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dell inspiron 9400 wont turn on


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#1
dynocompe

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ok so the mother board has been replaced, same with cpu chip. Tried new dc power cord with and without battery.
The green light comes on when you hit the power button, then the light shuts off in a couple seconds. I cant hear no sounds , no nothing.

Any advice? The mainboard has already been switched out, so that big expensive item is not the problem i am hoping! since its new and didnt seem to be the problem.
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#2
rshaffer61

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Same exact motherboard that was in it before?
Did you test the motherboard outside of the case to make sure it posted?
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#3
dynocompe

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it is the same exact motherboard, i never tested it, previous owner had this installed. It was just given to me.
How do u test it outside of the case?
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#4
rshaffer61

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Take the motherboard out of the system and place the motherboard on a piece of card board larger than the motherboard,

This will eliminate a short from the mobo to the case which could be a possibility

Install the cpu with, 1 stick ram in dimm 1, power supply, case switch and case speaker
Connect ps2 mouse and keyboard along with the monitor. Turn on the system.
If the computer now boots into bios you most likely had a case short so make sure when installing the motherboard in the case that you use standoffs,
and they line up with the mounting holes in the motherboard and none of the standoffs touch anything else on the underside of the board.
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#5
dynocompe

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ok thanks rshaffer! You are the man. I will do this later tonight.
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#6
dynocompe

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ok i quickly just tested the old motherboard that was in there previously and when i power it on, it just makes aclicking sound, then when light shuts off, it clicks again, does that mean motherboard dead?
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#7
rshaffer61

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Can you tell where clicking is coming from?
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#8
dynocompe

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the speakers
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#9
rshaffer61

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Hmm not saying much except that maybe the board may have a short on it.
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#10
dynocompe

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also I should note the video card is seperate from the motherboard, do I have to install the video card when I test the mother baord outside of the case>? Or does that not matteR?
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#11
rshaffer61

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Better to test the onboard as that way you are testing nothing but the motherboard. If it posts with that then try it with the video card. If it doesn't work then you may have a video card problem.
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#12
batteriesinc

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I have never happened such a problem.so I can't give you a suggestion. :) your Dell Inspiron 9400 won't turn on You can go to the computer repair shop to ask
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