Como corrixir o erro de busca de DHCP no Chromebook

Do you get the DHCP lookup failed error in Chromebook when you are attempting to connect to a network? No need to worry! Through this guide, you are going to learn how to fix DHCP Lookup Failed error in Chromebook.

Que é un Chromebook? What is DHCP Lookup Failed error in Chromebook?

Chromebook is a new generation of computers that are designed to execute tasks in a manner that is quicker and easier than the existing computers. They run on Chrome Sistema Operativo that includes the finest features of Google along with cloud storage, and enhanced data protection.

Dynamic Host Configuration Protocol, abbreviated as DHCP, is a mechanism for device configuration on the internet. It allocates IP addresses and allows default gateways to facilitate quick and smooth connections between various devices on the IP network. This error pops up while connecting to a network. It basically means that your device, in this case, Chromebook, is not able to retrieve any information related to IP addresses from the DHCP server.

Como corrixir o erro de busca de DHCP no Chromebook

What causes DHCP Lookup Failed erro in Chromebook?

There are not many known causes of this issue. However, some of them are:

• VPN – VPN masks your IP address and may cause this issue.
• Wi-Fi extenders – They generally don’t gel well with Chromebooks.
• Modem/Router Settings – This too, will cause connectivity problems and result in DHCP Lookup failed error.
• Outdated Chrome OS – Using an outdated version of any operating system is bound to create problems on the associated device.

Let’s get to fixing this error with the easiest and quickest methods explained below.

Method 1: Update Chrome OS

Updating your Chromebook from time to time is a great way to fix any errors related to Chrome OS. This would keep the operating system in tune with the latest software and will also prevent glitches and crashes. You can rectify Chrome OS-related issues by upgrading the firmware as:

1. Para abrir o Notificación menú, fai clic en Tempo icon from the bottom-right corner.

2. Agora faga clic en engrenaxe icon to access Configuración do Chromebook.

3. From the left panel, select the option titled Acerca de Chrome OS.

4. Prema na Verifique se hai actualizacións button, as highlighted.

5. Reinicia the PC and see whether the DHCP lookup issue is resolved.

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Method 2: Restart Chromebook and router

Restarting devices is an efficient way to fix minor errors, as it gives your device time to reset itself. Hence, in this method, we are going to restart both, router and Chromebook to possibly fix this issue. Just follow these simple steps:

1. En primeiro lugar, apagar the Chromebook.

2.Apagar the modem/router and apagar a partir da fonte de alimentación.

3. Espere a few seconds before you reconectar it to the power source.

4. Espere for the lights on the modem/router to stabilize.

5. Agora, acende the Chromebook and conectarse it to the Wi-Fi network.

Verify if the error DHCP lookup failed in Chromebook is fixed. If not, try the next solution.

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Method 3: Use Google Name Server or Automatic Name Server

The device will display the DHCP lookup error if it is unable to interact with the DHCP server or IP addresses on a Servidor DNS. Therefore, you can use the Google Name server or Automatic Name Server to solve this problem. Let’s see how to do this:

Option 1: Using Google Name Server

1. Navega ata Chrome Network settings a partir do Menú de notificacións como se explica en Método 1.

2. Baixo Configuración de rede, seleccione o Wi-Fi opción.

3. Fai clic no botón frecha cara á dereita available next to the rede to which you are unable to connect.

4. Scroll down to locate and select the Servidor de nomes opción.

5. Prema na Despregar menú caixa e escolla Google Name Servers from the given menu, as shown.

Check whether the Samsung TV Wi-Fi connection issue has been rectified by reconnecting it to the Wi-Fi network.

Option 2: Using Automatic Name Server

1. If the DHCP lookup failed error persists even after utilizing Google Name Server, reiniciar the Chromebook.

2. Agora, proceda ao Configuración da rede page as you did earlier.

3. Desprácese ata o Servidores de nomes label. This time, choose Automatic Name Servers from the drop-down menu. Refer to pic given above for clarity.

4. Reconectar to the Wi-Fi- network and verify if the DHCP problem has been resolved.

Option 3: Using Manual Configuration

1. If using either server didn’t solve this problem, go to the Configuración da rede unha vez mais.

2. Here, toggle off the Configurar o enderezo IP automaticamente opción, como se representa.

3. Agora, configura o Chromebook IP address manually.

4. Reinicia the device and reconnect.

The DHCP lookup failed error in Chromebook error should be fixed by now.

Method 4: Reconnect to the Wi-fi network

Another easy method to fix DHCP lookup failed error in Chromebook is to disconnect it from your Wi-Fi network and reconnect it afterward.

Let’s see how you can do this:

1. Prema na Wi-Fi symbol in the lower right corner of the Chromebook screen.

2. Seleccione o seu Wi-Fi network name. Click on Configuración.

3. In the Network Settings window, Desconectar a rede.

4. Reinicia o teu Chromebook.

5. Finalmente, conectarse it to the same network and continue using the device as usual.

Move to the next method if this does not fix the DHCP lookup failed error in Chromebook.

