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Check any cables and reboot any routers, modems or other network devices you may be using.

Contact your network administrator if you're not sure what this means.

Go to the Chrome menu > Settings > + Show advanced settings and deselect "Use a prediction service to load pages more quickly". If this does not resolve the issue, we recommend selecting this option again for improved performance.

If it is already listed as a program allowed to access the network, try removing it from the list and adding it again.

Check your proxy settings or contact your network administrator to make sure that the proxy server is working. If you don't believe you should be using a proxy server: Go to Applications > System Preferences > Network > Advanced > Proxies and deselect any proxies that have been selected.