There are thousands of pieces of hardware and related drivers available for use in the PC world. The advantage: consumer choice. The disadvantage: hardware compatibility issues are common. There are several debug screens in the installer that can help when an installation fails. Use the Alt-FX key combination to view:

• Alt-F1: main install screen
• Alt-F2: command line (not always available)
• Alt-F3: general log
• Alt-F4: driver log

search?q=clearos%2C%20clearos%20content%2C%20Installer%20Troubleshooting%2C%20clearos5%2C%20userguide%2C%20categoryinstallation%2C%20subcategoryinstaller%2C%20maintainer_dloper&btnI=lucky