QUOTE
GREEN/RED Flashing:
Probably a bad chip or bad image.
SOLID GREEN/No EJECT/No AUDIO/No VIDEO:
Probably a bad solder point. Check all your points again.
It could also be a heat problem , make sure your fan is connected and don't put your xbox near heat sources. You can also try to open the top of the xbox and check if it goes better.
SOLID GREEN/No AUDIO/No VIDEO:
This is probably a problems with your audio settings. Try to boot your xbox with a standard a/v pack instead of a HD pack.
ORANGE/GREEN Flashing:
No AUDIO/VIDEO (A/V) pack.
This may also be down to a solder splash on the board or a damaged track.
ORANGE Flashing:
This may also be down to a solder splash on the board or a damaged track. May also be due overheating.
GREEN for half a sec then RED Flashing:
Bad/Corrupted or Empty Eeprom.
SOLID RED:
System overheated , hardware failure , ...
FLASHING RED:
Dead, broken or empty eeprom.
one, did you make sure the fan is plugged back in, Heat issues. Two, did you solder the chip in? did you check for a lifted trace etc...