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My PC won't start, only the blue standby power light comes on.

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Old 09-01-2008, 03:20 AM   #1
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I am building a new system with an EVGA 790i Ultra motherboard. My system will not turn on, only the blue standby power light comes on. I have taken everything off the motherboard except the CPU and CPU Cooler. I have tried both the power switch on the case and the motherboard.

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Old 09-01-2008, 03:26 AM   #2
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I am building a new system with an EVGA 790i Ultra motherboard. My system will not turn on, only the blue standby power light on the motherboard. I have taken everything off the motherboard except the the CPU and CPU cooler. I have tried to power switch on the case and the motherboard.

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Old 09-01-2008, 03:37 AM   #3
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Hello mate and welcome to TSF...

Would be nice to provide us with your system specifications...

Check this out:

http://www.techsupportforum.com/f15/...em-262998.html

This will help you a lot if you first time building a PC...

Hope this will help you mate...
Report back please...
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Old 09-01-2008, 06:54 AM   #4
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does the board beep if you remove Ram?

Go get yourself a 680 board if it doesn't. the 7's have a very high failure rate out of the box.
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Old 09-15-2008, 04:52 AM   #5
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My System Specifications;

Case: Antec Nine Hundred
Fans: Antec 200mm, Antec 120mm x 4, Antec Spot Cool x 4 all at high speed
CPU: Intel 6850 @ 3.0 GHz not overclocked yet
CPU Cooler
FSB: 1600 MHz not overclocked yet
RAM: Corsair 2GB Module XMS 3 1600MHz DHX COOLING CL-9-9-9-24 in a black slot
Power Supply: Thermaltake Toughpower 1200w for future tri-sli
Graphic Card: XFX 8800GTX not overclocked yet
DVD/CD-RW: Memorex INTERNAL E-IDE MRX 530-L
HDD: Seagate SATA/300 7200RPM

I have taken the motherboard out of the case and taken everything off the motherboard except the CPU and CPU cooler and still the motherboard does not beep.
This is not my first system build.
I have had heard that the 790i board is very fussy and has a high failure rate, but I am determined to make it work.
I have tried the power switch on the case and the motherboard.
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Old 09-17-2008, 09:11 PM   #6
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I have benchmarked my system and nothing works. I took out the RAM, and tried both sticks in all 4 slots, still no beep. The CPU fan does not spin at start-up. The blue standby power light, but no other LED lights on the motherboard. The video card fan does not spin. When the power is active to the system on the bench the Envision G416 24 inch monitor shows a yellow light. The motherboard is new and I think it is dead. What do you think? The case is new. The power supply is new, I will test it. The graphic card. I will try it with my ASUS P5N32-E SLI 680i motherboard, which quit working because my old power supply died as I discovered. So I decided it was time to build a new system with a 790i motherboard. My two 8600 GTS graphics cards died too.
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Old 09-17-2008, 09:19 PM   #7
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Forget trying my ASUS P5N32-E SLI, because I sold my DDR2 memory on ebay! I am going to return the EVGA 790i to Fry's Electronics and have them test it. They will replace it, because I bought the PSC.
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Old 09-17-2008, 10:37 PM   #8
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I connected the power supply to the hard drive only and shorted the power supply, the power supply fan comes on and the hard drive spins. The power supply is probably good. I definitely think it is a bad 790i motherboard.

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