Question Asus p8h61-m pc dont see usb port

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Asus P8H61-M LX R2.0 no post, no keyboard, CPU fan working

Hey everyone! I have an ASUS P8H61-M LX R2.0, Intel Celeron G530 2.40 GHZ, Corsair 2x4GB DDR3, 2xHDD, 1xDVD-RW. Built it 22 mos. ago. Suddenly, at boot, no video, no ps2 keyboard or HDD light. CPU fan running. USB mouse getting power. I've checked RAM in another computer, its fine. Changed the...

forums.tomshardware.com

Same problem.
my English language is bad.

 

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If you found that thread and you have the same problem, have you tried the solution that's listed as Best Answer?

Since everyone's system specs can and will vary, we will need you to list yours. List them like so:
CPU:
Motherboard:
Ram:
SSD/HDD:
GPU:
PSU:
Chassis:
OS:

 

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İŞLEMCİ: Intel i5 2400
Anakart:Asus P8H61-M LX3 PLUS R2
SSD / HDD: 1000 GB Seagate HDD
GPU: Nvidia GT 420
PSU: cooler master 500w atx
İŞLETİM SİSTEMİ: Windows 7 nihai

I also tried everything