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Solved BSOD and a Red CPU Light

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MSI Meg x570S Tomahawk Max WiFi
Ryzen 3900 (OCD to 4.28)
32gb Trident Neo @3600 (XMP1)
3080ti stock (W/C’d)

PC ran fine all day, no issues. While playing a Beta game, I had a Video Scheduler BSOD, and after the reboot all i have are black screens and Red CPU Led on the MB. I always watch my sensors while I play, so I’m certain it didn’t overheat. No flashy lights anyway…

This is a water cooled custom build, roughly 2yrs old. I just tore it apart 2wks ago, cleaned all up, new paste and such, etc etc…. Been good for 2wks and then all of a sudden, this….

Any ideas? I haven’t tried any repairs on this issue yet. Literally occurred 20min ago.

TIA
 
Ryzen 3900 (OCD to 4.28)

all i have are black screens and Red CPU

A fried CPU is a strong possibility.

The following checks require the computer case to be opened so take the following safety precautions 1st, disconnect the power cord from the wall socket, press the case power button for twenty seconds or so to get rid of any residual charge in the system, take anti static precautions before touching anything inside, you can do this by touching a bare metal part of the case or PSU or if a notebook by touching a household radiator or associated copper feed pipe.

Remove the CMOS battery from the MB and leave it out for a while, press the power on button for 20 seconds or so, put the CMOS battery back in, check that all internal connections and the CPU cooler are secure, check the fan connections - the liquid cooling in particular, reassemble, press the power on button and hope, post back with any update when you are ready.
 
Nah, made a few changes to my OC and she's been running fine ever since. A Clear CMOS brought it back to life... I ran a few SFC/DISM chkdsk restarts and it's been great.

Stil haven't seen any other BIOS Updates, or Nvidia Updates - so I am blaming it on the Beta Game coding. Anything else I do on this PC, she runs perfectly. All in all, the results from multiple TestMem5 and LinPack Xtreme tests say the Memory is perfectly fine. I felt for a while that my memory was the issue - I am still considering going with Dual Channel... pondering.

The primary culprit was the Video Scheduler error. This is what pops in Event Viewer on occasionaly BSODs from the Beta Game.

nt!KeBugCheckEx:
fffff801`5bdf8590 48894c2408 mov qword ptr [rsp+8],rcx ss:0018:ffffd186`e6cca890=0000000000000119
19: kd> !analyze -v
*******************************************************************************
* *
* Bugcheck Analysis *
* *
*******************************************************************************

VIDEO_SCHEDULER_INTERNAL_ERROR (119)
The video scheduler has detected that fatal violation has occurred. This resulted
in a condition that video scheduler can no longer progress. Any other values after
parameter 1 must be individually examined according to the subtype.
Arguments:
Arg1: 0000000000000002, The driver failed upon the submission of a command.
Arg2: ffffffffc000000d
Arg3: ffffd186e6cca960
Arg4: ffffa4095dc43210

Debugging Details:

There is no fix for a Bugged game when the Pc passes all other test. CPU Benchmarking, Cooling test, MemTest 86 and the aforementioned memory stressors, and heat - CPU and GPU are on the same cooling loop and never hit 70C, NEVER. Memory hit 39C yesterday, but it didn't go above that.

I have disabled OC in the BIOS entirely, and it's been great for 24hrs. Now I am going to turn on XMP1 to test the Memory further, and repeat the LinPack Stressor.

Thanks!
 
after the reboot all i have are black screens and Red CPU Led on the MB.

Sorry but the above suggested that you were not able to boot up at all.

Based on your update, had we of known that the PC was running again the fact that you have the wrong RAM for your CPU would have been mentioned, the specs here state up to 3200MHz and if you have XMP or DOCP enabled the RAM will get auto OCd past what the CPU can handle and the PC fall over, all three of the Ryzen 9 3900 range have this RAM speed limitation, see here and here

I felt for a while that my memory was the issue - I am still considering going with Dual Channel... pondering.

For the RAM to function at 3600MHz it must be in dual channel, single channel would only be able to work at a stock speed of. 1066MHz
 
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