All About Fix DHCP Lookup Failed in Chromebook

DHCP (Dynamic Host Configuration Protocol) Lookup Failed is a common issue that Chromebook users may encounter while trying to connect to the internet. This error can be frustrating and may disrupt the user’s workflow. However, understanding the root cause and troubleshooting methods can help resolve the issue and get the Chromebook back online. In this article, we will explore all about Fix DHCP Lookup Failed in Chromebook, including its causes and solutions to help users effectively resolve the issue.

Fix: DHCP Lookup Failed in Chromebook

Are you encountering a “DHCP Lookup Failed” error on your Chromebook? This error typically occurs when your device is unable to connect to the network and obtain an IP address from the Dynamic Host Configuration Protocol (DHCP) server. This can happen due to various reasons, such as network issues, misconfigured settings, or outdated software. In this blog post, we’ll discuss some potential fixes to resolve the “DHCP Lookup Failed” issue on your Chromebook.

1. Restart your Chromebook
Sometimes a simple restart can fix issues with your Chromebook. Press and hold the Power button on your device until it shuts down. Wait for a few seconds and then turn it back on. This will refresh your network settings and may resolve the DHCP Lookup Failed error.

2. Check your network connection
If you’re having trouble connecting to the internet, check your network cables, router, and modem. Make sure they are properly connected and turned on. If you’re using a wireless connection, ensure that your Chromebook is within the range of the Wi-Fi network and the signal is strong enough.

3. Update your Chromebook
Outdated software can cause various issues, including network connectivity problems. To update your Chromebook, click on the clock in the bottom right corner and select the “Settings” icon. Under “About Chrome OS,” click on “Check for Updates.” If there are any updates available, click on “Restart” to install them. Once your Chromebook restarts, check if the DHCP Lookup Failed error is resolved.

4. Reset network settings
If the above solutions don’t work, try resetting your network settings. This will clear any saved network configurations, and your Chromebook will search for available networks again. To do this, go to “Settings” and click on “Advanced” at the bottom of the page. Under “Network,” click on “Reset network settings” and confirm the action.

5. Reconfigure DHCP settings
If you’re using a static IP address, try switching to DHCP and see if it resolves the issue. To do this, click on the clock at the bottom right corner and select “Settings.” Under “Internet connection,” toggle off the switch next to “Use static IP configuration.” After a few seconds, toggle the switch back on and check if the DHCP Lookup Failed error is fixed.

6. Try a different network
If you have access to another Wi-Fi network, try connecting your Chromebook to it. This will help identify if the issue is with your device or the network you’re trying to connect to. If you can connect to a different network without any problems, the issue lies with your current network, and you may need to contact your network administrator for help.

7. Power wash your Chromebook
If none of the above solutions work, you can try power washing your Chromebook. This will reset your device to its factory settings and may help resolve the DHCP Lookup Failed error. However, keep in mind that this will delete all the data on your Chromebook, so make sure to back up any important data before proceeding.

To power wash your Chromebook, go to “Settings” and click on “Advanced” at the bottom of the page. Under “Privacy and security,” click on “Power wash.” Follow the on-screen instructions to complete the process.

In conclusion, the “DHCP Lookup Failed” error on your Chromebook can be frustrating, but it can be fixed with some troubleshooting steps. We

Solution 1: Restart Your Networking Equipment and Chrome

If you’re experiencing problems with your internet connection when trying to use Google Chrome, the first thing you should do is restart your networking equipment and Chrome. This simple solution can often fix many connectivity issues.

Here are the steps you should follow to restart your networking equipment and Chrome:

1. Turn off your computer and any other devices that are connected to your network, such as your smartphone or tablet.

2. Unplug your router and modem from the power outlet. Wait for at least 30 seconds before plugging them back in.

3. Once your networking equipment has restarted, turn on your computer and wait for it to connect to your network.

4. Open Google Chrome and try to access a website. If the issue persists, try clearing your browser’s cache and cookies.

5. If the problem still persists, you can try resetting your router and modem to factory settings. You can usually find a small reset button on the back of your device that you can press with a paperclip or pin.

6. After resetting your networking equipment, set up your network again and try accessing Chrome.

Restarting your networking equipment and Chrome can help with many connectivity issues, such as slow internet speeds, website not loading, or error messages when using Chrome. This is because it allows your networking equipment to establish a fresh and new connection to the internet.

