A clean boot is a good next step, as we've ruled out several potential causes.
How to perform a clean boot:
- Click the Start menu and open it.
- Go to the Services tab.
- Check the box next to "Hide all Microsoft services."
- Click "Disable all."
- Go to the Startup tab.
- Click "Open Task Manager."
- In Task Manager, disable all items in the Startup tab.
- Close Task Manager and click "OK" under System Configuration.
- Restart your computer.
If the blue screen does not appear during a clean boot, it indicates a conflict with a third-party service or startup program.