Hey everyone! I recently upgraded my PC with a new CPU, GPU, and motherboard. After making all the necessary BIOS adjustments like enabling Secure Boot, TPM, and UEFI mode, I booted it up and was optimistic about installing Windows 11. Unfortunately, I was greeted with a BSOD right away, and after rebooting, I got multiple different BSODs with various stop codes. I've tried troubleshooting by using just one RAM stick, swapping in RAM from another PC, and even testing different GPUs and SSDs. The only things I haven't swapped out are the CPU and motherboard. To make matters worse, even my old installation of Windows 11, which I kept on my previous SSDs, isn't working properly anymore. What could be going wrong? Could it be a faulty motherboard? Here are my specs:
AMD Ryzen 5 5600X
MSI B550M-PRO VDH Wi-Fi
Crucial Ballistix DDR4 2x8GB Kit 3200 MHz
Palit GeForce RTX 5060 Ti 16GB Infinity 3 OC
M.2 SSD Kingston NV1 500GB
2.5' SSD Crucial BX500 500GB
2.5' SSD Crucial BX500 240GB
PSU BeQuiet! System Power 9 500W
Here are the error codes I've encountered:
SYSTEM_THREAD_EXCEPTION_NOT_HANDLED (0x7E)
SYSTEM_PTE MISUSE (0xDA)
KERNEL_MODE_HEAP_CORRUPTION (0x13A)
APC_INDEX_MISMATCH
PAGE_FAULT_IN_NONPAGED
KERNEL_SECURITY_CHECK_FAILURE
KERNEL_AUTO_BOOST_INVALID_LOCK_RELEASE
3 Answers
It sounds frustrating! Did you try launching your installation USB as the primary boot option? If you've enabled XMP for your RAM, try disabling it and see if that helps. Also, looking at those errors, they often involve driver conflicts. When you've cleared up the installation, it might be worth checking all drivers are up to date.
First off, make sure you have the latest BIOS installed for your motherboard. Sometimes outdated BIOS versions can cause weird issues with newer hardware. When installing Windows, it can help to unplug all drives except the one you're booting from. This makes sure Windows doesn’t mess with secondary drives by putting hidden system partitions on them. Also, a lot of those BSOD stop codes relate to driver problems, so keep an eye on that too.
I had a similar experience once! Starting fresh with a clean installation of Windows 11 can sometimes make a huge difference. Just remember to keep only your boot drive connected until installation is complete — it can make things smoother since Windows likes to play tricks by adding partitions on secondary drives.

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