Wifi problem: signal keeps going on and off and on and off.

For some reason the wifi indicator keeps changing from max strength to flat out no connection, max strength again, no connection, max strength, no connection... it keeps flipping back and forth. Not sure why this is happening because my other macs in the house (G5 and macbook pro) are showing a steady wifi signal.. so there is nothing wrong with my wifi router.
Any ideas how I can fix this?

Some steps to try:
1. Turn Airport off and back on, see if that stabilizes it. Or restart and see if it persists.
2. Create a new location in System Prefs->Network, and see if it still happens.
3. Unplug and replug your modem and router (let them sit for ten seconds) to reset them, just to be sure.
4. Go to a wireless hotspot--local coffee shop or library or something--and see if it happens.
If after all that, you're still seeing the issue on multiple networks and multiple set-ups with your machine, then it may be your card and it's worth a call to AppleCare or a visit to the Genius Bar.

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Great question Jr1984.
Here's a great link to help measure data: http://bit.ly/S4u1aC
The device would not allow you to go above the plan. Here's a link all about our prepaid plans: http://vz.to/18AxdY7
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Followus on Twitter @VZWSupport

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Thanks for using Apple Support Communities.
For more information, take a look at:
iOS: Troubleshooting Wi-Fi networks and connections
http://support.apple.com/kb/ts1398
Unable to connect to a Wi-Fi network
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Reset network settings by tapping Settings > General > Reset > Reset Network Settings. Note: This will reset all network settings including:
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Restore as new in itunes and try again.

Wifi problem: signal keeps going on and off and on and off.

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