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Monday, August 4, 2008

Replacing Windows Splash Screens

The Windows 9x startup splash screen is controlled by the file C:\Logo.sys. If the file is present the image in the file will appear when booting to Windows. If not, the standard Windows splash screen is inside the file C:\IO.sys . The file IO.sys is more than a bmp file so do not change this file with a bmp. In Windows ME the startup screen is controlled by the IO.sys file. And adding a Logo.sys file seems to not work. You must also have the setting Logo=1 in the MSDOS.sys file for the splash screens to work.
The Windows 95 Please wait is controlled by the file Logow.sys in the windows folder, Windows 98 is Logow.w98, ME does not use this file. The shut down screen is controlled by the file Logos.sys also in the Windows folder.
Customizing the logo screen file must be 320 x 400 in size and 256 in color; RGB encoded bmp file.

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