ASRock Z77 Extreme 4 Boot loop

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Kennethtruyers

Honorable
Feb 22, 2013
4
0
10,510
Hi,

My PC is stuck in a boot loop.
When I start it up, the debug display shows a few codes, up until 4F and then reboots again.
I looked at this code in the manual and it says "DXE IPL is started.

I've tried the following things:

  • Disconnecting everything but the RAM and the CPU (wihtout the RAM I get a beep which indicates no RAM is available) ==> This still gives me the same error

    Running the entire configuration outside of the case to discard a short against the case ==> This still gives me the same error

    Resetting the CMOS ==> The first time it tries to boot after the reset it display 4F, then 67 and then reboots, after that, it just gets stuck again in the same loop.

    Using a different PSU ==> Still the same problem
My configuration:

  • CPU: Intel Core i7 3770K
    PSU: Corsair HX650
    SSD: Samsung 840 Pro
    RAM: 16GB (2x8GB DDR3-1600)(Kingston HyperX Genesis)
    Case: CoolerMaster Silencia 650
This PC has been working for 3 years. The problem occured after I installed a program which installed hardware drivers for a hardware dongle. It required a reboot and that's when the problem started showing.

I'm guessing either my mainboard or my CPU is fried, but I have no idea how to check it. Any ideas?
 
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K

Kennethtruyers

Honorable
Feb 22, 2013
4
0
10,510


My PC is not booting at all, so I can't even get to safe mode.

I figured probably my BIOS chip was dead and ordered a new one (it was also the cheapest option to try first). The 4F error is gone, but now I get another error: D6 which according to the manual is "No console output devices are found". It also beeps 3 times when it gets to D6

Again I tried all of the above, as well as connecting a monitor, harddrive and all RAM, but the error keeps D6, unless I also unplug my mouse as well, in which case it beeps 3 times at D6 and then jumps to D7 "No console imput devices are found".

At this point I'm thinking either the CPU is dead (with the integrated GPU) or the mainboard. No idea which one though.

 
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