The installation problems with the Linksys RE6500 extender can be resolved in a number of ways. Take each of the advice listed below into consideration. 

Get the newest software: You must visit the Linksys web management page in order to download the most recent version of the software file. Visit that page, then select the software upgrade option by tapping on the network advanced option. Install the file now on your WiFi device and the method is finished by restarting the Linksys extender. 

Linksys Extender Reset: The reset button is located at the bottom or left side of the extender’s panel. Insert the hair clip into that button to activate it. The Linksys extender LEDs will all be off at this point. As a result, all off LEDs indicate that the device has now been completely reset. You must repeat the Linksys RE6500 setup procedure after resetting the Linksys extender.