Macbook WiFi card not working

macbook prowifi

I have a Macbook 1.83ghz.

I installed Snow Leopard and the WiFi crashed (?)

It was barely functioning before, but now all it can do is detect names of routers.

I haven't done anything as I don't know what to do.

How do i run a diagnostic before I have to buy a new WiFi card?

Best Answer

Lets do some information collecting then do some testing.

Click on the Apple (top left)

About this Mac

More Info

System Report

Now look for Network and WiFi

There you will see the information about your WiFi card and the status of the connections.

It looks like this: enter image description here

As next step I suggest to do some Diagnostics.

Than open the Network Diagnostics to test your WiFi connection.

Choose Apple menu > System Preferences, and then click Network.

Click “Assist me,” click Diagnostics, and then follow the onscreen instructions.

This test will tell you about your WiFi card and connections.

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