In addition to restarting your equipment, it’s a good idea to make sure your router and modem are placed in an optimal location, away from any obstructions, and that they are updated with the latest firmware.

If restarting your networking equipment and Chrome doesn’t solve the problem, you should check for any network outages in your area or contact your internet service provider for further assistance.

Solution 2: Change the Sleep Settings of Chromebook

Solution 2: Change the Sleep Settings of Chromebook

If you’re experiencing issues with your Chromebook going to sleep too quickly, or not going to sleep at all, then changing the sleep settings may be the solution. Here’s how to do it:

1. Click on the clock in the bottom right corner of your Chromebook to open the system tray.
2. Click on the gear icon to open the Settings menu.
3. Scroll down and click on “Device” to expand the menu.
4. Select “Display” from the expanded menu.
5. Under the “Display” tab, you will see the option to adjust the sleep settings.
6. Use the slider to adjust the time until the Chromebook goes to sleep.
7. You can also choose to have the Chromebook never go to sleep by selecting “Never” from the drop-down menu.
8. Save your changes by clicking “Done” at the bottom of the window.

If your Chromebook is already set to “Never” sleep, but it still does, then follow these additional steps to troubleshoot the issue:

1. Open the “System” menu from the system tray.
2. Select “Power” from the menu.
3. Check your power settings to make sure that “Sleep when lid is closed” is turned off.
4. Also check your “Power Management” settings to make sure that there are no programs or apps preventing the Chromebook from sleeping.
5. If the issue still persists, try restarting your Chromebook and then adjusting the sleep settings again.

Changing the sleep settings of your Chromebook can also help conserve battery life. If you’re experiencing battery drain, try setting a shorter sleep time or manually putting your Chromebook to sleep when you’re not using it.

In some cases, a malfunctioning app or extension can interfere with the sleep settings of your Chromebook. If none of the above solutions work, try disabling or removing any recently installed apps or extensions to see if that resolves the issue.

In conclusion, adjusting the sleep settings of your Chromebook is a simple solution that can fix issues with the device not going to sleep or going to sleep too quickly. It’s also a useful way to conserve battery life. If the issue persists, try troubleshooting by checking power settings and disabling apps or extensions.

Solution 3: Reconnecting to the Wi-Fi Network

One of the most common and frustrating issues that users encounter when using any device with Wi-Fi capability is a sudden disconnection from the network. This can happen for a variety of reasons, such as a weak signal, network interference, or an issue with the device’s hardware or software.

If you find yourself constantly getting disconnected from your Wi-Fi network, there are a few steps you can take to try and resolve the issue. In this post, we will discuss one solution that may help fix this problem – reconnecting to the Wi-Fi network.

Step 1: Check your Wi-Fi signal and network settings.

The first thing you should do is to check your Wi-Fi signal strength and network settings. Make sure that your device is within range of the Wi-Fi router and that the signal is strong enough. You can also try to move closer to the router or vice versa. If your device is connected to the Wi-Fi network, but the signal is weak, consider resetting your router or contacting your internet service provider for assistance.

In addition, you may want to check your network settings to make sure that your device is properly connected to the correct network and that the network’s security and password settings are correct. If you recently changed your Wi-Fi router or password, your device may still be trying to connect to the old network.

Step 2: Forget the Wi-Fi network and reconnect.

If your device is still getting disconnected from the Wi-Fi network, you can try to forget the network and then reconnect to it. To do this, go to your device’s Wi-Fi settings and select the network you want to forget. Click on the “Forget Network” option and then try reconnecting to the network by entering the correct password.

This will force your device to establish a new connection to the network and may help resolve any connectivity issues.

Step 3: Reset your network settings.

If forgetting and reconnecting to the Wi-Fi network does not work, you may want to try resetting your network settings. This will erase all saved Wi-Fi networks and their passwords, and your device will start with a clean slate.

To reset your network settings, go to your device’s settings and look for the option to “Reset Network Settings.” Once you confirm the reset, your device will reboot and you will need to set up your Wi-Fi connections again.

Step 4: Restart your device.

Sometimes, simple solutions like restarting your device can help fix connectivity issues. So, if the above steps do not work, try restarting your device and then reconnecting to the Wi-Fi network.

Step 5: Check for software or firmware updates.

Software or firmware bugs can also cause Wi-Fi connectivity issues. Make sure that your device’s software and firmware are up to date. If there are any updates available, install them and then try reconnecting to the Wi-Fi network.

