Sửa lỗi bắt Wifi lỗi hiện dấu chấm than(IP Release, Renew, and Flush DNS)
IP Release, Renew, and Flush DNS
Windows
Windows 8
- While on the desktop, press Windows Key + X.
- Select Command Prompt (Run as Administrator).
- 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:
- Click Start.
- Select Programs.
- Select Accessories and locate the Command Prompt shortcut.
- Right click the Command Prompt shortcut and select Run as Administrator from the drop down menu.
- Continue with the Windows XP directions (step 2) below.
Windows XP
- Click Start, then select Run and type CMD in the Run box. A command prompt window should open on screen.
- 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.
- 2In the command prompt window, type "ipconfig" and press enter. Don't include the quotation marks. This will show you your current IP address.
- 3In 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.
- 4In 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.
- 5Exit the Command Prompt by typing "exit" and pressing enter.
- 5Check 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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