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Computer won't turn on HELP!

Virgule
By Virgule
in Troubleshooting
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Hi,

My computer won't turn on after a few hardware swaps I did. 

Parts :
MSI Z77 Mpower, i5 3570k @ 4.0 Ghz, ATI HD4870, Gskill sniper low voltage 2x4gb 1600Mhz, Samsung 840 series 256gb (os), 2x ST4000DM000 (raid 1).

So here's what I did. I shut down the computer, I disconnected every wire with caution to wait for CL_CMOS LED to turn off before pulling the cord. I then switched my ram for Gskill Ares 2x8Gb 1866Mhz (occupying DIMM slots 2 and 4, same ones as my previous ram sticks) and switched my GPU for Asus R9 280x DCUII.

I reconnected everything, CL_CMOS LED powered on. When I pushed the power button, nothing. I pushed and pushed again but nothing happens. I noticed that CL_CMOS LED turns off after I try to push the ON button on my case. When I switch the power off, the LED remains off until it flashes briefly and turns off again. 

I've tried putting my old parts back in 1 by 1 but it won't turn on again.

 

old ram timings (CL9-9-9-24, 1.25V) new ram timings (CL10-11-10-30, 1.5V)

The lights on my new gpu's pcb were lit during this struggle. Power could come from the pcie adapters though.

Please help!

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Nice copy and paste skills. Try Ctrl shift v to get rid of the back colors

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Nice copy and paste skills. Try Ctrl shift v to get rid of the back colors

dammmm   thought no one would notice. Thanks for the ctrl+shift+v tip.

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Whats the PSU rated at?

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Check that all cables are tight and connected. And that ram is really isntalled. If your mobo has onboard power switch, try booting with it.

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Check that all cables are tight and connected. And that ram is really isntalled. If your mobo has onboard power switch, try booting with it.

Didn't work. I checked everything power related, I cleared CMOS. I tried with only 1 ram stick in DIMM 2. Nothing. Now that I cleared  CMOS, the CL_CMOS led doesn't even turn on when the psu is connected.

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I also took off the battery from the motherboard for a while. Nothing.

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Ok so I fixed the problem. I....don't want to tell what was the problem.

 

Thanks to everyone who helped. 

Spoiler

 

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Ok so I fixed the problem. I....don't want to tell what was the problem.

 

Thanks to everyone who helped. 

 

Did you forget to plug it in?  :D

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Did you forget to plug it in?  :D

Damn it, I was gonna say that.

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Ok so I fixed the problem. I....don't want to tell what was the problem.

 

Thanks to everyone who helped. 

you forgot to plug in the 8 pin cpu connector(?)

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Did you forget to plug it in?  :D

 

 

Damn it, I was gonna say that.

 

 

you forgot to plug in the 8 pin cpu connector(?)

 

 

 

The 24 pin connector was loose on the psu side. It doesn't lock in and click and is a little loose normally. 

 

I figured it out after testing psu with multimeter (EVERY F***ING pin), after testing cpu on a friend's mobo and testing ram with memtest on that same mobo. Also, multiple assembling and disasembling of rig. I'm just going to play BF4 now. KTHXBY

 

 

...

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