How do I flush the DNS or recyle my computer’s connection to the Internet?
June 15, 2018
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How do I flush the DNS or recyle my computer’s connection to the Internet?
Windows 8 to 10
- Navigate to the desktop. (From Home, tap or click the Desktop tile).
- Right-click the Start button (the Windows logo in the lower-left).
- Choose Command Prompt (Admin).
- 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.
- Type “ipconfig /flushdns” and press Enter.
- Type “ipconfig /registerdns” and press Enter.
- Type “ipconfig /release” and press Enter.
- Type “ipconfig /renew” and press Enter.
- Type “netsh winsock reset” and press Enter.
- Restart the computer.
Windows 7
- Click Start > All Programs > Accessories.
- Right-click Command Prompt and choose Run as administrator.
- 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.
- Type “ipconfig /flushdns” and press Enter.
- Type “ipconfig /registerdns” and press Enter.
- Type “ipconfig /release” and press Enter.
- Type “ipconfig /renew” and press Enter.
- Type “netsh winsock reset” and press Enter.
- Restart the computer.
XP and Vista
- Close all browser windows.
- Click Start > All Programs > Accessories > Comma
nd Prompt. - Type the following at the command prompt: ipconfig /flushdns
- 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
- Close all browser windows.
- Click Applications > Utilities > Terminal.
- 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
- Press Enter again and the DNS cache should be flushed.
Android (version 12)
Android does not offer a way to clear the system’s DNS cache within the UI. However, you are able to flush the DNS cache using a browser, such as Chrome:
Flush DNS cache
- Open Chrome.
- In the URL bar type in chrome://net-internals/#dns:
- In the left pane select DNS.
- In the right pane tap the Clear host cache button.
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:
- Turn off your computer.
- Turn off your modem and router (if you have one), then wait for about 15 seconds.
- Plug in your modem, then wait for 1-2 minutes.
- Plug in your router (if you have one), then wait for 1-2 minutes.
- Turn on your computer.