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Please help new built boot loop

Last response: in Motherboards
November 13, 2011 8:33:20 PM

gigabyte Z68A-D3H-B3
Corsair Enthusiast Series TX750 V2 750
G.SKILL F3-12800CL9D-8GBRL Ripjaws 8GB 2X4GB DDR3-1600
Corsair H60
core i5 2500k


So, hi everyone, first let say I tried everything in the forums about boot loop and everything related to system not booting up.
Everything is brand new. Im still waiting for the SSD tomorrow, so all I could do Is boot the thing up and have a look in the bios for the temperate (thermal paste is Arctic silver 5 btw) everythings seems aiiright (20celcius, I do remember it shown 8gb ram,but i didnt not check voltage)

So, I put everything together, start it up, everything is fine, saying something like i dont have OS installed (which is ok cuz i dont have any SSD or HDD installed yet) (AT THIS TIME I DONT HAVE THE SYSTEM SPEAKER PLUGGED ON) , I reboot and go in the BIOS, check the temp, look good. Shutdown, start, restart, shutdown, everytime is a success and it do POST and I can access BIOS (but I cant hear if it beep). The second day, when I try to boot it up, it just boot loop, 1sec up and 3 seconds off again and again, no POST nothing.... (at this time I plugged the system speaker but anyway it restart way before it can beep)

I tried with another PSU (900W warlock) same damn thing.
Also tried to reset CMOS.. no luck...
Tried to see if it was bad ram, dual channel or not, even with no ram at all, no beep, no POST, just a 1 seconds power on then it restart and stay off for 3seconds and then power on but loop again and again...

I ordered the board about 3weeks ago from newegg but only received the casing this weekend to find out the board (or maybe the CPU) died after an hour being on?
As those z68 motherboard dont have LED to indicate if cpu are working or not I cant really tell if its the board or cpu.

(by the way i didnt searched much more but the POWER LED of the HAF 912 casing is solid red, was just wondering if it shouldnt of have been green?)

So, as im about to call newegg for a RMA, i thought writing here would be a greater idea, as im not really sure if its the mb or the cpu. I dont really want to send the mb back to them and pay freight and whatever what other kind of fee to finally discover it was the cpu or viceversa.

Any kind of help would be very appreciated (and I know you are probably laughing ur ass off, I know my english is not perfect, i am sorry i did my best hehe)


More about : built boot loop

November 14, 2011 3:44:18 AM

Some ASUS and GIGABYTE boards are known to double boot. Have you tried flashing your BIOS to the latest version? If you have not, do it. If you have, then there is sadly nothing you can do to fix it unless GIGABYTE decides to fix it somehow.
November 14, 2011 11:11:12 AM

Hi, thanks for the reply.

Is it possible to flash the bios even in the state the computer is?

Thanks ,
Related resources
November 16, 2011 12:16:13 PM

Nothing to do.
mobo is gone back to newegg. RMA. ordered an asus p8p67 deluxe mobo, finger crossed.

Best solution

a c 716 V Motherboard
November 16, 2011 12:58:06 PM

It's impossible to flash the BIOS if the you cannot stay in the BIOS. Most 'Boot Loops' are due to user error. Most are due to shorting of the standoff's or HSF backplate. I noted Arctic Silver 5 - it's conductive, so if there's too much it can get squeezed-out onto the CPU pins which is a guaranteed short (boot loop) and it's a PITA to clean.

Lazyman's Breadboard or Full Breadboard (outside of case). Nice video, start around 13 minutes -

You can try Lazyman's Breadboard -
* Use Stock HSF (Heat Sink Fan); verify no metal to MOBO contact backplate or standoffs
* Disconnect ALL Front Panel & USB Headers ; keep only the PWR & Ground <best> short w/wire.
* Disconnect ALL peripherals including the Keyboard/Mouse
* (1) Stick of RAM in the first DIMM slot from CPU
* Unscrew both the MOBO and PCIe screws

Pull the MOBO away from anything conductive and supported by a towel ; short PWR & Ground to start.
November 25, 2011 11:46:22 PM

Best answer selected by Readon134.