Is there a way to switch the wireless radio on? I cannot find a button and have tried to activate this by pressing FN + F5 but to no avail.
The wireless radio switch is located on the right side of your laptop.
The green indicator shows that the wireless radio has been switched on.
This information can be found in T420 user guide, page 5.
Should you have any questions about how to use your products, please visit our support site (support.lenovo.com) to find user guide for your future products.
Lenovo is committed to environmental leadership from operations to product design and recycling solutions.