Frequently Asked Questions

3Drag the tcp/ip preferences file to the Trash.

4Close all open windows and empty the Trash.

5Restart your computer.

6As your computer starts, simultaneously press and hold down the Command (Apple), Option, P, and R keys on your keyboard. Keeping those keys pressed down, power on your Macintosh but do not release these keys until you hear the Apple chime at least three times; then, release the keys and let the computer restart.

7When your computer fully reboots, click the Apple icon in the upper-left corner of the Finder. Scroll down to Control Panels, and then click TCP/IP.

8Click Edit on the Finder at the top of the screen. Scroll down to the bottom of the menu, and then click User Mode.

9Click Advanced in the User Mode window, and then click OK.

10Click the Up/Down selector arrows located to the right of the Connect Via section of the TCP/IP window, and then click Using DHCP Server.

11Click Options in the TCP/IP window, and then click Active in the TCP/IP Options window.

Note: In some cases, the Load only when needed option does not appear. If it appears, select the option. A check mark appears in the option.

12Verify that the Use 802.3 option located in the upper-right corner of the TCP/IP window is not selected. If there is a check mark in the option, select the option to clear the check mark, and then click Info in the lower-left corner.

13Is there a Hardware Address listed in this window?

„If yes, click OK. To close the TCP/IP Control Panel window, click File, and then scroll down to click Close.

„If no, repeat these instructions from step 6.

14Reboot your computer.

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Cisco Systems DPQ2202 important safety instructions Frequently Asked Questions