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B450-I AORUS PRO WIFI (SOCKET AM4) MINI-ITX won't post - help!

Discussion in 'General Hardware' started by qwerty42, 13 Feb 2021.

  1. qwerty42

    Associate

    Joined: 31 Aug 2012

    Posts: 26

    Specs
    Ryzen 5 3600
    B450-I AORUS PRO WIFI (SOCKET AM4) MINI-ITX
    Corsair Vengeance LPX 16GB 3600mhz DDR4
    Palit GeForce RTX™ 3070 GamingPro
    Samsung 860 EVO 1TB 2.5 SSD 1TB

    Hello,
    Hoping someone can help.

    This build has been running fine since November and booted up first time when I put it all together.
    The CPU was getting slightly hot (still acceptable 75 – 80) while gaming so yesterday I decided to try and install a Noctua NH-L12S Low Profile cooler.

    On removing the original cooler, it pulled the CPU with it and bent two of the pins slightly – to the extent the CPU wouldn’t slot back into the AM4 socket. I carefully bent them back after watching a video online and it now slots in fine. A small amount of thermal paste ended up on the pins and AM4 socket – I’ve cleaned that small amount with a cotton bud.

    However, the PC now won’t boot. I have tried with the original cooler and the new one (some concern that the new one may have needed to be too tight) but neither lets me post to BIOS. The monitor reports no signal.

    Other notes / things I’ve tried:

    • Cleared CMOS – removed battery for a hour
    • Re-seated RAM
    • Tried with just one RAM stick
    • Disassembled all components and re-assembled from scratch
    • All of the fans CPU, case fans and GPU all spin. GPU’s LEDs light up correctly
    • Weirdly, the case power on button turns the PC on, but then neither it nor the reset button work to turn off or reset. Only way to turn off is to remove the power lead

    Main questions are:

    What to try next? Thinking local PC store and test another AM4 processor to confirm whether it’s that?

    Is there anything I can try myself?

    I’ve included an image of the processor PINS and the AM4 socket for reference.

    Any help greatly appreciated – kicking myself for tinkering now..

    https://pasteboard.co/JOctgTS.jpg CPU

    https://pasteboard.co/JOcu1JY.jpg CPU

    https://pasteboard.co/JOcuihl.jpg SOCKET



    [​IMG]
     
    Last edited: 13 Feb 2021
  2. mickyflinn

    Capodecina

    Joined: 23 Mar 2011

    Posts: 10,817

    Location: West Side

    Have you tried to clear the cmos on the motherboard ?
     
  3. qwerty42

    Associate

    Joined: 31 Aug 2012

    Posts: 26

    I removed the battery for 60 mins with the intention of clearing the CMOS? Is there another / different way to do it?
     
  4. mickyflinn

    Capodecina

    Joined: 23 Mar 2011

    Posts: 10,817

    Location: West Side

    Some motherboards also have a clear cmos jumper use that if so but check you manual .

    Also try booting with one stick of ram.
     
  5. qwerty42

    Associate

    Joined: 31 Aug 2012

    Posts: 26

    Thanks micky. Have reset cmos both ways and tried the single ram but no luck!
     
  6. mickyflinn

    Capodecina

    Joined: 23 Mar 2011

    Posts: 10,817

    Location: West Side

    Maybe take the motherboard out and thoroughly check theres no thermal paste in one of the small holes.

    If alls good i would ring your local pc shop and see if they can test your cpu, hopefully it wont cost much.
     
  7. ASMB

    Gangster

    Joined: 12 Jan 2021

    Posts: 455

    I suspect that it is more likely to be the socket on the motherboard that is damaged than the cpu. I hope that you get this sorted, let us know
     
  8. qwerty42

    Associate

    Joined: 31 Aug 2012

    Posts: 26

    Just wanted to follow up in case it helps anyone else with similar symptoms: it was damage to the MOBO socket and required a replacement board. Had to take it to local PC repair shop. All sorted now
     
  9. ASMB

    Gangster

    Joined: 12 Jan 2021

    Posts: 455

    Pleased to hear that your sorted, thank you for the update
     
  10. pc-guy

    Mobster

    Joined: 29 May 2005

    Posts: 3,714

    did you get a replacement through manufacture or you ended up having to buy new one?

    WRT removing any cooler, make sure you have the system running and preferrably benchmark/stress test the CPU for a decent amount of time so it is nice and warm. therefore the thermal paste is nice and warm and soft. otherwise doing it from cold, it will be a bit like super glue...