So beheben Sie den Fehler „DHCP-Suche fehlgeschlagen“ im 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.

Was ist ein 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 Betriebssystem 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.

So beheben Sie den Fehler „DHCP-Suche fehlgeschlagen“ im Chromebook

What causes DHCP Lookup Failed Fehler 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.
• Veraltetes 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. Zum Öffnen der Benachrichtigung Menü, klicken Sie auf das Uhrzeit Symbol in der unteren rechten Ecke.

2. Klicken Sie nun auf Gang Symbol für den Zugriff Chromebook-Einstellungen.

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

4. Klicken Sie auf die Check for updates button, as highlighted.

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

Lesen Sie auch: So entfernen Sie ein Konto vom Chromebook

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. Zuerst, ausschalten das Chromebook.

2.ausschalten the modem/router and trennen es vom Netzteil.

3. Wartezeit a few seconds before you schließen it to the power source.

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

5. Nun, anmachen the Chromebook and Connect it to the Wi-Fi network.

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

Lesen Sie auch: Fix DHCP is not enabled for WiFi in Windows 10

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 DNS-Server. 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. Navigieren Sie zu Chrome Network settings von dem Benachrichtigungsmenü wie erklärt in Methode 1.

2. Unter NetzwerkeinstellungenWählen Sie die Wi-Fi .

3. Klicken Sie auf rechter Pfeil available next to the Netzwerk to which you are unable to connect.

4. Scroll down to locate and select the Name Server .

5. Klicken Sie auf die Dropdown- boxen und wählen Google Name Server 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, Wiederaufnahme das Chromebook.

2. Fahren Sie nun mit dem fort Netzwerkeinstellungen page as you did earlier.

3. Scrollen Sie nach unten zum Nameserver label. This time, choose Automatic Name Servers from the drop-down menu. Refer to pic given above for clarity.

4. Schließen 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 Netzwerkeinstellungen wieder.

2. Schalten Sie hier die Option aus Konfigurieren Sie die IP-Adresse Im Prinzip so, wie Sie es von Google Maps kennen. Option, wie abgebildet.

3. Stellen Sie nun die ein Chromebook IP address manually.

4. Wiederaufnahme 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. Klicken Sie auf die Wi-Fi symbol in the lower right corner of the Chromebook screen.

2. Wählen Sie Ihre Wi-Fi network name. Click on Einstellungen .

3. In the Network Settings window, Disconnect das Netzwerk.

4. Wiederaufnahme Ihr Chromebook.

5. Endlich, Connect 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.

Lesen Sie auch: Beheben Sie den eingeschränkten Zugriff oder keine WLAN-Konnektivität unter Windows 10

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. Starten Chrome und navigiere zu router website. Einloggen auf Ihr Konto.

2 Navigieren Sie zum Wireless-Einstellungen und wählen Sie die Band wechseln .

3 Wählen 5GHz, if the default setting was 2.4GHz, Oder umgekehrt.

4. Zuletzt, Speichern all changes and exit. 

5. Wiederaufnahme 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 Web-Browser, navigiere zu deinem router website und Einloggen mit Ihren Anmeldeinformationen.

2. Weiter zum DHCP-Einstellungen Tab.

3. Erweitere das DHCP IP range.

For example, if the higher range is 192.168.1.250, expand it to 192.168.1.254, wie gezeigt.

4. Speichern die Änderungen und wunsch die Webseite.

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. Klicken Sie mit der rechten Maustaste auf VPN-Client.

2. Toggle WOW! the VPN, as highlighted.

3. Alternativ können Sie Deinstallieren it, if it is no longer needed.

Lesen Sie auch: Fix-Site kann nicht erreicht werden, Server-IP konnte nicht gefunden werden

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. Klicken Sie auf die Run Diagnostics link to start running the tests.

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

• Captive-Portal
• DNS
• Firewall
• Google-Services
• Lokales Netzwerk

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

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. Gehen Sie zum Statusbereich on your screen and click the Netzwerk Icon then select Einstellungen .

2. Innerhalb der Internetverbindung option, you will find a Wi-Fi network. Click on it.

3. Dann wählen Sie Bevorzugte Netzwerke. 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 entfernen the preferred network. 

6. Repeat this process to löschen each Preferred Network individuell.

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. Einschalten your router/modem 

2. Suchen Sie die Nachst button. It is a tiny button located on the backside or right-hand side of the router and looks like this:

3. Drücken Sie nun die Taste zurückstellen button with a paper pin/safety pin. 

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

5. Endlich, anmachen 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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Wir hoffen, dass es Ihnen gelungen ist 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.