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AsRock Z77 Extreme4 Issues

post #1 of 2
Thread Starter 
Hey OCN guys. I'm experiencing a couple of issues with my newly RMA'd Extreme4.

Brief History...
My first Z77 was working fine for a year until I installed a second GTX 680. I have a Seasonic Bronze 850W PSU so I believe that's more than enough for it. Any way long story short, for some reason 1 of my 680's wouldn't be recognized by any board and my extreme4 wouldn't boot. The board would turn on and restart without getting to post and repeat the process over and over again. I got both my 680 and extreme4 RMA'd after about a long month.

Next...
So my board and 680 came and I put the desktop back together and low and behold it turned on without a hitch on the very 1st try. I didn't reinstall Windows since everything is basically the same. All I did was update NVIDIA driver for SLI.

Until...
The next day I turned on my desktop excited for a long gaming session after having lost my desktop for more than a month and it didn't turn on. Well it did turn on with everything running except there was no display. I restarted it via the reset button on the case and still the same thing. The computer only turned on after I hit the reset CMOS button. Take note that I haven't overclocked my computer yet since it just arrived and I haven't had the time to overclock.

And this is the current situation. Every time I first turn on my desktop it won't boot until I hit reset CMOS and then it works without a hitch. At times it would get to Windows but freeze then lose the display and then I'd have to reset it again. This all happens during the first 1 or 2 restarts then everything runs smoothly. I had 1 incident where only memory slot 3 would detect ram, any other slot and the board would give me an error 55 (no memory installed) and after re-seating and cleaning the ram with rubber numerous times, it finally recognized it.

One fairly important observation of mine is that when both GPU's run at x8 which is how it's suppose to run, it freezes/refuses to boot (this is during the 1st-2nd reboot). When I do get a stable session, my 1st GPU always runs at PCI-e X4 speeds unless I change the PCI-E setting in BIOS to run at Gen 3 then I get PCI-E 3 x4. Basically it seems like the board is having trouble running both cards at x8 speeds. I used GPU-Z for this.

- No issues with temps
- Same thing when running 1/Integrated GPU.
- Memtest run no errors found
- Mobo BIOS is 2.90 (Latest)

My thoughts...
- Faulty board
- CMOS battery but IDK if a CMOS battery would cause these issues
- Another culprit could be the video card but the top card (Which gets to x4 speeds) is NOT the card that got RMA'd recently
- PSU could be the issue but I don't get how it fails to run 2 cards at x8 but lowering 1 of them to x4 and everything runs smoothly
- I'm thinking of reinstalling windows but the issue really feels hardware related

Any inputs from experts who have experienced this before would be appreciated.
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CPUMotherboardGraphicsRAM
Intel Core i7 2630QM @ 2.9 GHz Alienware HM67 Chipset NVIDIA GeForce GT 555M 1.5GB GDDR3 @ 760/1080 Kingston HyperX PnP 2x4GB @ 1866MHz SODIMM 
Hard DriveOptical DriveOSMonitor
WD Scorpio Black 500GB Slot Loaded DVD/RW Windows 7 Home Premium 14.1" 1600x900p WLED LCD Display 
KeyboardPowerCaseMouse
Alienware M14x Standard Keyboard 8-cell Battery with 150W adapter Alienware M14x Chassis Roccat Pyra Wireless Gaming Mouse 
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Roccat Alumic Double Sided Hard Gaming Mat Alienware M14x on-board Speakers by Klipsch 
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PROMETHEUS
(19 items)
 
ABOMINATION
(14 items)
 
 
CPUMotherboardGraphicsRAM
Intel Core i7 2630QM @ 2.9 GHz Alienware HM67 Chipset NVIDIA GeForce GT 555M 1.5GB GDDR3 @ 760/1080 Kingston HyperX PnP 2x4GB @ 1866MHz SODIMM 
Hard DriveOptical DriveOSMonitor
WD Scorpio Black 500GB Slot Loaded DVD/RW Windows 7 Home Premium 14.1" 1600x900p WLED LCD Display 
KeyboardPowerCaseMouse
Alienware M14x Standard Keyboard 8-cell Battery with 150W adapter Alienware M14x Chassis Roccat Pyra Wireless Gaming Mouse 
Mouse PadAudio
Roccat Alumic Double Sided Hard Gaming Mat Alienware M14x on-board Speakers by Klipsch 
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post #2 of 2
Strange, Try a different PSU and also make sure the Integrated GPU is always disabled. And yes your right they both should be running at 8x when running two GPU cards for SLI.

I'd try a different PSU for sure though wink.gif
Dreamland
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Intel i5-4690 GA-Z97X-UD3H ASUS GTX 1060 Turbo 6GB 4x4GB Samsung DDR3-1600 
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Samsung 950 Pro 256GB Pioneer BDR-208DBK Windows 10 Enterprise N 2016 LTSB LG 32MP58 
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Razer Blackwidow Ultimate 2016 Cooler Master V650 Antec Three Hundred Logitech G502 
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Creative Gigaworks T40 Series II 
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Dreamland
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel i5-4690 GA-Z97X-UD3H ASUS GTX 1060 Turbo 6GB 4x4GB Samsung DDR3-1600 
Hard DriveOptical DriveOSMonitor
Samsung 950 Pro 256GB Pioneer BDR-208DBK Windows 10 Enterprise N 2016 LTSB LG 32MP58 
KeyboardPowerCaseMouse
Razer Blackwidow Ultimate 2016 Cooler Master V650 Antec Three Hundred Logitech G502 
Audio
Creative Gigaworks T40 Series II 
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