No IP address detection with AE.

Hi everyone,
I'm using Rogers cable internet service (canada), with a cable modem that detect automatically IP address through DHCP. Works fine with my MacBook (Mac OS X 10.4.7) when there's a direct connection from modem to laptop, but doesn't work when the modem is running through AirPort Express (6.3).
I selected cable modem with automatic DHCP detection... it seems happy during setup, but by the end, my AirPort Express is still blinking and I still can't access the internet wirelessly.
Is someone know what's going on and how do I fix it?
Thanks,
MrMajestyk

ower down the cable modem.
Wait 30 minutes (go and have a cup of tea or something).
Connect the cable modem to the ethernet port of the Airport Express.
Switch on the cable modem.
Switch on the Airport Express.
Wait five minutes.
Switch on the Mac.
Use the Airport Setup Assistant in the Utilities folder to configure the Airport Express.
iFelix

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