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Asus Maximus Hero VI Freezes on Code "15"

post #1 of 9
Thread Starter 
Recently I decided to build my own Gaming PC.

Here is my PC Spec list:
Asus Maximus Hero VI
Intel Core i5 4670K (3,4GHz, Sockel LGA1150, 6MB Cache)
Kingston HyperX PC3-12800 (1600MHz, 8GB)
Zotac Nvidia GTX 770 (4Gb)
Samsung SSD (250Gb)


STORY
I assembled everything in the Zalman Z11 Case. After 4 hours of assembling, I was able to boot it up for the first time to the bios and check it out (Didn't change anything). Then I powered it off to finish assembling the case cover. Then powered it on again and everything was working. So far so good thumbsupsmiley.png

Next day, I was going to install an OS (Windows). So I tried to turn on the PC again and bam I am getting "NO SIGNAL" on the screen. Keep in mind that everything is running (FANS, MOTHERBOARD, GRAPHICS CARD, ..etc), just no signal is going to the screen. blinksmiley.gif


PROBLEM
While the PC was running and no signal was received by my screen, I checked the debugging LCD on the mobo and found that I am getting the code "15". In addition the CPU led next to the RAM is red. I checked the mobo manual and it says code "15" means "Pre-memory System Agent Initialization has started"

POSSIBLE SOLUTIONS I FOUND SO FAR
I looked almost everywhere on the internet and managed to find some posts on other forums about the same problem exactly. (I don't know if I am allowed to link them here, so I won't). Many people tried to replace the following components:
  • RAM -> Still same problem.
  • Graphics Card -> Still same problem.
  • CPU-> Still the same problem.
  • PSU-> Still the same problem.

Finally they changed the motherboard and everything is working again for them.

In my opinion, this is not a solution as I would like to know what caused this problem in the first place. Replacing the moboa might be a temporarily solution and the main cause might be for example the outdated bios or incompatible RAM. In this case I would know what to do when I replace the motherboard in order to avoid this problem from happening again.

WHAT I TRIED SO FAR
To answer some of the common questions, here is what I tried to do with no luck.
  • Using only one RAM in different slots.
  • Removing the Graphics card and connect my screen on the integrated VGA in the motherboard.
  • Making sure all cables are connected (Including the 8pin connector on the upper left)

My guess, the RAM I have should be powered by 1.65v. And as I heard that most motherboards use 1.5v by default. May be this is the reason, isn't it ? If yes, why would it work first few times?

Could someone please explain to me what might cause this problem and is it possible to fix without replacing the motherboard?

Any help would be appreciated,
Thanks in Advance,
Tefa
Edited by tefaa89 - 5/14/14 at 7:05am
post #2 of 9
Thinking the RAM voltage is incorrect would not cause that issue. All memory follows JEDEC profiles, meaning if you have a ridiculous kit of like 2400mhz at 1.65v, it will still boot at something that ALL motherboards will start up to. Like probably 1066mhz or 1333mhz CAS 9 1.5v or similar.

Anyway I would try clearing CMOS. If still not working it could be a grounding issue. Take the motherboard and all components hooked to it (CPU, RAM, GPU, etc..) out of the case. Just try to fire it up when it's sitting on the box the motherboard came in or a similar surface. If it boots up outside the case you know it's a grounding issue so make sure you are using all your standoffs and nothing is interfering with it.
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FreeNAS
(9 items)
 
Beast
(14 items)
 
Alura :)
(11 items)
 
CPUMotherboardGraphicsRAM
Intel Xeon E3-1245 v5 SuperMicro X11SSM-F-O C236 Integrated 2 x 16GB Kingston ValueRAM ECC KVR21E15D8/16 
Hard DriveCoolingOSPower
5 x 8TB Seagate IronWolf Pro in ZF2 Array CoolerMaster Hyper 212 Evo FreeNAS 11 EVGA SuperNOVA G2 550W Gold 
Case
Fractal Design Node 804 
CPUMotherboardGraphicsRAM
i7 4790k Asus Z97 Pro WIFI-AC Sapphire Nitro Radeon R9 Fury Tri-X OC+  G.Skill 4 x 8GB F3-2133C9D-16GXH 
Hard DriveOptical DriveCoolingOS
2 x Intel 730 480GB SSD in RAID 0 Asus DRW-24B1ST/BLK/B/AS Noctua NH-D15 Winblows 10 Pro x64 
MonitorKeyboardPowerCase
Pixio PX277 Logitech G510 Seasonic SS-660XP2 Fractal Design R4 Blackout 
MouseMouse Pad
Logitech G500 Xtrac Ripper 
CPUMotherboardGraphicsRAM
i5 2500k Asus P8Z68-V Pro MSI R7970 Lightning BE 2 x 4GB G.Skill Ripjaws 2133mhz 
Hard DriveOptical DriveCoolingOS
Mushkin Enhanced Chronos 240GB and WD Black 1TB Asus DRW-24B1ST Cooler Master Hyper 212 EVO Windows 7 Ultimate x64 
MonitorPowerCase
Hannspree 24 inch Thermaltake Tough Power TP-750P 750W Gold Cooler Master HAF 932 
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post #3 of 9
Code 15 means IMC halted before DRAM training even started. Either DRAM is very badly unstable or IMC has an issue (could be IMC voltage needs changing also). Assuming no bent or poorly contacting pins in socket (sometimes CPU might need re-seating).

