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MSI B350 Tomahawk/Ryzen 1600 not posting.

Finally got around to making a new computer! Been a bit of a hassle so far, got the wrong CPU first time, the USB flash drive to put windows 10 on never worked and so on but FINALLY I got everything I need!

I put everything together, the first boot I had both RAM sticks in and I got a CPU debug LED. Never went away, waited 5 minutes and then turned it off. Looks around and saw things saying "The board doesn't support R5s because it came out before them!". So I was kinda upset. So I then pulled everything out there, redid everything and started another boot with only 1 stick in the A2 slot, the CPU debug LED flashed on for like 10 seconds and then when away. Fans were spinning, the 'ambient' LEDs were on and so on but I never got a post and my monitor was getting no signal from my GPU.

So I am kinda confused. I looked up the Tomahawk's memory QVL and I noticed I must have bought the wrong type: The RAM I got: https://pcpartpicker.com/product/BYH48d/corsair-memory-cmk8gx4m2b3000c15 The Motherboard QVL on the MSI site doesn't have this RAM listed but it has a few matched codes. Must have confused me.

So before I get all worked up and RMA everything, would my problem be mostly RAM based or am I facing something else?


*Another thing of interest is my GPU isn't on the supported list so maybe that would cause problems as well with the no video issue. The RAM code seems extremely close to a lot of other ram sticks, just 8gb smaller and maybe a CAS higer...I might wait til my GPU comes in as well*
Reply to Seanicus
10 answers Last reply Best Answer
More about msi b350 tomahawk ryzen 1600 posting
  1. Drop to one stick of RAM in required slot for single stick operation....

    Make certain your monitor is connected to a GPU video output, and not one of the outputs for integrated video, which you cpu does not support.
    Reply to mdd1963
  2. I put one stick in the proper slot, that was what made the CPU debug LED go away.

    Also yeah it's in the GPU.
    Reply to Seanicus
  3. That ram works on the tomahawk .
    Only at 2666mhz but it definitely works.
    Try reseating your CPU .
    Reply to madmatt30
  4. Did that as well. I have no CPU debug led so I can only guess it's working fine.

    The only time the CPU debug led was when I had the 2nd stick of ram in. With that out, there's no debug lights. My only guess is that my GPU is not working as it's not supported on the mobo as per the manufacturer's GPU support sheet. For all I know, I could be posting but I'm not seeing as my monitor gets no signal? If that's a possibility, I'm sure my 1050 Ti will fix the problem if that's the case.
    Reply to Seanicus
  5. Which ez debug led is the board stuck on?

    I never really bother with the qvl, as long as I've got some ram that's close enough to what they've tested then that's fine by me, and never had a problem working this way, for obvious reasons, they can't test all the kits, just far too many of them, so they just use what they have and build a qvl out of that.
    Reply to Seanie280672
  6. Seanie280672 said:
    Which ez debug led is the board stuck on?

    I never really bother with the qvl, as long as I've got some ram that's close enough to what they've tested then that's fine by me, and never had a problem working this way, for obvious reasons, they can't test all the kits, just far too many of them, so they just use what they have and build a qvl out of that.


    At the current moment I have no debug lights. Cpu flashes on for a few seconds and then its gone.

    Im not getting any display on monitor seems to be my current problem.
    Reply to Seanicus
  7. Best answer
    Seanicus said:
    Seanie280672 said:
    Which ez debug led is the board stuck on?

    I never really bother with the qvl, as long as I've got some ram that's close enough to what they've tested then that's fine by me, and never had a problem working this way, for obvious reasons, they can't test all the kits, just far too many of them, so they just use what they have and build a qvl out of that.


    At the current moment I have no debug lights. Cpu flashes on for a few seconds and then its gone.

    Im not getting any display on monitor seems to be my current problem.


    Someone else who had the same issue recently, it just turned out to be the cable from the graphics card to the monitor, try different cables if possible, HDMI and DVI etc, usually if there is a hardware error, one of the ezdebug LEDs will be on, unless of course if the board itself is at fault.
    Reply to Seanie280672
  8. Seanie280672 said:
    Seanicus said:
    Seanie280672 said:
    Which ez debug led is the board stuck on?

    I never really bother with the qvl, as long as I've got some ram that's close enough to what they've tested then that's fine by me, and never had a problem working this way, for obvious reasons, they can't test all the kits, just far too many of them, so they just use what they have and build a qvl out of that.


    At the current moment I have no debug lights. Cpu flashes on for a few seconds and then its gone.

    Im not getting any display on monitor seems to be my current problem.


    Someone else who had the same issue recently, it just turned out to be the cable from the graphics card to the monitor, try different cables if possible, HDMI and DVI etc, usually if there is a hardware error, one of the ezdebug LEDs will be on, unless of course if the board itself is at fault.


    Definitely going to try with the new GPU coming in. The board manufacturer doesnt even have what I have right now listed as supported (650 ti) and my monitor is a bit aged (only has VGA and DVI, no Display Port/HDMI). My guess is that it doesnt play well with VGA.
    Reply to Seanicus
  9. New gpu is in. Using a DVI cable and still no signal to the monitor. Tried a few flatscreen TVs with HDMIs and nothing as well. My only idea is to get a new monitor with HDMI and hope for the best or just get ready to ship this board back for a new one. Seriously at my wit's end.

    The GPU fan spins, no debug LEDs in sight. Everything looks fine just no monitor signal at all.
    Reply to Seanicus
  10. 100% sure its the BIOS at this point. Going to hope a shop around has an R7 to flash this or I might just cut my losses and RMA/refund it for another manufacturer.
    Reply to Seanicus
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