Wifi extender dhcp lookup failed I'm a teacher using Chromebooks looking for help with some devices saying "DHCP Lookup Failed" Mar 27, 2019 · Setup is as follows: BT Smart Hub ---Ethernet cable--- Powered Switch ---Ethernet Cable---- Wireless Range Extender There are various other wired devices on the switch. DHCP, nothing helps. When it lost connection, what's the IP address on the client device you can get? Mar 2, 2022 · When it comes to increasing the range of Wi-Fi access, WiFi extenders or repeaters are brilliant. Aug 17, 2015 · Understanding DHCP DHCP stands for Dynamic Hosting Configuration Protocol. You can also renew your IP address. This reset can fix temporary connectivity issues or conflicts that caused the DHCP lookup to fail. Adjust DHCP settings on your computer or router quickly and easily. BT Smart Hub has DHCP enabled. Configure the info on extender’s management page: Login into the management page of your extender. Start a New Thread 1 2 DHCP not working Dec 4, 2024 · Fix the frustrating "DHCP Lookup Failed" error with our step-by-step guide for Chromebooks and Windows. Forgetting network, reconnecting, restarting, restarting Wifi. I've had to replace 3 Wi-Fi laser printers as they refused to work well (replacing the unifi square ac, in the same locations) with the new nanos. You won’t Question: What is the make/model of your WiFi extender? Because it sounds like you're talking about a wireless router. 4 ghz network is working but I"m unable to connect to the 5ghz network though the extender. Sep 22, 2025 · Start by resetting your computer and router. Moreover, if a device made for the US is used in another country like Germany, then the device may have compatibility issues with the router. However, some issues, such as the DHCP Lookup Failed have been reported as a result of using these Whether your device cannot get an IP Address, it cannot access the internet. . I have been going through Samsung help for 2 weeks and they've just given up. Try best fixes to resolve DHCP lookup failed Chromebook error. Experience fast and stable internet with Linksys. If it does, you need a different (newer, or stronger) router, or move to a modern mesh system such as Google WiFi. The site had been having awful wifi problems, but we upgraded the switch, put in a unifi cloud key, and most importantly replaced the Nighthawk. Now the Wifi is solid, except for the Chromebooks getting the ‘DHCP lookup failed extender acts as a DHCP server and dynamically assigns TCP/IP parameters to client devices from the IP Address Pool when the router’s DHCP server is disabled. You can start a new thread to share your ideas or ask questions. Mad, these devices only have one job, to connect to the internet! Apr 16, 2024 · When configuring a range extender for the first time, you have to consider that it's DHCP server is set to Auto which may cause some network issues. Reasons may include bad settings, outdated software, or a mismatch with your router setup. Apr 3, 2025 · It could be because of many reasons, such as Wi-Fi setting conflicts or outdated software. My theory is that your new wireless device and your old device are both trying to act as a DHCP server. Nov 20, 2019 · Hi! I've been trying to connect to my home WiFi from my Chromebook but it wouldn't work (DHCP lookup failed). Feb 8, 2022 · the DHCP issues occurred with various devices using certain network cards. Might be more likely to find someone who has a solution if the question is posted Nov 8, 2024 · 3. 4 ghz network working but I'm unable to connect to the 5ghz "DHCP lookup failed" as the title says: EX6120 - the 2. Feb 3, 2020 · The chromebooks will connect to a hotspot, We did just upgrade to the Fortigate from a crappy Netgear Nighthawk. While this sounds complicated, it’s really not. Sometimes extenders can interfere with DHCP communication. Reconnect to the Wi-Fi Network Disconnecting and reconnecting to the Wi-Fi network makes the Chromebook request a new IP address from the DHCP server. However, if you are still having problems connecting to your network, you can try disabling your WiFi extender if you have one. Then try forgetting your Wi-Fi network and reconnecting to it. You can reboot your laptop, desktop computer, or other connected device and will be assigned an IP address that is required to use the network. In the bottom right corner of the screen, click the Wi-Fi icon, then click the name of the Jun 19, 2025 · Method 1 Please connect the computer to your main router with Ethernet cable or Wi-Fi, then check the IP info of your computer, If you don’t know how to check the IP address on a computer, please refer How to find IP address on your devices. This thread has been locked for further replies. An easy way to explain DHCP is that it automatically assigns IP addresses to devices connected to your network. 1# Restart Router; 2# Powerwash Chromebook; and more. I tried every troubleshooting processes available online: factory resetting my router/modem, resetting network settings on the chromebook, etc. If you add a mesh system, but be sure to change your existing router to "bridged mode". Reset your computer and router. If you have any "wifi extenders" in your home, they are frequently the cause of WiFi issues. Our guide details steps to troubleshoot and solve the DHCP lookup error, helping you enjoy a stable internet connection once more. A static IP and specific DHCP server settings on the extender will sort this out. DNS lookup error? DHCP warnings? Comprehensive DIY tutorial to fix all your connectivity problems on your Chromebook. Jan 2, 2019 · How did you setup the range extender ,it has the same SSID with the main router or it's different, it's suggest to create different SSID. When this happens, the device may default to a link-local address, allowing limited