motherboard light is on, pc dead

February 12, 2011 at 12:53:20
Specs: XP, intel pentium 4
I've been stripping pc's for about a month now and tonight i stripped down a dell dimension 4600. I took everything out, including the motherboard and then put everything back in. Turned the computer on, motherboard light shows but nothing else happends.. fan doesnt move, HD doesn't make a sound even the dvd drive doesnt turn on. Could this be because of the cpu? i got abit of the heat transferer on the prongs of the cpu.. could this be why?


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#1
February 12, 2011 at 12:56:43
"i got abit of the heat transferer on the prongs of the cpu"

Please explain how you felt the prongs of the CPU, whatever they are. Do you mean the heatsink FINS?

You need a good power supply, CPU/w heatsink/fan, 1 stick of RAM, video card/chip, monitor and keyboard to boot. You you have all that?


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#2
February 12, 2011 at 13:12:22
The prongs as in the underneath of the cpu, the gold very small prongs.. if you know what i mean? and yes, i have everything that is needed! like i said, everything is switched on, plugged in and ready to go, even the motherboard light switches on but as soon as i press the power button.. nothing happends

thanks for the reply


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#3
February 12, 2011 at 13:17:31
I don't understand you are feeling the CPU pins while the computer is on.

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#4
February 12, 2011 at 13:25:12
Whaaat? i said, i stipped the pc apart, took everything out including the cpu... i put everything back together i applied the heat refere liqdui on the cpu and some of it got into the underneath of the cpu.. i plugged everything all back together and then turned the computer on... nothing happends just a green light on the mtherboard

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#5
February 12, 2011 at 13:31:29
Did this system work BEFORE you ripped into it? Why would you completely tear it down, then put it back together? Are you saying you got thermal paste on the CPU pins, then inserted it in the socket anyway? Didn't bother to clean them off? Yes, that's a problem. How much paste did you use? If it was larger than a dab roughly the size of a grain of rice, you did it wrong.

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#6
February 12, 2011 at 13:34:34
Did this system work BEFORE you ripped into it? Why would you completely tear it down, then put it back together? Are you saying you got thermal paste on the CPU pins, then inserted it in the socket anyway? Didn't bother to clean them off? Yes, that's a problem. How much paste did you use? If it was larger than a dab roughly the size of a grain of rice, you did it wrong


The system did work yes, i was using it as a test pc. Stripping it down and putting it back together again as a learning experience.. i had no idea on how to take the thermal paste of of the pins so i thought screw it, i'll see if it will be fine.. i put quite abit of the thermal paste on.. i'vee done this all before though and nothing like this has usualy happend! so you think the way i handled the cpu is why the computer won't turn on?


thanks for the reply


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#7
February 12, 2011 at 13:42:08
Pentium 4? This is how to apply thermal paste:

http://www.arcticsilver.com/pdf/app...


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#8
February 12, 2011 at 13:47:01
thanks for the link, as for the pc though, is it well and truely f---ed?

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#9
February 12, 2011 at 13:52:25
You need to remove the heatsink & remove the CPU. Get all the thermal paste off the pins & out of the socket. Then you need to remove the glob that you put between the CPU & heatsink & do it right. Then check all your connections from the power supply to make sure you didn't miss anything. Also double check that you plugged the case wiring (power button, reset button, LEDs, etc) to the board correctly.

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