Please follow the steps below:
1) Re-power the device if cannot find the unit within 1 minutes.
2) Do not connect ICA-8500 / ICA-W8500 over a router. IPInstaller program cannot detect device over a router.
3) If IP address is not assigned to the PC running IPInstaller program, then IPInstaller program cannot find device. Make sure that IP address is assigned to the PC properly.
4) Antivirus software on the PC might interfere with the setup program. Disable the firewall of the antivirus software during setting up this ICA-8500 / ICA-W8500.
5) Check the firewall setting of your PC or Notebook.