The "default gateway is not available" error typically indicates a problem with your network connection. Here are some steps to troubleshoot and resolve this issue:


  1. Restart Your Router and Modem:
    1. Turn off your router and modem, wait for about 30 seconds, and then turn them back on.


  2. Restart Your Computer:
    1. Sometimes a simple restart can resolve network issues.


  3. Update Network Adapter Drivers:
    1. Go to Device Manager (press Win + X and select Device Manager).
    2. Expand the "Network adapters" section.
    3. Right-click on your network adapter and select "Update driver".
    4. Choose "Search automatically for updated driver software".


  4. Reset TCP/IP Stack:
    1. Open Command Prompt as an administrator.
    2. Run the following commands one by one.


  5. Change Power Management Settings:
    1. Go to Device Manager.
    2. Right-click on your network adapter and select "Properties".
    3. Go to the "Power Management" tab.
    4. Uncheck "Allow the computer to turn off this device to save power".


  6. Assign a Static IP Address:
    1. Go to Control Panel > Network and Sharing Center > Change adapter settings.
    2. Right-click on your network connection and select "Properties".
    3. Select "Internet Protocol Version 4 (TCP/IPv4)" and click "Properties".
    4. Choose "Use the following IP address" and enter a static IP address, subnet mask, and default gateway.


  7. Disable and Re-enable Network Adapter:
    1. Go to Device Manager.
    2. Right-click on your network adapter and select "Disable device".
    3. Wait a few seconds, then right-click again and select "Enable device".

If these steps do not resolve the issue, please provide more details about your network setup and any error messages you might be seeing.

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