By default Windows have built in advanced troubleshooting modes and you can access the menu by turning on your computer and pressing the function key F8 key before Windows starts. The different modes are available in safe mode are:
Repair Your Computer: - Shows a list of system recovery tools you can use to repair startup problems, run diagnostics, or restore your system. This option is available only if the tools are installed on your computer's hard disk. If you have a Windows installation disc, the system recovery tools are located on that disc.
Safe Mode: - Starts Windows with a minimal set of drivers and services.
Safe Mode with Networking: - Starts Windows in safe mode and includes the network drivers and services needed to access the Internet or other computers on your network.
Safe Mode with Command Prompt: - Starts Windows in safe mode with a command prompt window instead of the usual Windows interface.
Enable Boot Logging: - Creates a file, ntbtlog.txt, which lists all the drivers that are installed during startup and that might be useful for advanced troubleshooting.
Enable low-resolution video (640×480): - Starts Windows using your current video driver and using low resolution and refresh rate settings. You can use this mode to reset your display settings.
Last Known Good Configuration (advanced): - Starts Windows with the last registry and driver configuration that worked successfully.
Directory Services Restore Mode: - Starts Windows domain controller running Active Directory so that the directory service can be restored.
Debugging Mode: - Starts Windows in an advanced troubleshooting mode intended for IT professionals and system administrators.
Disable automatic restart on system failure: - Prevents Windows from automatically restarting if an error causes Windows to fail. Choose this option only if Windows is stuck in a loop where Windows fails, attempts to restart, and fails again repeatedly.
Disable Driver Signature Enforcement: - Allows drivers containing improper signatures to be installed.
Start Windows Normally: - Starts Windows in its normal mode.