Step 6: Contact technical support.

If none of the above steps work, there may be an underlying issue with your device’s hardware. In this case, it is best to contact technical support for assistance. They may be able to diagnose and fix the issue or provide further troubleshooting steps to help you reconnect to the Wi-Fi network.

In conclusion, constantly getting disconnected from your Wi-Fi network can be frustrating, but there are several steps you can take to try and fix the issue. Reconnecting to the network is one solution that may help resolve connectivity problems. However, if the problem persists, it is best to seek technical support for further

Solution 4: Use Google Name Servers for the Network

If you’re running your own network or managing a website, you’ve probably encountered some issues with your DNS (Domain Name System) settings. These settings determine how your network or website communicates with the rest of the internet. DNS issues can cause problems with network connectivity and website access, and can be tricky to troubleshoot and resolve.

One solution that can potentially help with DNS issues is switching to Google Name Servers. Google offers a free DNS service that can help improve the speed and reliability of your DNS resolution. This can in turn lead to faster network connectivity and faster website loading times. Here’s how to set up Google Name Servers for your network:

Step 1: Check Your Current DNS Settings
Before making any changes, it’s important to check your current DNS settings and make note of them. This will help you revert to your original settings if needed.

Step 2: Sign Up for Google Name Servers
To use Google Name Servers, you will first need to sign up for a Google account if you don’t already have one. Once you have an account, go to the Google Public DNS website and click on the “Get Started” button.

Step 3: Change Your DNS Settings
Once you have an account and have logged in, you can switch to Google Name Servers by changing your DNS settings. This process will vary depending on your operating system and network setup, but generally you can change these settings through your network preferences or control panel.

For example, on a Windows computer, go to the Control Panel and click on “Network and Sharing Center”. Then click on “Change adapter settings” and select your network connection. From there, click on “Properties” and double click on “Internet Protocol Version 4 (TCP/IPv4)”. Select the option to “Use the following DNS server addresses” and enter Google’s DNS addresses: and Click “OK” to save the changes.

Step 4: Test the Change
Once you have changed your DNS settings, it’s important to test if the change has been successful. You can do this by running a DNS lookup for a website that you had trouble accessing before. If the lookup is successful, then Google Name Servers are now handling your network’s DNS resolution.

Step 5: Monitor and Troubleshoot
Now that your network is using Google Name Servers, it’s important to monitor and troubleshoot any further DNS issues that may arise. You can do this by using tools such as DNS Benchmark or DNSPerf to test the speed and performance of different DNS services.

While using Google Name Servers can potentially improve your network’s DNS resolution, it’s important to note that it may not be the solution for all DNS problems. If you continue to experience issues, it’s best to consult a professional or your network provider for further assistance.

In conclusion, switching to Google Name Servers can be a simple and effective solution to improve your network’s DNS resolution. It can lead to faster network speeds and better website performance, ultimately enhancing your overall internet experience. So give it a try and see the difference for yourself!

Solution 5: Extend the DHCP Range of Addresses of the Network

Solution 5: Extend the DHCP Range of Addresses of the Network

As our world becomes increasingly connected, having a strong and stable network is essential. One crucial component of a reliable network is a Dynamic Host Configuration Protocol (DHCP) server. This server assigns IP addresses to devices connected to the network, allowing them to communicate with each other and access the internet.

However, businesses or households that have a large number of devices connected to a network may face issues with their DHCP server. This is because the DHCP server has a limited range of addresses that it can assign, which can lead to a shortage of IP addresses. When this happens, new devices may not be able to connect to the network, causing frustration and disruption.

To solve this problem, it is necessary to extend the DHCP range of addresses on the network. Here are some steps on how to do so:

1. Determine the current DHCP range of addresses:
Before making any changes to the DHCP range, it is essential to know the current range of addresses allocated by the DHCP server. This information can be found in the router or server settings, depending on where the DHCP server is located.

2. Calculate the number of additional addresses needed:
The next step is to calculate how many addresses need to be added to the current range. This can be determined by counting the number of devices that need to be connected to the network or by estimating the number of new devices that may be added in the near future.

3. Find an available subnet:
A subnet is a range of IP addresses on a network that are all connected to each other. To extend the DHCP range, a new subnet must be added. It is necessary to find an available subnet that is not being used on the network. This can be done by using an IP Address Calculator or by consulting with the network administrator.

