Chromebook에서 DHCP 조회 실패 오류를 수정하는 방법

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.

Chromebook이란 무엇입니까? 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 운영체제 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.

Chromebook에서 DHCP 조회 실패 오류를 수정하는 방법

What causes DHCP Lookup Failed 오류 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. 열려면 신고 메뉴, 클릭 Time 오른쪽 하단 모서리에서 아이콘을 클릭합니다.

2. 이제 기어 icon to access Chromebook 설정.

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

4. 을 클릭합니다 업데이트 확인 버튼이 강조표시되어 있습니다.

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

또한 읽기 : Chromebook에서 계정을 제거하는 방법

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. 먼저, 끄다 크롬북.

2.해제 the modem/router and 분리 전원 공급 장치에서.

3. 기다림 a few seconds before you 다시 연결하다 it to the power source.

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

5. 이제 켜다 the Chromebook and 잇다 it to the Wi-Fi network.

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

또한 읽기 : 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 서버. 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. 로 이동 Chrome Network settings 인사말 알림 메뉴 에 설명된 대로 방법 1.

2. 아래에 네트워크 설정,를 선택 Wi-Fi 인터넷 옵션을 선택합니다.

3. 클릭 오른쪽 화살표 available next to the 네트워크 to which you are unable to connect.

4. Scroll down to locate and select the 네임서버 옵션을 선택합니다.

5. 을 클릭합니다 드롭 다운 상자와 선택 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, 다시 시작 크롬북.

2. Now, proceed to the 네트워크 설정 page as you did earlier.

3. 아래로 스크롤하여 네임 서버 label. This time, choose Automatic Name Servers from the drop-down menu. Refer to pic given above for clarity.

4. 다시 연결 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 네트워크 설정 다시 한 번.

2. Here, toggle off the IP 주소 구성 자동적으로 옵션은 그림과 같습니다.

3. 이제 Chromebook IP address manually.

4. 다시 시작 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. 을 클릭합니다 Wi-Fi 인터넷 symbol in the lower right corner of the Chromebook screen.

2. 선택 Wi-Fi 인터넷 network name. Click on 설정.

3. In the Network Settings window, 분리 네트워크.

4. 다시 시작 당신의 크롬북.

5. 마지막으로, 잇다 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.

또한 읽기 : Windows 10에서 WiFi 연결이 제한되거나 연결되지 않는 문제 수정

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. 쏘다 크롬 그리고 router website. 로그인 귀하의 계정에.

2. 다음으로 이동하십시오. 무선 설정 탭을 선택하고 밴드 변경 옵션을 선택합니다.

3. 고르다 5GHz, if the default setting was 2.4GHz, 혹은 그 반대로도.

4. 마지막으로 저장 all changes and exit. 

5. 다시 시작 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 웹 브라우저, 귀하의 router website 및 로그인 자격으로

2. 진행 DHCP 설정 탭.

3. 확장 DHCP IP range.

For example, if the higher range is 192.168.1.250, expand it to 192.168.1.254, 보여진 바와 같이.

4. 찜하기 변화와 출구 웹페이지.

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. 마우스 오른쪽 버튼으로 VPN 클라이언트.

2. 전환 오프 the VPN, as highlighted.

3. 또는 다음을 수행할 수 있습니다. 제거 it, if it is no longer needed.

또한 읽기 : 수정 사이트에 연결할 수 없고 서버 IP를 찾을 수 없습니다.

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. 을 클릭합니다 Run Diagnostics link to start running the tests.

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

• 종속 포털
• DNS
• 방화벽
• Google 서비스
• 로컬 네트워크

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

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. 로 이동 상태 영역 on your screen and click the 네트워크 Icon then select 설정.

2. 이내 인터넷 연결 option, you will find a Wi-Fi 인터넷 network. Click on it.

3. 그런 다음 선호하는 네트워크. 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 제거 the preferred network. 

6. Repeat this process to 삭제 each Preferred Network 개별적으로.

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. 전원을 켜십시오 your router/modem 

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

3. 이제 재설정 button with a paper pin/safety pin. 

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

5. 마지막으로, 켜다 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.

권장 사항 :

우리는 당신이 할 수 있기를 바랍니다 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.