Laptop cannot connect saved Wi-Fi SSID


  1. Posts : 27
    Windows 10 Enterprise x64
       #1

    Laptop cannot connect saved Wi-Fi SSID


    Hi all, my laptop sometimes cannot connect my saved SSID automatically when boot into Windows, is there any way that forced it to connect that Wi-Fi network?

    Laptop cannot connect saved Wi-Fi SSID-untitled.jpg
    Laptop cannot connect saved Wi-Fi SSID-winver.jpg
      My Computer


  2. Posts : 295
    Windows 10 Pro
       #2
      My Computer


  3. Posts : 1,767
    Windows 10 Pro (+ Windows 10 Home VMs for testing)
       #3

    I agree with @F22 Simpilot - the most likely reason is a corrupted registry entry, most likely the wireless profile linked to your saved but faulty connection.

    I would remove and redo the wifi connection too.

    Just be aware that this may not always work to restore automatic reconnection because the built-in tool in Settings to 'Forget' a wifi network only appears to delete the wireless profile in the registry... and the profile is just one of four different areas I'm aware of where wifi network connection is stored in the registry, e.g:

    1. Service Set Identifiers (SSIDs):
    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\NetworkList\Profiles
    (This stores the SSIDs of the wireless access points that have been connected to and appears to be the most usual location for corrupted entries.)

    2. Network Interface Cards (NICs):
    HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\Adapters
    (This stores a GUID and linked IP config info for each of the NICs - ethernet, wireless, bluetooth, NFC, loopbacks, etc.)

    3. Signatures > Unmanaged:
    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\NetworkList\Signatures\Unmanaged
    (This stores the description and MAC address of access points that have been connected to, e.g. your router.)

    4. TCPIP > Parameters > Interfaces:
    HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\Interfaces\
    (This stores the DHCP info, e.g. IP address/subnet mask/name/servername - and DNS info, i.e. primary/secondary IP addresses.)

    Whilst it's usually the first location - 1. Service Set Identifiers (SSIDs) above - that can become corrupt, all 4 network areas have to work together seamlessly for reconnection to work successfully and provide internet connectivity automatically.

    Hope this helps...
      My Computer


 

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