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Ensure the drivers are up to date.
Do some web searches of your computer make/model and/or Wi-Fi chipset, plus the text wireless problems (or equivalent) to see if anyone else is having a problem.
And/or take the device to a campus IST Service Desk.
If you are using a single band (2.GHz only) laptop or smart phone, next time you upgrade be sure to get dual band (2.4GHz and 5GHz)!
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