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How do I flush the DNS or recyle my computer’s connection to the Internet?

How do I flush the DNS or recyle my computer’s connection to the Internet?

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How do I flush the DNS or recyle my computer’s connection to the Internet?

Windows 8 and 8.1

  1. Navigate to the desktop. (From Home, tap or click the Desktop tile).
  2. Right-click the Start button (the Windows logo in the lower-left).
  3. Choose Command Prompt (Admin).
  4. When asked whether to allow Command Prompt to make changes to your computer, select Yes.

    Note: If you are asked for an administrative login, you will need to contact your system administrator.

  5. Type “ipconfig /flushdns” and press Enter.
  6. Type “ipconfig /registerdns” and press Enter.
  7. Type “ipconfig /release” and press Enter.
  8. Type “ipconfig /renew” and press Enter.
  9. Type “netsh winsock reset” and press Enter.
  10. Restart the computer.

Windows 7

  1. Click Start > All Programs > Accessories.
  2. Right-click Command Prompt and choose Run as administrator.
  3. When asked whether to allow Command Prompt to make changes to your computer, select Yes.

    Note: If you are asked for an administrative login, you will need to contact your system administrator.

  4. Type “ipconfig /flushdns” and press Enter.
  5. Type “ipconfig /registerdns” and press Enter.
  6. Type “ipconfig /release” and press Enter.
  7. Type “ipconfig /renew” and press Enter.
  8. Type “netsh winsock reset” and press Enter.
  9. Restart the computer.

XP and Vista

  1. Close all browser windows.
  2. Click Start > All Programs > Accessories > Command Prompt.
  3. Type the following at the command prompt: ipconfig /flushdns
  4. If the command was successful, you will see the message, “DNS Resolver Cache Successfully Flushed.”
    If you receive the message, “Action Requires Elevation”: Please contact the administrator of your computer to complete these steps.

Mac OS X

  1. Close all browser windows.
  2. Click Applications > Utilities > Terminal.
  3. In the Terminal window, type in the corresponding command for your Mac OS X version:
    • OS X 10.10 (Yosemite): sudo discoveryutil mdnsflushcache
    • OS X 10.7 – 10.9 (Mavericks, Mountain Lion, and Lion): sudo killall -HUP mDNSResponder
    • OS X 10.6 and older: sudo dscacheutil -flushcache
  4. Press Enter again and the DNS cache should be flushed.

Additional Steps

If the steps above do not resolve the issue, and you are on a home network, you may need to run a power cycle:

  1. Turn off your computer.
  2. Turn off your modem and router (if you have one), then wait for about 15 seconds.
  3. Plug in your modem, then wait for 1-2 minutes.
  4. Plug in your router (if you have one), then wait for 1-2 minutes.
  5. Turn on your computer.
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