On your Windows 10 computer, you can attempt to do a self-repair in a few different ways: Run the Startup Repair tool:- Windows 10 comes with a built-in utility called Startup Repair that may be used to resolve problems preventing your system from starting up properly. To utilize the Startup Repair tool, you must start your computer from a Windows installation DVD and choose the "Repair your machine" option from the Windows setup screen. When in the Windows Recovery Environment, choose "Startup Repair" to launch the repair procedure. Use the System File Checker (SFC) tool:- The System File Checker (SFC) program is a command-line tool that may search your system for corrupted or missing system files and make an effort to fix them. To use the SFC utility, use the Command Prompt as an administrator and enter the command "sfc /scannow". Use the Deployment Image Servicing and Management (DISM) tool:- System image files can be fixed and restored using the Deployment Image Servicing and Management (DISM) tool, a command-line application. The DISM program can be launched by typing the "DISM /Online /Cleanup-Image /RestoreHealth" into the Command Prompt after being opened as an administrator. It's crucial to remember that these tools might not be able to resolve every problem. In some circumstances, you might need to try additional troubleshooting techniques, such as recovering your system from a prior restore point or carrying out a system restore.