When you use a normal startup process for Windows, several applications and services start automatically and run in the background. This includes basic system processes, antivirus software, system utility applications, and other installed software. Sometimes a background program can cause screen issues, but a clean boot starts Windows with a minimal set of drivers and startup programs so you can troubleshoot software compatibility issues.
To test software compatibility:
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Check the screen. If it isn't black or blank while you're in the clean boot environment, follow the steps in How to perform a clean boot in Windows—you'll need to go to the section called “How to determine what is causing the problem after you do a clean boot." By systematically turning the startup applications or services off and back on one at a time, then restarting your device after each one, you can figure out whether a startup application or service is causing the problem.
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When you finish troubleshooting, follow the steps in the section called ”Reset the computer to start normally” in How to perform a clean boot in Windows.