-Raja
post #4 of 9
Thread Starter 
I tried all mentioned suggestions with no success.

I cleared the CMOS by moving the jumper to next two pins for 10sec then moving it back again afterwards (as explained in the motherboard's guide).
I borrowed another RAM form a friend a tried it out.
I moved the motherboard out of the case to avoid any grounding issues.

Its always stuck at code 15.

Everyone who bought this motherboard is giving it positive review and they are saying its good quality. I am surprised that I cannot get it to work.

I guess I will just replace it then a hope that I the one I have right now is just faulty built frown.gif

Thanks for you help.
Edited by tefaa89 - 5/22/14 at 7:10am
post #5 of 9
Will the code change if the memory is removed completely?
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Mighty-iTX
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One foot in..
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i7-4770K M7-Impact Strix GTX980 Samsung 
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Crucial M4 256 Glacer 240L W8.1 K272HUL 
KeyboardPowerCaseMouse
Saitek Seasonic X-650 Prodigy MX518 
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4770K/45/43 Maximus VI Extreme R290X R290X 
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Cooler Master Glacer 7 Ultimate 64 SyncMaster Eclipse 
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post #6 of 9
Thread Starter 
Yes the code changes to (5something) I don't remember exactly the code but I checked it out in the mobo's guide and it was saying that RAM doesn't exist
Edited by tefaa89 - 5/22/14 at 7:06am
post #7 of 9
Now install one module but connect no video, remove your card and do not connect to the on board.
See if you get a different code.

Also as Raja suggested reseat the cpu, use the OEM cooler if possible.
Sometimes over torquing coolers can cause funky memory related post codes.
Edited by grunion - 5/21/14 at 8:58am
Mighty-iTX
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One foot in..
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mATX
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CPUMotherboardGraphicsRAM
i7-4770K M7-Impact Strix GTX980 Samsung 
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Crucial M4 256 Glacer 240L W8.1 K272HUL 
KeyboardPowerCaseMouse
Saitek Seasonic X-650 Prodigy MX518 
CPUMotherboardGraphicsGraphics
4770K/45/43 Maximus VI Extreme R290X R290X 
RAMHard DriveHard DriveOptical Drive
Samsung Crucial M4 64GB RAIDR LSSWM 
CoolingOSMonitorKeyboard
Cooler Master Glacer 7 Ultimate 64 SyncMaster Eclipse 
PowerCaseMouseMouse Pad
XFX 1050 BE 600T Silver MX518 Desk 
CPUMotherboardGraphicsRAM
i5-4330 Z87 Gryphon GTX690 G.Skill RipJawsX 
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Mighty-iTX
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CPUMotherboardGraphicsRAM
i7-4770K M7-Impact Strix GTX980 Samsung 
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Crucial M4 256 Glacer 240L W8.1 K272HUL 
KeyboardPowerCaseMouse
Saitek Seasonic X-650 Prodigy MX518 
CPUMotherboardGraphicsGraphics
4770K/45/43 Maximus VI Extreme R290X R290X 
RAMHard DriveHard DriveOptical Drive
Samsung Crucial M4 64GB RAIDR LSSWM 
CoolingOSMonitorKeyboard
Cooler Master Glacer 7 Ultimate 64 SyncMaster Eclipse 
PowerCaseMouseMouse Pad
XFX 1050 BE 600T Silver MX518 Desk 
CPUMotherboardGraphicsRAM
i5-4330 Z87 Gryphon GTX690 G.Skill RipJawsX 
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post #8 of 9
Thread Starter 
I removed my video card directly after I got this code for the first time. I am using the built-in video card.

Regarding the CPU. I already tried what Raja's suggested before (reseating the CPU several times). And I am already using the OEM cooler, I don't have aftermarket cooler yet.

Anyway, this morning I replaced the motherboard and got a new one already. I can't try it out now since I am at work.

I will post updates once I assemble the new board.
post #9 of 9
Thread Starter 
OK everything is working now without problems.

I just replaced the motherboard and everything is fine now.

I really hope this problem will not happen again cuz unfortunately I still have no idea what caused it.

Thanks everyone for the advises
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