Popular WiFi range extenders like the Linksys RE6700 can increase your WiFi signal power and availability. You can take a few steps to assure a successful installation if you've bought this gadget and wish to set it up manually.

As a first step, ensure that your existing WiFi network is functioning properly and that you have the name of the network as well as the password of the network handy. You will need to switch on your Linksys RE6700 by plugging it into an electrical outlet and turning it on. Watch for the power icon on the device light to turn on and stay steady. Connect to the Linksys RE6700's default WiFi network using a computer or mobile device. The device label contains the network name and password. 

Once you're connected, open a web browser and go to the extender's default IP address, which is often 192.168.1.1. You will be asked to provide the device's default login information. These are listed on the gadget's label or in the user booklet. You can start the Linksys RE6700 setup procedure after logging in by following the on-screen directions.