4. Configure the DHCP server:
Once a new subnet has been identified, the DHCP server must be configured to allocate addresses from this new range. This can be done through the DHCP server’s settings, where the new subnet and the number of additional addresses can be specified.

5. Test the new DHCP range:
After configuring the DHCP server, it is essential to test the new DHCP range by connecting a new device to the network. If the device receives an IP address from the new range, then the extension was successful.

Extending the DHCP range of addresses can solve the issue of a shortage of IP addresses on a network. By following these steps, businesses and households can ensure that all devices can connect to the network without any issues. This will result in a smoother and more efficient network, allowing for better communication and productivity.

Solution 6: Change the Frequency Band of Your Wi-Fi Network

Wi-Fi is the preferred mode of internet connection for many people today. It allows for wireless connectivity, making it convenient and hassle-free. However, there are instances when you may notice that your Wi-Fi network is slow or keeps dropping frequently. One solution to this problem could be changing the frequency band of your Wi-Fi network. In this blog, we will discuss what frequency bands are and how changing them can improve your Wi-Fi connection.

What are Frequency Bands?

Frequency bands refer to the range of radio frequencies used for wireless communication. There are three main frequency bands used in Wi-Fi networks: 2.4 GHz, 5 GHz, and 60 GHz. These frequencies are used to transmit data and signals between devices and the router.

The 2.4 GHz band is the most commonly used and has been around since the early days of Wi-Fi. However, the 5 GHz band is newer and offers faster speeds and less interference. The 60 GHz band is the newest, but it has limited range and is mainly used for high-speed data transfer between devices in the same room.

How Changing the Frequency Band Can Improve Wi-Fi Connection

The frequency band your Wi-Fi network uses can affect its performance. If you live in an area with multiple Wi-Fi networks, there can be interference, causing your connection to drop or become slow. This is because all Wi-Fi networks in the area might be using the same frequency band, causing congestion.

Changing the frequency band can help improve your Wi-Fi connection in the following ways:

1. Less Interference: If your network is experiencing interference from other Wi-Fi networks, switching to a less congested frequency band can reduce this interference and improve your connection.

2. Faster Speeds: The 5 GHz band offers faster speeds compared to the 2.4 GHz band. Thus, if you switch to the 5 GHz band, you can enjoy faster download and upload speeds.

3. Better Connection: The 5 GHz band also has a shorter range compared to the 2.4 GHz band, which means less signal interference from neighboring networks. This can result in a more stable and reliable connection.

How to Change the Frequency Band of Your Wi-Fi Network

To change the frequency band of your Wi-Fi network, follow these steps:

1. Log into your router’s administration panel.

2. Look for the Wi-Fi settings or Wireless settings.

3. Find the option to change the frequency band. This option may be under Advanced settings or Wireless mode.

4. Select the 5 GHz band and save the changes.

5. If your device supports it, you can also choose the 5 GHz band and the 2.4 GHz band at the same time. This will give you the option to switch between bands automatically.


Changing the frequency band of your Wi-Fi network can increase your network’s performance and improve your internet browsing experience. However, note that not all devices are compatible with the 5 GHz band, so do a compatibility check before changing the band. Additionally, if you live in a large area, the 2.4 GHz band might be a better option as it has a longer range. Experiment with different frequency bands to find the one that works best for you.

Solution 7: Update Chrome OS of Your Chromebook

Chrome OS is an operating system developed by Google specifically for Chromebook laptops. Similar to other operating systems such as Windows and MacOS, Chrome OS also requires regular updates to ensure optimal performance and security. If you are experiencing issues with your Chromebook, it may be because you are using an outdated version of Chrome OS. In this blog post, we will discuss how updating Chrome OS can help solve common problems with your Chromebook.

Why Update Chrome OS?

1. Security: One of the main reasons to update Chrome OS is for security purposes. As technology evolves, so do cyber threats. Google constantly releases updates to address any security vulnerabilities that may arise, ensuring that your device is protected from potential attacks.

2. Bug fixes: Updates also include bug fixes for existing issues within the operating system. These fixes can help improve the overall performance and stability of your Chromebook.

3. New features: With each update, Google introduces new features and enhancements to the Chrome OS. These features can improve your overall user experience and make your Chromebook more efficient.

4. App compatibility: Updating Chrome OS also ensures that your device is compatible with the latest versions of apps and software. If you are experiencing compatibility issues with certain apps, updating Chrome OS may help resolve them.

