Xbox 360 Boot Disk V2.4 [extra Quality] -

You can’t just drag and drop an ISO. The Xbox 360 uses a specific file system (Xbox File System). You need to use on the slowest speed possible (2.4x or 4x) using a DVD-R (not DVD+R).

The game should now bypass the wave check and boot directly from the dashboard. Modern Alternatives Xbox 360 boot disk v2.4

The Xbox 360 Boot Disk v2.4 offers several features: You can’t just drag and drop an ISO