A few things here, on an o2 using the standard svga out, you don't need to worry about Synce On Green. There may be a possibility the Console (in the PROM) output is set to 'd' and 'g' meaning that it will not display anything until it passes diag.
You may need a serial cable.
You may need a serial cable.
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Hey Ho! Pip & Dandy!
Hey Ho! Pip & Dandy!