How to Update Chrome OS on Your Chromebook

1. Connect to a stable internet connection: Before updating Chrome OS, make sure your Chromebook is connected to a stable internet connection. You can check the strength of your internet connection by clicking on the Wi-Fi icon in the bottom right corner of your screen.

2. Check for updates manually: Click on the time in the bottom right corner of your screen, then click on the gear icon to open the settings menu. From there, click on “About Chrome OS” on the left-hand side and then click on “Check for updates”. If there is an update available, click on “Restart to update” to begin the installation process.

3. Enable automatic updates: You can also set your Chromebook to automatically check for updates and install them when they become available. To do this, go to the settings menu and click on “About Chrome OS”, then click on “Change channel and set channel to” and select “Stable” if it is not already selected. This will ensure that your device automatically receives the latest updates.


Updating Chrome OS on your Chromebook is crucial to ensure security, fix bugs, and improve performance. By following the steps mentioned above, you can easily keep your Chromebook up to date and avoid potential issues. Additionally, make sure to regularly check for updates and enable automatic updates to ensure your device is always running on the latest version of Chrome OS.

Solution 8: Reset Your Router/Modem to Default Settings

Solution 8: Reset Your Router/Modem to Default Settings

Is your internet connection not working properly? Are you experiencing slow internet speeds or frequent disconnections? In today’s technology-driven world, a high-speed and stable internet connection is crucial for both personal and professional use. If you’re facing internet connectivity issues, the problem could lie with your router or modem. Resetting your router or modem to its default settings can help resolve many internet connectivity issues. In this blog post, we’ll discuss the steps to reset your router/modem and the benefits of doing so.

What does it mean to reset your router/modem?

Resetting your router or modem means restoring it to its original factory settings. This process erases any customized settings and configurations that you may have set up, such as network name and password, port forwarding, and parental controls. Once you reset your router or modem to its default settings, you’ll need to set up these configurations again.

Why should you reset your router/modem?

1. Fix network connectivity issues: If you’re facing network connectivity problems, such as slow internet speeds or frequent disconnections, resetting your router/modem may help resolve the issue. This will erase any temporary glitches in the system and give it a fresh start.

2. Reset forgotten password: If you have forgotten your router or modem’s login credentials, resetting it to its default settings will allow you to use the default factory login details to access the settings page.

3. Remove malware or viruses: If you suspect that your router/modem has been infected with malware or viruses, resetting it can help eliminate the malicious code that may be causing the issue.

4. Improve overall performance: Over time, routers and modems may accumulate data and settings that can affect their performance. Resetting them to their default settings can help improve their overall performance and speed.

How to reset your router/modem?

1. Locate the reset button: Most routers and modems have a small reset button usually located at the back of the device. Look for a small hole labeled “Reset” and using a paper clip or a pen, press and hold the button for 10-15 seconds.

2. Power off the device: Once you have held the reset button for the specified time, unplug the power cord from the router or modem. Make sure to wait for at least 30 seconds before proceeding to the next step.

3. Power on the device: After 30 seconds, plug the power cord back into the device and wait for the lights on the router/modem to stabilize.

4. Connect to the network: Use the default network name and password (usually found on the device) to connect to the network.

5. Configure the settings: Now that your router/modem is reset to its default settings, you’ll need to configure it again by setting up your network name, password, and other configurations as per your needs.

It’s important to note that the steps mentioned above may vary depending on the make and model of your router or modem. Consult your device’s user manual or contact the manufacturer for specific instructions.

In conclusion, resetting your router or modem to its default settings can help resolve many internet connectivity issues, improve performance, and fix network glitches. Before resetting your device, make sure to back up any important settings or configurations. In case the problem persists, consider contacting your internet service provider for further assistance.


In conclusion, understanding and addressing the issue of “DHCP lookup failed” on Chromebooks is essential for a smooth and uninterrupted browsing experience. Whether it is through troubleshooting steps or configuring the network settings, there are multiple ways to fix this issue. By keeping our devices updated, resetting the router, or seeking professional help, users can overcome this problem and continue to enjoy the many benefits of using Chromebooks. With the information provided in this article, users can now have a better understanding of the “DHCP lookup failed” error and confidently resolve it whenever it occurs. By implementing these solutions, users can save time and avoid frustration while browsing on their Chromebook.

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