how do I fix bluescreen (BSOD) ntoskrnl.exe? (and more)

Question

I need help with fixing my laptop, I need it for school so it's important I get it fixed as soon as possible.

(Specs will be listed at the bottom)

The bluescreen (BSOD) I get the most is:
**STOP CODE :IRQL_NOT_LESS_OR_EQUAL
WHAT FAILED: NTOSKRNL.EXE
**
There are also other occasional ones like:
**PFN LIST CORRUPT
INTERRUPT EXCEPTION NOT HANDLED
**
First of all, I want to start by saying how everything happened. At first, I would get the bluescreen a few times then it would boot up fine then I could use my laptop normally. It never happened while I was using my laptop. Eventually, I got tired of waiting 4 minutes for it to fix itself and I looked up solutions, most online solutions I followed such as using commands in administrator like DISM and SFC. I also went into the UEFI settings and turned off fast boot as well. None of them worked, there was no Windows update so I could not do that either. Then, I decided to do a clean install of all of my graphics drivers. So I used DDU (in safe mode of course) and it bluescreened during the process. I thought it was weird, it was not my first time using DDU but it crashed this time. This is when my bluescreens got bad, my laptop would not boot up at all anymore, no matter how long I waited. I even tried to boot into safe mode, which would not work aswell. So I decided to do a clean Windows install, I wiped my SSD and installed Windows. During the installation process, it still continued to bluescreen but it eventually did install. Even when I had the Windows drivers only and I restarted my laptop, the bluescreen would still show up. I thought it was related to one of my hardware being faulty, so I ran memtest86 multiple times but it kept passing saying everything was fine. So I only put in one ram stick to test, but it still passed. (I tested both individually). Then I also ran the built in Lenovo diagnostic tool (pressing f10 on boot), it said nothing about my motherboard and ram. So I entered Windows after a couple of bluescreens and I used Lenovo Vantage and Lenovo Diagnostics Evolution. Both of them said nothing wrong with anything and did not pick up anything as well. Overall, my laptop only bluescreens when I try to boot it up, currently it will boot up but after a few bluescreens. I just want to be able to fix it entirely, I don't want to have to wait through these bluescreens. If there are any other tests you want me to run, please let me know, as well as a solution.

**SPECS:

Legion 5 15ARH7
BIOS: JUCN64WW
Product number: 82RE0009US****
Processor: AMD Ryzen™ 5 6600H Processor(Ryzen™ 5 6600H)
Memory: 2x 8 GB DDR5-4800
Graphics:** NVIDIA®GeForce RTX™3050 Ti 4GB
Hard Drive: 512GBPCIeGen4x4 (I also have an extra one I bought for extra storage, but it was removed when I installed Windows)

Answer 1

Hello

It sounds like you've already gone through quite a bit of troubleshooting.Given that you've done a clean Windows install and tested your RAM without any issues, it's likely that the problem lies elsewhere.

Check for BIOS/UEFI updates: Ensure that your BIOS/UEFI firmware is up to date. Sometimes, BIOS updates can resolve compatibility issues with hardware components.

Check for overheating: Overheating can cause various issues, including BSODs. Make sure your laptop's cooling system is functioning properly and that there isn't an excessive buildup of dust inside the laptop.

Contact manufacturer support: If none of the above steps resolve the issue, it's possible that there's a hardware fault that's not being detected by the diagnostic tools. In that case, it's best to contact Lenovo support for further assistance, especially since your laptop is still under warranty.