There are several reasons why you should correctly set up your Macard Extender. Read the following explanations or causes for why the gadget isn't working properly because of the increased gap or distance between the extender and the router equipment. The Macard WiFi range extender's firmware is obsolete. When your extender and router move closer to metal or electronic items. Unused WiFi devices connect to the Macard Extender. Identify each wired and cable connection. The Macard extender gadget overheats due to its continuous use 24 hours a day, seven days a week. Simply stop the equipment and let it cool down. Here's the Macard Cryo360 extender setup.