Access the web-based setup page of the range extender. Under the Management sub-tab, click the Backup Configurations button then click Save Settings. For how to reset Linksys re6300, there are two ways to reset the range extender to factory default settings. Pressing the Reset button on the device. The location of your range extender's reset button will vary depending on its model. Press and hold the range extender's Reset button for 8 seconds. Powercycle the device to complete the reset process. If you are Resetting through the web-based setup page. You can troubleshoot Linksys router also if you face any issues. Continuing with that, launch a web browser and access the web-based setup page of your Linksys range extender. For instructions, click here. Under Administration select Factory Defaults.