connectivity but lacking access to the full network or internet. However, when I turn on the RE205, it starts assigning IPs by itself using DHCP to other devices and creates an IP conflict and my whole network starts acting out. Restart Your Chromebook Check Your Wi-Fi Connection Check Your DHCP Settings Configuring DHCP Settings in Chrome OS Step-by-Step Guide: How to Configure DHCP Settings in Chrome OS operating system How to Fix the DHCP Lookup Failed Chromebook by Extending the DHCP Range? How to Access the Internet After Fixing the DHCP Lookup Failed Issue? Apr 16, 2019 · EX6120 - the 2. Apr 20, 2024 · Configure Your Chromebook Forget Wi-Fi Network: Go to your Wi-Fi settings, forget the network you’re trying to connect to, and then reconnect. Our article lets you know how to fix the DHCP Lookup Failed. Aug 29, 2025 · Solve internet issues with our guide on fixing DHCP errors. Not sure about the switch but can check later. Jan 13, 2022 · Netgear has set up a community forum specifically for the WiFi Extender products. Wi-Fi extenders – Wi-Fi Extenders have a history of not working well with Chromebooks. I am able to connect to other WiFi networks from this Chromebook, and I am also able to connect to my home WiFi from other devices, but it just doesn't work from my Chromebook I have a chromebook and when I try to connect with my wifi network it won't work and say "failed DHCP lookup" but I have an other wifi network that does work only it works terrible on the place I always do my work. If you can access your router’s web interface, make sure it has a full range of IP addresses. Sep 9, 2020 · By default, the internal DHCP of this extender should turn off automatically and the DHCP on the main router should be active. It looks like a problem common to Chromebooks. Get back online fast! Linksys offers the best wifi routers and mesh systems for reliable and seamless connectivity. Helpful? See full list on lazyadmin. Static IP Assignment: Manually assign an IP address, subnet mask, gateway, and DNS server in your Chromebook’s network settings to fix DHCP lookup failures. If you have your own WiFi router, and have plugged it into the router provided by your Feb 28, 2025 · If a device is not able to get an IP address when on a network, and results in DHCP Lookup Failed, then this post will help you fix it. While this was made to improve the user experience it also may cause some IP conflicts and network instability. All… Failed to connect to the network MyRouterSSID-ext DHCP lookup failed" while at the same time the light on the extender showing connectivity to the router briefly changes to red (fail in connection). I never had this problem, but from about 2 weeks ago, my Samsung Galaxy Chromebook 2 refuses to connect to my home wifi, giving me "DHCP lookup failed" error. May 28, 2024 · Now, restart your device and try connecting to your wireless network to check if the DHCP lookup failed problem on your Chromebook is resolved. This would create a conflict and would also explain why you're able to connect in bridge mode without issue. Most of the people who watch that forum are more likely to have experience with WiFi Extender products and know how to work it better than those of us who follow this router forum. Various things tried and firmware updates but they just don't like certain networks cards. Modem/Router Settings – Results in connectivity issues and a DHCP Lookup Failed error. This issue usually appears when the device is unable to get an IP address from your router. Oct 31, 2024 · Learn the steps to resolve the DHCP Lookup Failed error in Windows 10. nl Sep 4, 2020 · If you are using an extender or repeater, turn it off to see if it is contributing to your problems. If you are using a Wi-Fi extender, then remove the Wi-Fi extender as Chromebooks have a known history of having issues with them. May 25, 2023 · In some cases, the Wi-Fi extender and repeater can be the real reason for causing DHCP lookup failed error on a Chromebook. The Chromebook is the only device that fails to find the Wifi. If you’re using the extender or repeater when that error occurs, please try to connect your Chromebook directly to the Wi-Fi modem/router. Unplug them and see if that cures the problem. This was particularly after upgrading to the Unifi NanoHD APs. If all else fails, contact your ISP or network administrator. Currently setting up the Range Extender (it is one Jul 29, 2025 · When your Chromebook shows the “DHCP lookup failed” message, it means it can’t connect to the network. Method 4: Reconnect to Wi-Fi Method 5: Change the Wi-Fi frequency band Method 6: Increase the DHCP network address range Method 7: Disable VPN to Fix DHCP Lookup Failure on Chromebook Method 8: Connect without a Wi-Fi extender and/or repeater Method 9: Use Chromebook Connection Diagnostics Method 10: Remove all favorite networks Jun 2, 2024 · Disable Wi-Fi Extender: If you're using a Wi-Fi extender, try temporarily disabling it to see if the Chromebook connects directly to the router. Hi, my school recently started encountering an issue with the Chromebooks saying DHCP lookup failed when trying to connect to wireless. Other older laptops Oct 26, 2020 · First, the root cause is that the RE/clients failed to obtain an IP address from the Main router. However, these devices have also been known to cause certain errors like the DHCP lookup error. Fix: DHCP Lookup Failed in ChromebookMoreover, if you are trying to use a VPN, then disable the VPN client. Jan 4, 2025 · The "DHCP Lookup Failed" error occurs when a device fails to communicate with the DHCP server, leading to an inability to obtain an IP address. Step-by-step directions! Wi-fi extenders or repeaters are great when it comes to extending the Wi-Fi connectivity range. rm7gj rck 6m risv ffg py a1y dq3 gs frhf