MSI X370 Gaming Pro Carbon with Ryzen 1700X No Display and No POST

[rw72386]

The board powers up with all the fans spinning. Front panel indicator lights all turn on. The indicator light to the Optical Drive blinks on. The Debug LEDs on the board for RAM, CPU, and VGA are all off.

But, there is no output to the monitor and the lights on the USB mouse and keyboard don't light up. The board does not appear to POST.

This is what's in the case:

MSI X370 Gaming Pro Carbon
RYZEN 1700X
Ballistix Sport 2 x 16 GB DDR4 2400
Asus Radeon RX 550 4GB GDDR5
Antec TruePower Trio 550W PSU
Samsung 960 EVO M.2 NVMe SSD
SoundBlaster Audigy FX Sound Card
Asus BW-16D1HT 16X Blu-Ray Writer
ThermalTake ContacSilent 12 CPU Cooler

I've already done the following:

1. Reseated DIMM modules and verified they are in the correct slots.
2. Cleared the CMOS by shorting the jumper twice.
3. Tried two different monitors.
4. Verified DVI cable works with a known good system and one of the same monitors I tried earlier.
5. Disconnected graphics card, cleared the CMOS, and connected monitor to onboard DVI connector.
6. Reseated the CPU and cleared the CMOS.
7. Tried each of the 3 PCI-E x16 slots.

So far the only things I haven't tried are switching out the PSU and removing the motherboard to check for objects underneath that could cause it to short.

Any suggestions would be much appreciated. I have to think there is something left to try before I RMA the board.

 

[Supahos]

1) rzyen has no onboard video so definitely don't try anything without the gpu installed as you'll be wasting your time.

2) unplug everything except 1 stick of ram, CPU, CPU cooler and GPU to see if that will boot.

 

[Seanie280672]

I know this is going to sound crazy, but I helped someone out a couple of weeks ago with the same problem, if possible, try with a HDMI cable from the graphics card to a TV or monitor instead of the DVI cable.

If your CPU, RAM, VGA LED's etc are all off, that means they are working fine, its when they are lit you need to worry.

Make sure ram in installed into slots A2 and B2, 2nd and 4th slots.

 

[rw72386]

I'd share what happened next, but I can't get past the metro PCS ad. Right now I'm typing on a tablet blind underneath the ad.

 

[rw72386]

Taking the hardware down to just the CPU, GPU, and a single stick of RAM didn't work. The board does not like it if both the 2nd and 4th DIMM slots are not populated.

When I put everything back together and powered on the system, the branding lights on the board lit up for the first time and I was able to get to the BIOS screen. I didn't have to attempt an HDMI connection in order to do this.

This was puzzling, obviously. I shut down and started the system up again and it failed to come up properly -- just like before. I checked the seating of the CMOS battery (it rocks back and forth in the slot) and was able to bring it up again.

So then I shut down, and removed the CMOS battery to check for any obstructions. The contacts push up on the battery, which explained the rocking, so I blew air into the slot and re-seated the battery. I noticed on the BIOS screen from earlier that it was only reporting the RAM in DIMM2, so I made sure the DIMM4 stick was completely seated. I started up the system and got the same failure that I was getting before.

So maybe it was that stick of memory? Since the system won't start up unless both DIMM2 and DIMM4 are populated, I tried popping out the stick in DIMM4 and seating it improperly -- so that it was making contact but wasn't fully inserted. This time the system came up successfully. I shut down and started it up again. This time the system failed to come up. I pushed the stick of RAM all the way into DIMM4 and started the system up. It came up successfully. I powered down and tried starting up again. It failed to start successfully.

I'll skip the specifics, but I spent the next hour or two starting up the system with the stick of RAM not fully inserted and fully inserted. I also switched the sticks of RAM so that the stick I had put in DIMM2 was now in DIMM4. Again I tested the system with the RAM improperly inserted and fully inserted. I got exactly the same results I described earlier. Sometimes the branding lights would come on and the system would come up and sometimes they wouldn't. The system would come up with the RAM partly inserted into DIMM4 and fail to come up a second time. It would come up with the RAM fully inserted into DIMM4 and fail to come up a second time. It did not matter which stick of RAM I had in DIMM4.

My conclusion: There's something wrong with DIMM4 on the board and it's time to RMA. Is there another possibility that would get me to a stable startup?

 

[Seanie280672]

Taking the hardware down to just the CPU, GPU, and a single stick of RAM didn't work. The board does not like it if both the 2nd and 4th DIMM slots are not populated.

When I put everything back together and powered on the system, the branding lights on the board lit up for the first time and I was able to get to the BIOS screen. I didn't have to attempt an HDMI connection in order to do this.

This was puzzling, obviously. I shut down and started the system up again and it failed to come up properly -- just like before. I checked the seating of the CMOS battery (it rocks back and forth in the slot) and was able to bring it up again.

So then I shut down, and removed the CMOS battery to check for any obstructions. The contacts push up on the battery, which explained the rocking, so I blew air into the slot and re-seated the battery. I noticed on the BIOS screen from earlier that it was only reporting the RAM in DIMM2, so I made sure the DIMM4 stick was completely seated. I started up the system and got the same failure that I was getting before.

So maybe it was that stick of memory? Since the system won't start up unless both DIMM2 and DIMM4 are populated, I tried popping out the stick in DIMM4 and seating it improperly -- so that it was making contact but wasn't fully inserted. This time the system came up successfully. I shut down and started it up again. This time the system failed to come up. I pushed the stick of RAM all the way into DIMM4 and started the system up. It came up successfully. I powered down and tried starting up again. It failed to start successfully.

I'll skip the specifics, but I spent the next hour or two starting up the system with the stick of RAM not fully inserted and fully inserted. I also switched the sticks of RAM so that the stick I had put in DIMM2 was now in DIMM4. Again I tested the system with the RAM improperly inserted and fully inserted. I got exactly the same results I described earlier. Sometimes the branding lights would come on and the system would come up and sometimes they wouldn't. The system would come up with the RAM partly inserted into DIMM4 and fail to come up a second time. It would come up with the RAM fully inserted into DIMM4 and fail to come up a second time. It did not matter which stick of RAM I had in DIMM4.

My conclusion: There's something wrong with DIMM4 on the board and it's time to RMA. Is there another possibility that would get me to a stable startup?

RMA the board, RAM is quite a major component, and with the board acting like that and the stick only partially inserted, you stand a high chance of killing your RAM completely, the board and possible the CPU, whilst your at it, as its going to take a week or so, RMA the ram too, just to make sure that its not the ram playing up.

 

[maverickmuff]

I'm having this same issue. My CPU light blinks on once right after I turn it on. Is my CPU dead?