Installed HD in iMac - "Select a destination" HD missing?

Hey ifixit

Bought your 2 TB HD for my iMac (EMC 2133) because original HD had crashed. Followed your guide for replacing HD without problems.

Now starting the iMac from disk I come to the "Select a Destination" window but no HD shows up in the list. So I'm stuch here.

Tried the disk utility and the HD does show, but I can't verify or repair it. Seems that nothing can be done with it. No participation showed.

Also tried a trick I read in another threat on apple.com to go into Terminal and type "df -k" a couple of times. No luck.

What do I do?