My wifi

You're the guy someone in another country was waiting for to start a chat so he could reboot your modem.  (Don't ever actually do that).  You could have just unplugged it, waited a bit (30 seconds is generally recommended) and then plugged it back in.  As for resetting your equipment, if you were using a Cox website, your equipment is fine.  A Cox online modem reset performs a reboot and doesn't reset to factory settings.  That requires pressing and holding the reset button, usually found on the back of the modem.