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This guide walks you through releasing, renewing, and flushing your DNS information, which is used to address networking issues. Select your operating system below.

Windows 10

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

Windows 8

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

Windows 7 and Windows Vista

1. Click Start.
2. Select Programs.
3. Select Accessories and locate the Command Prompt shortcut.
4. Right click the Command Prompt shortcut and select Run as Administrator from the drop down menu.
5. Type ipconfig /release in the command prompt.
6. Wait a few seconds for a reply that the IP address has been released.
7. Type ipconfig /renew in the command prompt.
8. Wait a few seconds for a reply that the IP address has been re-established.
9. Type ipconfig /flushdns in the command prompt.
10. Close the command prompt and attempt to make a connection.

Windows XP

1. Click Start, then select Run and type CMD in the Run box. A command prompt window should open on screen.
2. Type ipconfig /release in the command prompt.
3. Wait a few seconds for a reply that the IP address has been released.
4. Type ipconfig /renew in the command prompt.
5. Wait a few seconds for a reply that the IP address has been re-established.
6. Type ipconfig /flushdns in the command prompt.
7. Close the command prompt and attempt to make a connection.

Mac

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

Note: You will not get any feedback from Terminal if this is done correctly on any OS.

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