Graphite iMac Stuck in Target Mode

I ran into a problem today where a graphite iMac was stuck in target mode. Resetting the PRAM did nothing, doing the normal NetBoot shortcut (holding down ‘N’ at startup) did nothing, so I was stuck – for a moment.

To fix this problem, I booted into Open Firmware (using Command+Option+O+F). Then entering these commands allowed the machine to boot from the network:

setenv boot-device enet:

Of course, substitute “” for your NetBoot server – if you’ve got one. Thanks to Mike Bombich’s Netbooting Across Subnets page for the help.

Leave a Comment