My Windows 7 has lost its internet connection


  1. mobile1
    Posts : 11
    64-Bit Windows 7 Pro
       New #1

    My Windows 7 has lost its internet connection


    My Windows 7 desktop PC has lost its internet connection. It is connected over wi-fi.

    I tried doing this in CMD:

    ipconfig /flushdns
    ipconfig /registerdns
    ipconfig /release
    ipconfig /renew
    NETSH winsock reset catalog
    NETSH int ipv4 reset reset.log
    NETSH int ipv6 reset reset.log


    This did not work.

    I also get an error dialog on startup that says:
    The program can't start because DNSAPI.DLL is missing...

    Yet dnsapi.dll is in the Windows/System32 folder.

    Is there any software that can fix this?


    Can anyone suggest ways to restore the connection?


    Thank you for your help.
    Last edited by mobile1; 03 Oct 2015 at 08:48.
      My Computer
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  3. UsernameIssues
    Posts : 10,485
    W7 Pro SP1 64bit
       New #2

    Try these steps:
    SFC /SCANNOW Command - System File Checker
      My Computer
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  4. mobile1
    Posts : 11
    64-Bit Windows 7 Pro
    Thread Starter
       New #3

    UsernameIssues said:
    Try these steps:
    SFC /SCANNOW Command - System File Checker
    Tried it. No luck.

    I changed from wireless to an ethernet wire.

    I cannot ping my router.
      My Computer
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  6. UsernameIssues
    Posts : 10,485
    W7 Pro SP1 64bit
       New #4

    When do you get the error that DNSAPI.DLL is missing?

    Please answer what you can from this post:
    Basic Requirements Before Posting your Networking Thread
      My Computer
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