Wi-Fi on the Nexus 9 doesn't work - you can do
Sequentially check the following solutions, to be able to have the Wi-Fi on your Nexus Tablet to use:
- Try to activate for a few seconds the flight mode. Then clear shortly, the Wi-Fi connection and after a short time back into the Wi-Fi network.
- You can also unplug the Router for about 30 seconds from the power. This often helps with connection problems.
- You change in the settings of your tablet and then go to "Wireless & networks" > "Wi-Fi". You can delete your entries, and then connect again with the network.
- There may also be a conflict with the frequency. Again, go to the "Wireless & network" > "Wi-Fi"settings and tap the menu Button. Here, select "Advanced" and change under "frequency band" settings on the 5 GHz or 2.4 GHz.
- The conflict with the frequency, however, can also come out from the Router. So change the frequency settings in your Router.

Wi-Fi on the Nexus 9 is not
Read also how you can on the Nexus 9 is a Screenshot of the create. This practical tip is based on Android 5.0.
