How to Renew IP & Flush DNS Cache Print

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Windows 8 & 10

While on the desktop, press Windows Key + X.
Select Command Prompt (Run as Administrator).
Type ipconfig /release in the command prompt.
Wait a few seconds for a reply that the IP address has been released.
Type ipconfig /renew in the command prompt.
Wait a few seconds for a reply that the IP address has been re-established.
Type ipconfig /flushdns in the command prompt.
Close the command prompt and attempt to make a connection.

Mac

Open the Network Status menu: Apple menu > System Preferences > Network.
Select the active connection from the Network Status menu and click Advanced.
Click Renew DHCP Lease. This process may take a few minutes.
Close the Network window.
To flush the DNS cache, open the Terminal. (Go > Utilities > Terminal).
For OS X 10.10.4 Yosemite, type in the following: sudo killall -HUP mDNSResponder
For OS X 10.10 Yosemite–OS X 10.10.3 Yosemite, type in the following: sudo discoveryutil mdnsflushcache
For OS X 10.9 Mavericks and OS X 10.8 Mountain Lion, type in the following: sudo killall -HUP mDNSResponder
Reattempt the connection.

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