Edimax Technology AR-7266WNA - Manual (Page 110)

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5.4.7. Reboot
Whenever you use the Web configuration to change system settings, the
changes are initially placed in temporary storage. To save your change for future
use, you have to click “Commit and Reboot” to reboot the router. If you have
encountered some problems during the configurations, You can click the “Reset”
button in the rear panel of the router over 10 seconds to reset default settings.