Configuring the TCP/IP Protocol | 9 |
6Verify that the “Use 802.3” box is unchecked (circled in the following image). If there is a check mark in the box, click it to remove the check mark. Then click the Info button in the lower left corner.
7Ensure there is a Hardware Address listed in this window. If there is, click the OK button and close the “TCP/IP Control Panel” (click File and scroll down to click Close). If there is no Hardware Address, you must shut down and power off your computer. With the power off, simultaneously depress and hold down the Command (Apple), Option, P, and R keys on your keyboard. Keeping those keys depressed, power on the Macintosh computer. The machine will start and you will hear the Apple chime. Keep these keys depressed for up to 3 chimes, then release the keys and allow the computer to