A Stop error occurs or the computer stops responding when you try to start Windows 7.
This problem can occur in many different scenarios including when:
- The registry is corrupt.
- A System file is missing or corrupt.
- A device driver file is missing or corrupt.
You can use the Startup Repair tool To resolve this type of problem. The Startup Repair tool can fix some problems that prevent Windows 7 from starting.
See Can’t start Windows 7 for a step-by-step guide on starting the Startup Repair tool.