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Maximus VIII Hero won't power up


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#1 Sam1981

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Posted 06 February 2016 - 04:10 PM

Just bought a Maximus VIII Hero with Core i5 6600K. The motherboard doesn't boot. Sometimes the on-board Start and Reset buttons are lit, otherwise they don't. When they do, if i plug in any USB peripheral in the USB Bios Flashback port, the Start and Reset buttons start to blink. Tried pressing the Bios flash button for 3-10 seconds, nothing happens. There is no Q-Code on the digital display no matter what. There is no on-board LED lit up no matter what. The CPU fan doesn't start. The ROG logo doesn't light up.
 
I tried everything I found on the web, nothing worked. What I have tried includes:
- CMOS battery plugged out for few mins and then put back in
- Used a screwdriver to short the CMOS battery connectors
- Switched the CMOS reset jumper and powered on
- Checked CPU socket pins, they are not bent or anything
- Took out the board out of the case (breadboarding)
- Only CPU, Cooler, 8-pin CPU power and 20+4 power and CPU fan connected
- Took out the CPU and tried booting the board only
- Tried with 1 DIMM in proper slot
- Tried without DIMMs - no beeps
- Tried USB Bios flash (with BIOS update appropriately named)
- Tried on-board buttons for Start, Reset, Bios reset, MemOK
 
With the mobo and CPU included, my build is:
 
Before, and currently, because the new board isn't working, my build is:
 
I know the PSU isn't great, and should have been replaced for the upgrade. But it has no problems whatsoever with Q6600 and a GTX970 installed, even when I let it run thru the night or when I play games. Right now, I'm writing this post with the same PSU running my old build. One thing to note though, my old board requires only 4-pin CPU power. I'm thinking it might be a PSU issue (maybe the other 4-pins aren't working).
 
So my question is:
1. Is there something else I can try before returning the mobo
2. Is there any part in my build that requires attention, other than mobo problem
 
Points to consider (if it comes to buying/replacing parts)
I live outside the US
After spending this much on Hero and 6600K I'm really tight on budget
 
Specs:
Intel Core i5-6600K 3.5GHz Quad-Core Processor
Cooler Master Hyper TX3 Evo 43.1 CFM CPU Cooler
Asus MAXIMUS VIII HERO ATX LGA1151 Motherboard
Corsair Vengeance LPX 4GB (2 x 4GB) DDR4-2400 Memory
Asus GeForce GTX 960 2GB Video Card
Cooler Master Elite Power 460W ATX Power Supply 


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#2 Captain_Chicken

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Posted 06 February 2016 - 10:59 PM

That psu is adequate but just barely...
Have you tried booting on onboard graphics?
Can you rma the motherboard?

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#3 Sam1981

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Posted 07 February 2016 - 06:13 AM

That psu is adequate but just barely...
Have you tried booting on onboard graphics?
Can you rma the motherboard?

I did use onboard graphics the whole time.

I can return the board, but not sure what they would do with it (the shop people before claiming the warranty) and how long it will take to get a replacement!



#4 Captain_Chicken

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Posted 07 February 2016 - 02:43 PM

Off topic, but you are saying your old build had a 970 and you just bought a 960? Is there 2 graphics cards or just one?

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#5 Sam1981

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Posted 07 February 2016 - 03:19 PM

Off topic, but you are saying your old build had a 970 and you just bought a 960? Is there 2 graphics cards or just one?

Sorry, must be a typo. I just have one GTX960 which has been used with the Q6600 and now I wanted to use the same card with i5.






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