How to Fix ‘Default Gateway is Not Available’ Error on PC – Guide
A default gateway is a router or network node in the computer networking system that behaves as a forwarding hop to the other networking system when no next hop IP address is specified in the routing table to forward a data packet to the target host. Thus, the default gateway acts as an access point to other networks when one network wants to communicate with another network or send data packets. This also includes changing the IP addressing and subnet mask of the system and network topologies. In general, each of the network components in any network maintains a routing table, which indicates on which port or interface communication will take place, which rules to follow, and which route will be followed to deliver specific data packets to the network. If in any instance of the node the IP packet does not find the appropriate set of rules and route to follow to deliver the packet to the destination address, it chooses the default gateway for further routing process. Thus, the default gateway is divided by a set of specific settings known as the default route. In small offices or home networks, the router that connects the LAN network to the Internet behaves as a default gateway for all components of the network.
Fix ‘Default Gateway is not available’ error on PC
Change the channel of your wireless router
Gateway issues can sometimes occur due to your wireless channel and dual-band wireless adapters. To fix this issue, you need to access your wireless router and change the channel from auto to a specific value. Users reported that setting the channel to 6 fixed the issue for them, but try other channels as well. For detailed instructions on how to change the wireless channel, we recommend reading your wireless router manual. In addition to changing the channel, some users are also advising to change the encryption method. Users reported that using WPA-WPA2 encryption fixed the issue for them. If that doesn’t work, try switching to other encryption methods. Keep in mind that some encryption methods are outdated and do not provide the necessary protection.
Install a new Ethernet driver
Change power management settings for your network adapter
Update drivers automatically
It is important to mention that downloading drivers manually is a risky decision. You can permanently damage your system by manually downloading the wrong driver versions. Thus, we recommend using a 100% safe third-party driver update tool to automatically download all outdated drivers on your PC. Several errors are the result of a faulty driver. When this is the case, you may need to completely update or reinstall that particular component. As the process is not simple to complete, we recommend using an automated tool for the job. Here it is how to Knife:
Change your wireless adapter’s power saving mode
Change the frequency of your wireless router
Newer routers support the 5GHz frequency, but your current adapter might not work at that frequency, so you’ll have to change it to 2.4GHz. Users reported that after changing the wireless frequency from 5GHz to 2.4GHz, the gateway issues were resolved.
Change wireless mode to 802.11g
Final note
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