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Try:
- Checking the connection
- Checking the proxy and the firewall
- Running Windows Network Diagnostics
ERR_CONNECTION_TIMED_OUT
Check your Internet connection
Check any cables and reboot any routers, modems, or other network
devices you may be using.
Allow Chrome to access the network in your firewall or antivirus
settings.
If it is already listed as a program allowed to access the network, try
removing it from the list and adding it again.
If you use a proxy server…
Check your proxy settings or contact your network administrator to
make sure the proxy server is working. If you don't believe you should
be using a proxy server:
Go to
the Chrome menu >
Settings
>
Show advanced settings…
>
Change proxy settings…
>
LAN Settings
and deselect "Use a proxy server for your LAN".
