Has it ever worked??

It sounds like the mk4 has a corrupted OS and is now dead (has it had some water damage??)

We need a bit more info as to how it happened.

It could be a mono mk4 put in to replace a colour one.

It could be corrupted OS.

It could just be dead.

P.S welcome to the forum.

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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.