1116 TroubleshootingThis chapter provides solutions for issues you may encounter withyour router. If you encounter problems that are not mentionedin this chapter, visit the ASUS support site at: http://support.asus.com/ for more product information and contact details of ASUSTechnical Support.6.1 Basic TroubleshootingIf you are having problems with your router, try these basic stepsin this section before looking for further solutions.Upgrade Firmware to the latest version.1. Launch the Web GUI. Go to Advanced Settings >Administration > Firmware Upgrade tab. Click Check toverify if the latest firmware is available.2. If the latest firmware is available, visit the ASUS globalwebsite at http://www.asus.com/Networks/Wireless_Routers/4GAC55U/#download to download the latestfirmware.3. From the Firmware Upgrade page, click Browse to locate thefirmware file.4. Click Upload to upgrade the firmware.Restart your network in the following sequence:1. Turn off the modem.2. Unplug the modem.3. Turn off the router and computers.4. Plug in the modem.5. Turn on the modem and then wait for 2 minutes.6. Turn on the router and then wait for 2 minutes.7. Turn on computers.