Fastboot: Starting Fastboot protocol support. then nothing happens.
fastboot devices
1234567890 fastboot
This means you are in fastboot. try running 'fastboot devices' on the computer the xoom is connected to, to see if your device is listed
you should see something like below if your xoom is communicating over the fastboot protocol correctly
Code:fastboot devices 1234567890 fastboot
My xoom is doing all the same things, except I have no recovery. Flashing it through fastboot suceeds but has no effect. Recovery is required to use an update.zip right?
Fastboot: Starting Fastboot protocol support. then nothing happens.
fastboot devices
1234567890 fastboot