How to Fix DHCP Lookup Failed in Chromebook?

Are you facing problems while connecting your Chromebook to the internet? Don’t worry, we are here to help you out. Your Chromebook may display a “DHCP lookup failed” error message when you try to connect it to a network. Usually, the DHCP error occurs due to an outdated OS, corrupt firmware of the router error, improper connection, etc. 

Many people encounter the DHCP lookup failed Chromebook error while establishing the connection to a new network. Whenever you experience such an issue, it is important to apply proper troubleshooting methods to fix it. Here, in this article, we have mentioned proper methods that can answer how to fix the DHCP lookup failed error on Chromebook.

What does DHCP Lookup Failed Mean?

Dynamic Hosting Configuration Protocol or DHCP is a security protocol that automatically assigns IP addresses to devices connected to your network. It allows you to reboot your laptop, desktop computer, and another connected device. Also, you can assign these devices an IP address that you may need to use the network. You don’t have to manually add the IP address. 

But when you get the DHCP lookup failed error on your device, it is important to know what exactly it means. The error DHCP Lookup Failed indicates that your computer or Chromebook is unable to get an IP Address from the DHCP server. If anyhow your device fails to get an IP Address, it fails to access the internet. So, every time when you get the DHCP Lookup Error, it is important to fix it. 

What Causes DHCP to Fail in Chromebook?

There are several reasons why you can experience a DHCP lookup failed error on your Chromebook. Some of them are:

  • Wi-Fi extenders: Sometimes, the WiFi extender or router itself fails to connect with the Chromebooks due to any internal defects.
  • Modem/Router Settings: Improper router or Modem setting is also responsible for the connectivity issues and thus causes DHCP Lookup failed error.
  • Outdated Chrome OS Version: If the version of the Chrome operating system installed is outdated, you may face problems while connecting it to the router.
  • VPN: VPN masks your IP address and cause issue while connecting Chromebook to the router.

How Do I Fix the DHCP on my Router?

Now, we have mentioned the easiest and quickest methods to fix the DHCP Lookup Failed error in Chromebook. Just apply these methods one by one to get the issue resolved: 

Method 01: Update Chrome OS

As mentioned, the outdated Chrome OS is the main cause of the DHCP failed error message. In such cases, you can update your Chrome OS to fix the errors. Updating the operating system in tune with the latest software can help you to fix many minor or major issues. All you have to do is follow the below-mentioned steps to upgrade the firmware:

  • Firstly, open the Notification menu. For this, click the Time icon located at the bottom-right corner.
  • Now, tap the gear-shaped icon to open Chromebook Settings.
  • Choose the “About Chrome OS” option appearing on the left navigation pane.
  • At last, click the “Check for updates” button.

If any update is available, download it to your system. Then restart your system and check if the issue is fixed. If the Chromebook DHCP lookup failed unifi error keeps occurring, move to the next method. 

Method 02: Restart Chromebook and router

Restarting devices can also help you to fix many minor errors. In this method, we will guide you to restart both, the router and Chromebook to fix this issue. For this:

  • First, shut down your Chromebook.
  • Also, turn off the modem/router and remove all the wires attached to the power supply.
  • Wait for a few seconds and then reconnect it to the power source.
  • After that, wait till the lights on the modem/router stabilize.
  • Now, switch ON the Chromebook and connect it to the Wi-Fi network.

Once you are done with the above steps, verify if the DHCP lookup failed error in the Chromebook is fixed. If not, try the next solution.

Method 03: Increase DHCP range of Network Address

Many users found that increasing the DHCP range of network addresses can help you to troubleshoot DHCP-related issues. For this, you can remove certain devices from the wi-fi network or manually increase the number of devices limit. Here’s how to do it:

  • Open any web browser in your system, go to your router website and enter login credentials to access your account.
  • Navigate to the DHCP settings tab.
  • Now, you have to expand the DHCP IP range. For example, if the higher range is 192.168.1.250, you can expand it to 192.168.1.254.
  • At last, save the changes and exit the webpage.

Conclusion:

We hope the above methods help you to fix the DHCP lookup failed error on Chromebook. If you experience any issues with these methods, feel free to share them with us. In case of any queries or suggestions, don’t forget to drop them in the comment section below.

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