Apple 24-inch mid 2007 manual IMac 24-inch Mid 2007 Take Apart Front Bezel

4.With the upper corners loosened, lift up—but do not remove—the bezel.

5.Notice the connected microphone cable at the top of the bezel. Without straining the cable, hold the bezel up, and disconnect the microphone cable from the cable extension.

iMac (24-inch Mid 2007) Take Apart — Front Bezel  45