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Fujitsu T4220 Tablets
There is a physical switch on the left-hand side of the Fujitsu T4220 Tablets that allows you to
turn on and off the wireless card. Because it is a physical switch, there is a chance that the position
could change while in a carrying case. If your wireless is not working the way you intended it to,
check to make sure this switch is in the correct position.
When slid towards the back of the laptop (to the left in this picture), the wireless will be on. When slid towards the front of the laptop (to the right in this picture), the wireless will be off.