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How to Increase an iMac's Wireless Range

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All iMacs include an Airport card for wireless networking.

All Apple iMac desktop computers come with a built-in wireless networking card, referred to as an Airport card. You can use an Apple Airport wireless router to set up a local network in your home or office and share a single Internet connection among multiple computers. If your iMac computer is registering a low Airport signal or no signal at all, there are several steps you can take to improve the signal and increase the wireless card's range.

Things You'll Need

  • iMac with the OS X 10.5 or later operating system
  • Airport wireless router
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Instructions

  1. Quick Solutions

    • 1

      Clear away any large objects surrounding your Airport wireless router to limit interference with the wireless signal and increase the wireless range.

    • 2

      Move your Airport router to different locations in your home or office to improve the wireless signal, if Step 1 doesn't solve the problem.

    • 3

      Disable or turn off other wireless devices that could be causing interference, such as cordless phones, Bluetooth devices or other routers.

    Advanced Airport Configuration

    • 4

      Navigate to the "Utilities" folder on your iMac and double-click on the "Airport Utility" icon. A window will open, and your iMac will begin scanning for nearby wireless routers.

    • 5

      Double-click on your Airport wireless router from the list located on the left side of the window.

    • 6

      Go to the "Airport" tab at the top of the window.

    • 7

      Open the drop-down menu next to "Channel" and choose a different number from the one currently set, which can reduce interference with other devices and improve your iMac's wireless range.

    • 8

      Go to the "Wireless Options" at the top of the window.

    • 9

      Choose "100%" from the "Transmit Power" drop-down menu. This setting will ensure that your iMac and Airport router are using the full extent of their wireless range.

    • 10

      Press the "Update" button to save the changes to your wireless configuration.

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References

  • Photo Credit wired mac mouse image by patrimonio designs from Fotolia.com

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