In place windows 11 upgrade results in a BSOD after the first restart.

1. Enter Safe Mode:
Reboot your computer and press F8 or Shift + F8 at startup to access advanced boot options.
Select “Safe Mode” boot and check if the problem still exists.
2. Rollback to previous system:
In Safe Mode, open “Settings” > “System” > “Recovery” and select “Rollback to previous version “.
3. Update or rollback the driver:
Open “Device Manager”, check if any device shows a yellow exclamation mark.
Right click on the device and select “Update Driver” or “Rollback Driver”.
4. Check hardware compatibility:
Use the PC Health Check utility to check if the device meets the minimum hardware requirements for Windows 11.
Make sure the device supports TPM 2.0, Secure Boot and UEFI firmware.
5. Disable unnecessary startup items:
Press Ctrl + Shift + Esc to open Task Manager, switch to the “Startup” tab and disable unnecessary startup programs.
6. Check BIOS/UEFI settings:
Go to BIOS/UEFI setup and make sure TPM 2.0 and Secure Boot are enabled.
Update the BIOS/UEFI to the latest version.
7. Use Clean Boot:
Press Win + R, type msconfig, and enter.
In the “Services” tab, check “Hide all Microsoft services” and click “Disable all”.
In the “Startup” tab, click “Open Task Manager” and disable all startup items.
Restart your computer and try to upgrade again.
8. Contact Microsoft Support:
If the issue remains unresolved, submit the issue via Microsoft Support with detailed error messages and log files