New Build does not power up

nagairaj

Honorable
Oct 26, 2012
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10,510
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I just finished building a new gaming computer with RYZEN 1800x with Asus Crosswire VI hero. Using Corsair 750x PSU with AMD Sapphire Graphic Card. Used 32 GB DDR4 Dimm memory chips. Using M.2 Samsung NVME500 GB as the main drive with couple sata drives for data. My problem is the machine does not boot up. Mother board shows a green led and couple of other colorful led lights. Does not boot up. Disconnected all the components, and tried still no go. The PSU fan does not turn on at all. The PSU has all black cables and I am not sure how to test it. I have built many computers before. I am stumped. Please some body help
 

Imacflier

Honorable
Jan 19, 2014
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The Corsair 750x fan does not run under low load, so that does not indicate a bad psu. Does the computer POST? Show any error codes? Tried with only one stick of memory installed?

Larry
 

shmoochie

Respectable
May 10, 2018
898
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1,915
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Sometimes those other led lights indicate hardware errors. You should definitely look at the mobo manual so you know what they mean. Does it do anything when you hit the power button (like beep codes or spinning case fans) or is it unresponsive?
 

nagairaj

Honorable
Oct 26, 2012
11
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10,510
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