Долдугаар сарын 26, 2021

Chromebook дээрх DHCP хайлт амжилтгүй болсон алдааг хэрхэн засах вэ

Chromebook дээрх DHCP хайлт амжилтгүй болсон алдааг хэрхэн засах вэ

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.

Chromebook гэж юу вэ? 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 үйлдлийн систем 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.

Chromebook дээрх DHCP хайлт амжилтгүй болсон алдааг хэрхэн засах вэ

Chromebook дээрх DHCP хайлт амжилтгүй болсон алдааг хэрхэн засах вэ

What causes DHCP Lookup Failed алдаа 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. нээхийн тулд мэдэгдэл цэс дээр дарна уу цаг icon from the bottom-right corner.

2. Одоо дарна уу тоног төхөөрөмж icon to access Chromebook-ийн тохиргоо.

3. From the left panel, select the option titled Chrome OS-ийн тухай.

4. Дарна уу Шинэчлэлтүүдийг шалгах button, as highlighted.

Update Chrome OS. Fix Error DHCP Lookup Failed in Chromebook

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

Мөн уншина уу: Chromebook-ээс бүртгэлийг хэрхэн устгах вэ

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. Нэгдүгээрт, хаах the Chromebook.

Google chromebook

2.Хаах the modem/router and салгах энэ нь цахилгаан хангамжаас.

3. түр хүлээнэ үү a few seconds before you дахин холбох it to the power source.

4. түр хүлээнэ үү for the lights on the modem/router to stabilize.

5. Одоо, асаах the Chromebook and холбох it to the Wi-Fi network.

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

Мөн уншина уу: 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 сервер. 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. Руу очих Chrome Network settings аас Мэдэгдлийн цэс -д тайлбарласны дагуу Арга 1.

2 дугаартай. Доороо Сүлжээний тохиргоо, сонгох Wi-Fi сонголт.

3. Дээр дарна уу баруун товчоо available next to the сүлжээ to which you are unable to connect.

4. Scroll down to locate and select the Нэрийн сервер сонголт.

5. Дарна уу доош унах хайрцгийг сонгоод сонгоно уу Google Name Servers from the given menu, as shown.

Chromebook Choose Name Server from drop-down

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, дахин ачааллах the Chromebook.

2. Now, proceed to the Сүлжээний тохиргоо page as you did earlier.

3. доош гүйлгээд Серверүүдийг нэрлэ label. This time, choose Automatic Name Servers from the drop-down menu. Refer to pic given above for clarity.

4. Дахин холбогдоно уу 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 Сүлжээний тохиргоо дахин нэг удаа.

2. Here, toggle off the IP хаяг тохируулна уу автоматаар дүрсэлсэн шиг сонголт.

chromebook Configure IP address manually. how to fix DHCP Lookup Failed error in Chromebook.

3. Одоо тохируулна уу Chromebook IP address manually.

4. Дахин ачааллах 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. Дарна уу Wi-Fi symbol in the lower right corner of the Chromebook screen.

2. Өөрөө сонгоно уу Wi-Fi network name. Click on Тохиргоо.

Wi-fi options CHromebook. how to fix DHCP Lookup Failed error in Chromebook.

3. In the Network Settings window, Таслах сүлжээ.

4. Дахин ачааллах таны Chromebook.

5. Эцэст нь холбох it to the same network and continue using the device as usual.

Chromebook Reconnect to the Wi-fi network.how to fix DHCP Lookup Failed error in Chromebook.

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

Мөн уншина уу: Windows 10 дээрх хязгаарлагдмал хандалт эсвэл холболтгүй WiFi-г засаарай

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. Эхлэх Chrome мөн чиглүүлэх router website. Нэвтрэх таны дансанд.

2. Руу оч Утасгүй тохиргоо Таб сонгоод Band өөрчлөх сонголт.

3. Сонгох 5 ГГц, if the default setting was 2.4GHz, эсвэл эсрэгээр.

Change Frequency Band of the Wi-Fi network

4. Эцэст нь, аврах all changes and exit. 

5. Дахин ачааллах 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 вэб хөтөч, өөрийн гэсэн рүү шилжих router website болон нэвтрэн Таны итгэмжлэлүүд.

2. Цааш үргэлжлүүлнэ үү DHCP тохиргоо таб.

3. -г өргөжүүлнэ үү DHCP IP range.

For example, if the higher range is 192.168.1.250, expand it to 192.168.1.254, үзүүлсний дагуу.

On router webpage, Increase DHCP range of Network Address.how to fix DHCP Lookup Failed error in Chromebook.

4. Save the changes and гарах вэб хуудас.

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. дээр хулганы баруун товчийг дарна уу VPN client.

2. Toggle хийх унтраах the VPN, as highlighted.

Disable Nord VPN by toggling it off. How to fix DHCP lookup failed in Chromebook

3. Эсвэл та чадна устгах it, if it is no longer needed.

Мөн уншина уу: Сайт руу холбогдох боломжгүй, серверийн IP олдсонгүй

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. Дарна уу Run Diagnostics link to start running the tests.

Run Connectivity Diagnostics in Chromebook

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

  • Олзлогдсон портал
  • DNS
  • Firewall
  • Google үйлчилгээ
  • Орон нутгийн сүлжээ

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

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. Руу оч Статусын бүс on your screen and click the Сүлжээний Icon then select Тохиргоо.

2. дотор Интернэт холболт option, you will find a Wi-Fi network. Click on it.

3. Дараа нь сонгоно уу Давуу эрхтэй сүлжээ. A complete list of all saved networks will be shown here.

Preferred networks in Chromebook

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

Remove Your Preferred Network by clicking on X icon.

6. Repeat this process to устгах each Preferred Network тус тусад нь.

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. Асаах your router/modem 

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

Дахин тохируулах товчийг ашиглан чиглүүлэгчийг дахин тохируулна уу

3. Одоо товчийг дарна уу Дахин тохируулах button with a paper pin/safety pin. 

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

5. Эцэст нь асаах 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.

Зөвлөмж:

Та чадсан гэж найдаж байна 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.