Ubuntu Logo on Screen — Orange

1920 × 1200

Windows 8 Login Screen — Black, Minimalist

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Ubuntu Logo on Screen — Gray

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Windows Vista login screen

1280 × 1024

Windows 7 login screen

1920 × 1200

Windows 8 login screen

1920 × 1080

Windows 7 login screen

1920 × 1200

Windows 7 login screen

1920 × 1200

Ubuntu Linux startup screen

1280 × 1024

Windows 7 Logo — Blue, Serene, Digital Art, Statue

1600 × 1200

Windows Seven Logo — Blue, Serene, Digital Art, Text

1920 × 1200

Windows 8 loading screen

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