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Method 5: Change Frequency Band of the Wi-Fi network

It is possible that your computer doesn’t support the Wi-Fi frequency that your router offers. However, you can change frequency settings manually to meet the frequency standards of the network, if your service provider supports this change. Let’s see how to do this:

1. Lanzamento cromo e navegue ata o router website. Iniciar sesión á súa conta.

2. Desprácese ata a Configuración sen fíos guía e selecciona a Cambiar banda opción.

3. Elixe 5GHz, if the default setting was 2.4GHz, ou viceversa.

4. Por último, gardar all changes and exit. 

5. Reinicia your Chromebook and connect to the network.

Check whether the DHCP issue is now rectified..

Method 6: Increase DHCP range of Network Address

We observed that removing certain devices from the wi-fi network or manually increasing the number of devices limit helped rectify this issue. Here’s how to do it:

1. In any navegador, navega ata o teu router website login coas túas credenciais.

2. Proceda ao Configuración de DHCP Tab

3. Expanda o DHCP IP range.

For example, if the higher range is 192.168.1.250, expand it to 192.168.1.254, como se mostra.

4. gardar the changes and saír a páxina web.

If the error DHCP lookup failed still pops up, you could try any of the succeeding methods.

Method 7: Disable VPN to fix DHCP Lookup Failed error in Chromebook

If you use a proxy or a VPN to connect to the internet, it may cause conflict with the wireless network. Proxy and VPN have been known to cause DHCP lookup failed error in Chromebook on numerous occasions. You can turn it off temporarily to fix it.

1. Fai clic co botón dereito no botón VPN client.

2. Alterne fóra the VPN, as highlighted.

3. Alternatively, you can desinstalar it, if it is no longer needed.

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Method 8: Connect without Wi-Fi Extender and/or Repeater

Wi-fi extenders or repeaters are great when it comes to extending the Wi-Fi connectivity range. However, these devices have also been known to cause certain errors like the DHCP lookup error. Therefore, make sure that you connect to Wi-Fi straight from the router.

Method 9: Use Chromebook Connectivity Diagnostics

If you can still connect to the DHCP server and are still getting the same error message, Chromebook comes with an in-built Connectivity Diagnostics tool that will assist you in diagnosing and resolving connectivity issues. Here’s how you can use it:

1. Search for diagnostics in the Start Menu.

2. Click on the Chromebook Connectivity Diagnostics from the search results.

3. Prema na Run Diagnostics link to start running the tests.

4. The app performs the following tests one by one:

• Portal cativo
• DNS
• Devasa
• Servizos de Google
• Rede local

5. Allow the tool to diagnose the issue. The connection diagnostics tool will perform a variety of tests and rectify issues Se alguén.

Method 10: Remove all Preferred Networks

Chromebook OS, like any other operating system, retains network credentials to allow you to connect to the same network without entering the password every time to do so. As we connect to more Wi-Fi networks, Chromebook keeps storing more & more passwords. It also creates a list of preferred networks depending on past connections and data usage. This causes network stuffing. Hence, it is advisable to remove these saved preferred networks and check if the issue persists. Follow the steps given below to do the same:

1. Ir para o Área de estado on your screen and click the Rede Icon then select Configuración.

2. Dentro do Conexión a Internet option, you will find a Wi-Fi network. Click on it.

3. A continuación, seleccione Redes preferidas. A complete list of all saved networks will be shown here.

4. When you hover over the names of the network, you will see an X mark. Click on it to eliminar the preferred network. 

6. Repeat this process to borrar each Preferred Network individualmente.

7. Once the list is cleared, connect to the desired Wi-Fi network by verifying the password.

This should solve the DHCP lookup failed issue. If it doesn’t, proceed to the next solution.

Method 11: Reset the Router to fix DHCP Lookup Failed error in Chromebook

The DHCP problem might be caused by corrupt firmware on your router/modem. In such cases, you can always reset the router by pressing the reset button of the router. This restores the router to default settings and might fix the DHCP lookup failed in Chromebook error. Let’s see how to do it:

1. Conectar your router/modem 

2. Localiza o Reset button. It is a tiny button located on the backside or right-hand side of the router and looks like this:

3. Agora, prema o botón restablecer button with a paper pin/safety pin. 

4. Wait for the router to reset completely for approximately 30 seconds.

5. Finalmente, acende the router and reconnect Chromebook.

Now check if you’re able to fix DHCP lookup failed error in Chromebook. 

Method 12: Contact Chromebook Customer Support

If you have tried all of the methods listed above and are still unable to resolve the lookup problem, you should contact official customer support. You can also receive more information from the Chromebook Help center.

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Agardamos que puideses facelo fix the DHCP lookup failed error on Chromebook. Let us know which method worked for you the best. Have any queries/suggestions? Drop them in the comment section below.