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Reload this Page computer will not power on
Power Supply Unit and Overheating Issues - computer will not power on posted in the PC Hardware forums; i recently built my own computer when i went to turn the pc on...i had now power to it at all...i tried using a different power supply and ...

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  #1  
Old 3 Weeks Ago
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Default computer will not power on
i recently built my own computer when i went to turn the pc on...i had now power to it at all...i tried using a different power supply and still the same thing..even the green light on the motherboard is not on...if anyone can help me please let me know
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Default Re: computer will not power on
Hello and welcome to PC Help Forum.

I would check all your connections.I just built myne and powered on brilliant.

Have to attached 20 or 24 pin power supply?

Are you sure it is all connected correctly?

Are you sure power on button etc is connected in right order?

Did you use new RAM/Memory?

What are the specifications of your new build?

Are the fans connnected to mother board or main power supply?

Could you post any clear pictures of inside your pc?As pictures would give us a clear knowledge of how it is setup?

EDIT:sorry Gandalf didnt see you there.

Last edited by Jelly Bean : 3 Weeks Ago at 01:30 AM.
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Default Re: computer will not power on
Your computer is plugged into an AC power source...Yes?
Remove the AC plug and connect something like a lamp or radio to verify that the AC source actually works.
If the "lamp" doesn't work, then check the circuit breaker.

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Default Re: computer will not power on
now i just realize that the motherboard light is on....i do not have a graphics card installed and the motherboard doesnt come wit a port for the monitor....could that be the reason?
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Default Re: computer will not power on
well in theory it should boot but not post without a gfx card. You should get a series of beeps.Seeing as this is a home build I would carefully go through your motherboard manual to ensure you have not made any errors.
Are you sure you wired the switches correctly to the case buttons?
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Default Re: computer will not power on
My computer powered on without graphics card installed.However like Zinglebar said you would not see a post screen if you do not have a GPU fitted.

Are the fans spinning?
Is the power light on?
Is CPU fan spinning?

Make sure everything is plugged in securly.
Your computer specifications posted here could help the issue?
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