Windows 10: My NVIDIA GPU Crash with no reason and disconnect! Need Help!

So I'm on Windows 10 and I had no problem with my PC before...When I play some games or listen to some music, suddenly my screens become black and flickering. Then often my PC blue screens with different stop codes or just continues running but only with the main screen, my second one doesn't work. I restart a couple of times and it works again. When my screen doesn't work, I check the peripheral tab and my RTX 2060 isn't there, it just disappears.After the crash, I searched and found the crash log of Windows. An application called dwm.exe crashes 1 or 2 times, then makes my Kernel crash, then

:)

 

NVIDIA Graphics card showing up as disconnected

Hello I have a flex 3 1470 (model 80JK001GUS) which comes with a NVIDIA graphics card (940m). I recently had a problem with power, I took it to a lenovo service center, and they replaced the motherboard to fix it.

However, After replacing the motherboard, my laptop does not detect the presence of an NVIDIA card; I cannot install new drivers because it says that there is no card either.

The device manager lists it as "disconnected" (code 45) and has it hidden.

Here is what i have attempted to do so far (I have a restore point set before the attempts so if it doesnt work i can go back)

a. Delete all NVIDIA drivers, programs (except GEFORCE EXPERIENCE), reboot run GEFORCE EXPERIENCE.

result: GEFORCE Does not detect NVIDIA GPU

b. Attempt to install update to NVIDIA through downloaded driver from BOTH LENOVO and NVIDIA.

result: neither detects a NVIDIA GPU

c. Attempted "display driver uninstaller" method

result: no gpu detected after following through with safe mode uninstaller, and then installing through downloaded driver setup

d. Deleting hidden device: MOBILE 5TH GEN INTEL CORE PCI EXPRESS ROOT PORT 5.

reasoning : it was hidden, and i saw another post saying he did it, but port 5 is listed as disconnected.

result: when i deleted it, it deleted the disconnected hidden 940M display adapter as well.

e. Going into the service center and telling them "I dont know if the new motherboard has the nvidia gpu, because I dont think they make the mother board anymore (i submitted a post a few days ago claiming that they didnt give me
the right motherboard, still not convinced they did)

result: they said oh its there you just have to delete the nvidia programs then run GEFORCE Experience.

Im in a bind here. Can someone come up with some suggestions to whats wrong? thank you

EDIT: Also tried updating intel graphics card drivers, nothing changed either. dxdiag test here :https://drive.google.com/file/d/0B-AmQmeKx7LvVDd4a2tMUHBNWGM/view?usp=sharing

 

Nvidia gpu disconnected

I went into my devices and the nvidia geforce gpu was under the hidden objects and it says "Currently, this hardware device is not connected to the computer. (Code 45)" How do i get it to connect?

 

GPU crash

Edit: I'm going to leave this up here incase anyone else runs into similar problems.

So I set my GPU's power target to 50% and my game didn't crash right after getting in to the main menu anymore.

I then proceeded to gradually raise the power target and once I reached around 90% it started getting unstable again.

Fairly sure it's a PSU problem since I've exhausted every other possibility at this point.

I think I only have 50% of the things listed of what I've tried here.

Insufficient power can lead to instability, causing graphics driver crashes. You might experience a black screen, a frozen display, or the operating system notifying you that the graphics driver has stopped responding.

This explains why I sometimes had BSOD's and sometimes not:

Other than the CPU, the computer's graphics card is the most power-hungry component in the system. The GPU is a likely target to show the earliest symptoms of being underpowered. When a graphics card is underpowered it will drop the performance levels and display graphics at a lower quality. The graphics downgrade will usually trigger if you run a graphics-heavy game or application that pushes the card to its limits. Graphics settings drops are usually accompanied with an error message and often start when you add new hardware to the system or replace an old component with a more power-demanding one.

System instability can also cause driver errors and disable individual system devices. Additionally, if the computer isn't getting enough power the PSU may just give up and shut down the entire system. The forced shutdown is similar to the BSOD, but the power is so insufficient that the system immediately shuts down and is unable to even display an error message.

I recently updated some parts of my PC (Mobo, Processor, and RAM), and I've been experiencing crashes with various BSOD errors, such as Bad_system_config_info and Video_scheduler_internal_error.

Minidump file: My minidump.zip

1. Windows Fresh Install:
   
   • Initially, I performed a fresh install of Windows, and it seemed to work for a while. However, the Video_scheduler_internal_error resurfaced later on.
     
2. BIOS Update:
   
   • I updated the BIOS to the latest version.
     
3. GPU Driver Troubleshooting:
   
   • I used DDU multiple times to wipe GPU drivers and installed both the newest and previous versions.
     
4. Registry Edits:
   
   • Attempted registry edits to address potential software-related problems.
     
5. Nvidia 3D Settings:
   
   • Adjusted Nvidia's 3D settings to "Prefer maximum performance" based on suggestions from others.
     
6. SFC /scannow:
   
   • SFC /scannow detected and fixed corrupted files on both Windows installations. (Clean scans now)
     
7. Windows Update Issues:
   
   • Encountered problems where Windows couldn't update everything, but this issue has been resolved.
     
8. System stability:
   

• My system is stable during CPU and GPU stress tests, with good temperatures. No crashes occur during these stress tests.
  

9. Gaming related issues:

• However, as soon as I launch a game, crashes happen. Sometimes, the screen freezes, and after a few seconds, I can ALT + TAB to close the game and continue normally.
  

10. Event Viewer Info:

• Event Viewer reports "\Device\Video5 Error occurred on GPUID: 600," and "nvlddmkm stopped responding and has successfully recovered." Occasionally, this doesn't recover, leading to a BSOD with the Video_Scheduler_Internal_Error.
  

(Possible Edits)

Something else that I can remember I tried:

• Reseated the GPU and cleaned the slot.
  
• CHKDSK
  
• Memtest86+ overnight
  

Everything was working fine prior to changing the parts.

Current Specs:

• Processor: AMD Ryzen 7 5800X3D
  
• Motherboard: ROG STRIX B550-F GAMING
  
• GPU: ROG STRIX 1080 Ti 11GB
  
• RAM: Kingston FURY Renegade DDR4 3600 Mhz CL16 (32 GB - 2x16 GB)
  
• Storage: Kingston HyperX Fury 248 GB / Barracuda 2 TB
  
• PSU: Corsair PSU VS650 650 W
  
• Windows 10 Pro
  

Previous Specs:

• Processor: i7-7700k
  
• Motherboard: MSI Z270 M7 Gaming
  
• GPU: ROG STRIX 1080 Ti 11GB
  
• RAM: Corsair Vengeance LPX DDR4 3000 C15 (16 GB)
  
• Storage: Kingston HyperX Fury 248 GB / Barracuda 2 TB
  
• PSU: Corsair VS650 650 W
  
• Windows 10 Pro
  

Any ideas or help is appreciated!