Asus z97-A rarely boots with Device_Boot LED on red, other time no boot with CPU_LED on red. No idea what's going on, help!

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kosanovskiy

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First of here is my parts list.

CPU: 4670k
GPU: 2x MSI GTX 970 Gaming 4G (SLI)
Mobo: Asus Z97-A
RAM: G.Skill Ripjaws X Series F3-2133C9D-16GXH 1.6V
CPU Cooler: Hyper 212 EVO
PSU: EVGA Supernova G2 750 80+ Gold
Case: Corsair 300R
SSD: 2x250GB Evo 850, 1x850 Pro
Case Fans: 5x Noctua NF-P14
Monitor: BenQ GW2765HT 27'' 2560x1440 (connected via display port which arrears to be having his own issues)
OS: Win8.1 installed on the 850 Pro

I have just built this PC 2 weeks ago and honestly been nothign but trouble shoting from one thing to the next. First had a faulty SLI Bridge that came with the Mobo, then still having the issue with display port and monitor having "No Signal Detected" if I turn the monitor off with the power button which still hasn't been fixed, also high CPU temps and now this boot issue which the post is about. So this started shortly after I build the rig and first time it turned on fine and I was happy then 3 days ago I shut the PC down and couldn't turn it back on no matter what I did. I would press the power button and the system would boot up for POST and all the fans would spin at max speed but no signal is being sent to the keyboard/mouse/screen/speakers. While all of this is happening and my system not booting up the CPU_LED light is glowing red. So I keep attempting to restart the system and after about 10 attempts of powering it on and off disconnecting the system from the wall socket it finally turns on and this is the screen I see (See the Imgur Link Below). 1st thing I notice is this time the CPU_LED is not red, infant it is a completely different LED the BOOT_DEVICE LED that is glowing now and it continues to glow until I press the F1 key to run setup and then reset everything to base settings of the GPU. Also every time this happens the X.M.P. ends up getting disabled and my 2133 gets down clocked to 1333 as seen in the image by the system bios so I have to manually reset it into Profile #2 again.

This issue occurs every time I attempt to boot the computer unless I selects restart from the windows OS itself in which case the system turns on and off on its own with no issues. So every time I have to keep unplugging and re plugging the wall socket so I can get that "American Megatrends" screen (the image) and then I can boot the system up. This usually takes 10-15 attempts. I have trouble shooted everything I can think of and searched everywhere and seems like no one really has a solution to this issue, even though it seems to come up often.

Here is what I have already done but the issue still persists:
-Updated bios to latest 2205
-Took out CMOS Battery for 1 hour
-Checked all the cables
-tested and even changed PSU
-Replaced the actual CPU and put in a new i5-4670K which I got from frys today
-Ran system with 1 stick of ram
-Ran with completely different Ram (8GB 1600 I got from a friend)
-Turned off Overclocking by switching the system from Performance mode (3.8GHz in the ASUS utility AI thing) to the Normal mode (3.4GHz in the Asus Utility AI thing)
-Tested connected and disconnected each individual SSD
-Tested GPU's individually

Literally the only thing I haven't tested is the Mobo, which I will say has been RMA'd already few months ago because it stopped reading 1 of the memory slots. I'm trying to avoid the whole 3 week wait thing again so asking is there another fixes you guys know of? Or is swapping RMA'ing the Mobo my only option at this point...I hope not. Because I will not have a working PC for 3 weeks them which is near suicide state for me since I need my computer for work and school. Please Help who ever knows anything. Thanks.


HERE IS THE IMAGE of the thing that comes up when the system is lucky to start: http://i.imgur.com/zLRhErG.jpg
 

kosanovskiy

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I did and at the top of that page says that 1 beep indicates a Good boot. But the AMI section has nothing about beeps when successful, that why I assumed that it has no beep when it is successful POST.

ALSO UPDATE: Tried 1 of each stick in each of the dimm slots and the same beep and problem still present. Not sure where to go from here now.
 
At the top of the page it says 1 short DRAM refresh failure. All/any beeps are fail. No beeps are pass.

So you tried each of the 2 sticks in each of the 4 dimm slots? So either all your ram is faulty or all your dimm slots.

Test your ram with MemTest86. It will work on a usb even if your PC won't post.
 

kosanovskiy

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Well I did memtest86 before and I did 2 full passes and it was fine. So I'm thinking it what I feared the most, motherboard...='(

RMA'ing the mobo is my only option now isn't it?
 

kosanovskiy

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Thanks for your help. I was hoping to avoid taking everything apart but I guess I'll have to borrow a computer from a rent place or what ever for the next few weeks since this one won't work.