In a case you have problem to run windows normally, you can boot from Windows installation DVD, then force Windows to run safe mode. Here is how.
- Navigate to Advanced Startup Options (Windows 10/8): Tap or click Troubleshoot, then Advanced options, and finally Command Prompt.
- Run one of these commands.
Safe Mode: bcdedit /set {default} safeboot minimal
Safe Mode with Networking: bcdedit /set {default} safeboot network
Safe Mode with Command Prompt: bcdedit /set {default} safeboot minimal bcdedit /set {default} safebootalternateshell yes
3. When you see the return this message: The operation completed successfully
4. Run Exit back to Advanced options.
5. Select Continue.
6. Select Restart. Windows should run as Safe Mode.
