Flip The Wi-Fi Switch:

Many laptops have a physical switch or button that you can flip/press to enable or disable the laptopís wireless adapter. This is handy if youíre about to board a plane and want to quickly turn off the laptopís Wi-Fi settings or if you donít need Wi-Fi at the moment and want to conserve battery power. However, itís easy to forget that you turned the adapter off. If youíre having trouble getting a Wi-Fi connection check that switch on your laptop.

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