ASUS Z87 -A UEFI/BIOS stopped working

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Raffaelschmidt

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Jan 25, 2014
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I just bought a new i7 4770k and an Asus z87 -a and 32 GB of Patriot 2133 mhz RAM to upgrade my current build.


Current Build:

  • Corsair TX850
    Gigabyte 870a-ud3
    i7 860
    Kingston 2x4 GB DDR3 RAM 1600 mhz
    Samsung 830 SSD

New Build:

  • Corsair TX850
    Asus z87 -a
    i7 4770k
    4x8 GB Patriot 2133 mhz
    Samsung 830 SSD


I installed my motherboard in my case, added RAM and CPU then connected everything with my PSU. Started. POST had no problems.

Next I pressed F2 to enter UEFI and clicked on advanced settings... Suddenly a freeze occured when I scrolled down a bit then I turned off the computer after waiting 2-3 minutes.

Then I tried turning it on to notice:

  • Fans are working
    DRAM LED flashing red
    CPU LED is flashing red


So I cleared CMOS by following the steps in the manual but it's still not working. And yes I checked different RAM, cpu for bent pins. PSU is working on my other build. It doesn't look like a PSU/CPU/RAM problem.
 
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Vana Ivan Pandovski

Vana Ivan Pandovski

Distinguished
Jan 15, 2014
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Have you tried to put ur RAM memory on AUTO set speed then see if will work ,if still problem presist ,remove CPU try to put him back clean and good not to much force,check if the CPU fan works =IMMPORTANT,see all cables that are connected to MB are connected doog,see if u missing something ok..then tell me more...
 
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Raffaelschmidt

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Jan 25, 2014
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10,510


Now the CPU fan is spinning, CPU LED is flashing and because there is no RAM the DRAM LED is solid red.
 
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Raffaelschmidt

Honorable
Jan 25, 2014
5
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I cannot access UEFI/BIOS because it's not even starting. I can't set my RAM Memory on auto. No signal.
 
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alexoiu

alexoiu

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Nov 1, 2012
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Insert single RAM stick and test again.
 
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R

Raffaelschmidt

Honorable
Jan 25, 2014
5
0
10,510


I tried that before

CPU + CPU Fan + 1 RAM (A1 to B2) = CPU Led and DRAM Led flashing
CPU + No CPU Fan + 1 RAM (A1 to B2) = CPU Led solid and DRAM Led flashing
CPU + No CPU Fan + No RAM (A1 to B2) = CPU Led and DRAM Led solid
CPU + CPU Fan + No RAM (A1 to B2) = CPU Led flashing and DRAM Led solid

Same results with another PSU.

I read blinking may indicate a short, but I can't imagine how this could happen.
 
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