Have you ever experienced the default gateway is not available issue?
Therefore, read this article to find the solutions to fix it.
you’re able to find these methods fromMiniTool.

This problem is often brought on by McAfees product or outdated web link adapter drivers.
And it will prevent you from accessing the Internet or make your Internet connection drop often.
So how to fix the default gateway is not available error?

I will introduce some feasible methods to you below.
If this method doesnt work, then you better try the next ones.
Therefore, you should probably update the web link adapter driver.

Here is the tutorial:
Step 1: PressWin+Xkey at the same time, then chooseDevice Managerto continue.
And the way to change the internet adapter driver is below.
Step 2: ClickLet me pick from a list of available drivers on my computerto continue.

Step 3: UncheckShow compatible hardwareat first, then clickInter Corporation.
Then choose a connection adapter driver different from what you have now.
Then follow the instructions on the screen to change the web link adapter driver.

If this method still doesnt work, you better try the following methods.
Confirm your action and then reboot your PC.
Step 1: Find the connection adapter driver you are using, then right-click it to chooseProperties.

Step 2: ChoosePower Managementand then uncheckAllow the computer to turn off this equipment to save power.
in case you find the default gateway is not available error, try these methods mentioned above.