Safe Mode with Networking if you need internet access. HP Support +4 3. When Windows Won't Boot (Startup Menu) If your PC doesn't reach the login screen, you can use HP's specific hardware keys. HP Support +1 10 sites HP PCs - Windows Safe Mode (Windows 10) | HP® Support Enter Safe Mode from Windows. Use the following procedure to enter Safe Mode. ... Learn how to enter safe mode from Windows 10. Se... HP Support