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Procesador Core Duo de 1.83, 2 o 2.16 GHz

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Why does my computer have intermittent and weak wireless connection?

My computer has intermittent and weak wifi connection with any number of networks. My computer can show full bars, go to no connection back up to 2 or 3 bars and repeat, all in the course of 5 minutes or 3 hours while sitting in the same place, on any number of networks. Occasionally I will have connection but report a self assigned IP or no IP address at all. I can be in the other room or 2 feet from the router and get the same results. Running network diagnostics most often shows that the connection fails at the ISP level onward. When running diagnostic does fix whatever is going on, any network changes it notifies me of are not noticeable anywhere. Connecting to any given network via ethernet cable renders no problems at all.

I wanted to know if there is a definitive way to check the functionality of the different components involved (ie. antenna, airport, connections, etc...) or see if it's a software issue. I'd like to avoid a situation where I buy a new airport card only to find out it wasn't bad in the first place. If you have the answer already, that's cool too.

Supplementary information:

  • MBP Purchased mid 2006
  • 1yo replaced logic board
  • Original airport card
  • 1yo HD upgrade
  • Screen hinges have been tightened several times in the past year.

Thanks in advance for the help. Sorry if there are any red hearings here.

Contestado! Ver respuesta Yo también tengo este problema

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This is happening to my MBP too. What did you find out?

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I have found that many are experiencing this, including myself.

At least one person replaced the wireless card and the problem was solved. I'm going to try the same, but uprgade to 802.11n at the same time (and a bigger HD).

Update: Success. A new wireless card (albeit from 2006) and my wireless issues are solved.

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I would take a multimeter and test the connections. It's either a loose connection or a failing card. Odds are 50-50 since it's been into so many times.

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Thanks for the advice. Now to get my hands on a Multimeter. I'll let you know how it turns out.

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Brion Wolf estará eternamente agradecido.
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