How to Power Cycle a Modem BTech BTech Alerts & Notifications - Check this page for the latest information on emergencies and system outages. All times are Pacific. Network Support Training, 1000062324. Modem Information and Pictures, 1000062323. Network - Modems Overview Power Cycling process helps resolve minor connectivity or performance issues by rebooting the device and refreshing its network settings. Steps to Perform Only perform these steps when instructed. Performing these steps will take the Network Offline. Locate the Modem. Modem Models vary. Modems are provided by the Internet Service Provider (ISP). See the list of known modem, 1000062323. Locate the Power Cable on the back of the Modem. Disconnect the Power Cable for 30 seconds. Leave the Power Cable disconnected for at least 30 seconds. Connect the Power Cable.The Modem will take about 5-10 minutes to power on and come online.