Unified Security Gateway User's Guide
Chapter 50 Troubleshooting
ZyWALL USG 1000 User’s Guide
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If you want to reboot the device without changing the current configuration, see Chapter 49 on
page 649.
1 Make sure the SYS LED is on and not blinking.
2 Press the RESET button and hold it until the SYS LED begins to blink. (This usually
takes about five seconds.)
3 Release the RESET button, and wait for the ZyWALL to restart.
You should be able to access the ZyWALL using the default settings.