Hi Tony,

Don't know what you have done wrong mate, but it sounds like the disc is corrupted somehow, there is no way to "reboot" the system per-say, you will need to update the OS with a known goo version of OS.

Try using a v29 or v30 (as a mode2, just in case).

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Sept 03, M3, Silver Grey. Retro-fits: Modded Mk4 DVD Drive, OEM Bluetooth, VR Control, Rainbow Speaker Upgrade, Sony SOT Amp, HK Sub, CCFL, Intravee II, NightMode.