Question ASrock B450M Pro4 Bootloop

cgouldstone45

Prominent
Sep 23, 2018
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I have an ASrock B450M Pro4 which I'm looking at for a friend. He says he moved the RAM around and then it got stuck in a bootloop. There is no video output and only the fans and RGB LEDs spin up. After a BIOS reset I managed to get into the BIOS, but as soon as I shut it down and put in the other stick of RAM I was back in the bootloop. I have tried:

  1. Both sticks in all slot combinations
  2. One stick in each slot
  3. No RAM
  4. No GPU
  5. Normal BIOS reset
  6. Taking out CMOS battery
  7. Reseating CPU
I suspect it's a faulty motherboard or RAM but any ideas?
No beep codes either
 
I have an ASrock B450M Pro4 which I'm looking at for a friend. He says he moved the RAM around and then it got stuck in a bootloop. There is no video output and only the fans and RGB LEDs spin up. After a BIOS reset I managed to get into the BIOS, but as soon as I shut it down and put in the other stick of RAM I was back in the bootloop. I have tried:

  1. Both sticks in all slot combinations
  2. One stick in each slot
  3. No RAM
  4. No GPU
  5. Normal BIOS reset
  6. Taking out CMOS battery
  7. Reseating CPU
I suspect it's a faulty motherboard or RAM but any ideas?
No beep codes either
Bent pin?
 

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