Macbook internet suddenly stopped working a week ago?

My Macbook's internet has been working absolutely fine (sometimes it disconnects after sleeping, but reconnects quickly) for the past month. Recently, about 2 weeks ago the internet stopped working. My Macbook can definitely see wireless networks, and when I type in the network key it says I'm connected for a bit, with the wireless logo on the top right of the screen with all 4 bars full, but I just don't have any internet. Skype, Safari etc won't work, because clearly no internet is coming in... I have no idea what is wrong!? My internet is definitely working (I have a netgear wireless router) because it works on my desktop. I think the internet stopped working on my mac around the time when someone tweaked the settings on my router. But surely my macbook will automatically update these when I connect to my network? Please help!?

Is your desktop a windows machine? What happens if you turn it off? I had trouble today with my apple products connecting to the internet through my wireless router, but when I turned off my windows laptop, and rebooted all routers & apple products, they work flawlessly now. I haven't turned the windows laptop back on again for fear it will "break" everything again. I'm wondering if I'm the only one, or if it's a windows thing.

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Hello Kimbo1991,
It sounds like your phone is not successfully booting even though you have reset the device. I would next recommend attempting a backup and restore to iTunes with this article:
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hi

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