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Sửa lỗi bắt Wifi lỗi hiện dấu chấm than(IP Release, Renew, and Flush DNS)

IP Release, Renew, and Flush DNS

Windows

Windows 8

  1. While on the desktop, press Windows Key + X.
  2. Select Command Prompt (Run as Administrator).
  3. Type ipconfig /flushdns and press Enter.

Windows Vista/ Windows 7

Windows Vista requires that you run the command prompt in Administrator Mode to perform these functions. To start the command prompt in administrator mode:
  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. Continue with the Windows XP directions (step 2) below.

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.
  1. Refresh Your IP Address on a Windows Computer Step 2 Version 2.jpg
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    In the command prompt window, type "ipconfig" and press enter. Don't include the quotation marks. This will show you your current IP address.
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    In the command prompt window, type "ipconfig /release" and press enter.Again, don't include the quotations. Make sure you have a space between ipconfig and the forward slash.
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    In the command prompt window, type "ipconfig /renew" and press enter. You should now have a new IP address. To check it, you can type "ipconfig" again and press enter.
  4. Refresh Your IP Address on a Windows Computer Step 5 Version 2.jpg
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    Exit the Command Prompt by typing "exit" and pressing enter.
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    Check that your IP address has actually changed before presuming it has.Don't be surprised if this method fails to work that well; many networks will retain the same IP.

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