No, the cumputer has not been opened. I don't want to have to do that; that's why I was asking these questions here.

Do modem's burn up? Why would it just stop? Everything else seems to be working. The monitor says that "it's in the save power mode" and in order to activate it, turn on the PC.....which I can't do.

#4 dc3

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Posted 06 October 2006 - 02:49 AM

When my daughter clicked off my Dell Desktop this morning, she said all was fine. Now the "amber" power light is
blinking and the computer will not click on. Monitor, printer, etc. (not keyboard) are working. The manual said
that: 1-it could be the voltage selection switch is set wrong (how would that have messed up?)
2-the processor power cable is not securely connected to the system board (???)

That last option would involve me taking the panel off the modum and trying to find the processor power cable
.



What you are referring to as your modem sounds like it's your case which houses the CPU, PSU, HDD, motherboard, RAM, etc.

If you put your hand near the top of the back of your computer can you feel air moving?

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#5 Enthusiast

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Posted 06 October 2006 - 08:00 AM

A dialup telephone modem is usually internal and has no lights (especially if it came with the PC).
A broadband modem is external, has several lights, and is not part of the computer and wouldn't have come with it, but again it wouldn't stop the PC from starting and booting to Windows.

Yes, modems do go bad, internal dialup, external dialup or broadband, but that wouldn't stop the computer from starting.

How do you connect to the internet?

You said the monitor was working - When you boot the computer what do you see on it?

The way the voltage selection switch could have been changed was if the computer wouldn't boot and someone just started changing switch positions without knowing what they were doing. Yes, it is intentionally hard to change its setting because the wrong setting can damage the computer.

#6 jatfla

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Posted 06 October 2006 - 08:22 AM

By connection, I think you mean Sprint high-speed internet. Yes. Those lights are working, as is the router, the speakers and the laptop that I'm using. The keyboard doesn't light up either.

The monitor (when I press the button) will show a black screen with a message saying "monitor in power save mode. activate with pc) But the computer does not come on when I push the power button; only the blinking (blankity-blank) light! One person asked if the fan in the computer (that's the heavy, rectangle box that sits on the floor with all the 'stuff' coming out the back?) was running. No. No sound at all.

It's really hard for me to believe this thing is dead.

#7 usasma

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Posted 11 October 2006 - 04:09 PM

Could be a fuse that's blown (best case). Could be a blown system (worst case). Do you want to try and troubleshoot it here?

Since it spontaneously died and noone has been in the case - it's likely that something has blown. IMO it's most likely the power supply but could be many other things. Do you have a good surge protector on it? So you have a surge protector on the router/cable modem? Have you had an lightning strikes or power surges/outages?
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