Sudden high ping change,

Not necessarily the issue, but just pointing out that your PC is actually on WiFi. If you're ethernet to that WiFi extender then you might as well be USB connected to it. You're limited in stability and speed by that WiFi device. And in that same manner, you're subjected to issues that any WiFi device would have which include interference and congestion.

To know if its from using this extender device, ethernet cable directly to the router to see if the results are the same. If they are the same, then cable to your modem, if its the same even at the modem then its the modem or your computer. If you have a spare computer, cable it to the modem, if its working well then its your computer. Then you can look into all those things suggested above since you know for sure its related to your computer in some manner. If its not working well even on the second computer, then its your ISP or modem. So contact them.

If its better at the modem and gets significantly worse at the router then look into troubleshooting your router.

However, if it does improve by cabling to the router then look at running proper ethernet to your PC or troubleshoot your wireless extender.

I ran into a similar issue with my garage office. I ultimately decided to run an ethernet cable through my attic that connects to a linksys router setup in bridge mode to act as a wireless switch. Tedious, but I've had no issues in over 3yrs with using wifi and ethernet in here now.

While I don't provide hard fixes for the issue. This is a way of narrowing it down so you know what device is most likely the cause of the problem.

Hello, benjamin aberra

Welcome to the Microsoft Community.

Hello, thank you for your feedback here on your issue with a sudden high latency (ping) issue when you connect to a wired network via a Wi-Fi extender.

I will provide you with some steps to troubleshoot this issue on the network side:

1. Check the performance of the Wi-Fi extender

Interference: The Wi-Fi extender may be interfered by other devices (e.g. microwave oven, cordless phone, etc.) or other Wi-Fi networks in the vicinity, resulting in an unstable connection, especially when gaming.

Location: Make sure the Wi-Fi extender is in the right place - ideally, it should be halfway between the router and your computer to maintain a strong and stable signal. If it's placed too far away, the extender may lose packets, resulting in increased latency.

Firmware Update: Make sure your Wi-Fi extender's firmware is up to date. Manufacturers often release updates to improve performance or fix malfunctions.

2. Check Router Settings

Bandwidth Overload: Make sure there are no other devices in your home that are using a lot of bandwidth (e.g., playing videos online, downloading large files, etc.), which can affect your network speed.

QoS (Quality of Service): If your router supports QoS, try turning it on and prioritizing your gaming traffic to make sure your connection is getting enough bandwidth.

Ethernet port issues: Even if you're connected via a wired connection, try switching to a different port on your router or a different Ethernet cable to troubleshoot physical connection issues.

3. Run a Ping Test

You can troubleshoot the problem by running a ping test:

Open a command prompt (Windows: press Win + R, type cmd and enter).

Type ping google.com and press Enter to check if your internet connection is working.

Type ping 8.8.8.8 (Google's DNS server) to see if the same latency issue occurs. This will help determine if it's a local network issue or an external network issue.

If both tests show high latency, then the problem may be on the local network or on the ISP (Internet Service Provider) side.

If only Google's DNS is experiencing high latency, it may be an external routing issue (ISP related).

4. Update network drivers

Sometimes, outdated or corrupt network drivers can cause latency and unstable connections. Check if your network adapter driver is up-to-date:

Open Device Manager (press Win + X and select Device Manager).

Under Network Adapters, right-click on your Ethernet adapter and select Update Driver.

5. Perform a network environment reset.

A reset the network

1. Search CMD, open and find the command prompt (, to administrator) mode run
2. In the command box that pops up, enter the following commands in order (after each line has finished running, enter the next one)

ipconfig /release

ipconfig /renew

ipconfig /flushdns

ipconfig /registerdns

netsh int ip reset

netsh winsock reset

netsh winhttp reset proxy

3. Restart the computer to see if the problem can be solved.

B.Reset network settings

Tap windows+R, type inetcpl.cpl, open Internet Options, click Advanced, and check “Use SSL 3.0” and “Use TLS 1.0”, “Use TLS 1.1”, ‘Use TLS 1.2’, reboot the computer after the application to see if the problem can be solved.

C.Reset Proxy Server Settings

Click windows+R, type inetcpl.cpl, open Internet Options, click Connections, click LAN Settings, check whether the Proxy Server column is checked, if so, uncheck it and click OK, restart your computer after applying it to see if the problem can be solved.

D,Change DNS

1. Click windows+R and type ncpa.cpl.
2. Click on the name of the network you are now connected to, open the Network Status window, click Properties, and then double-click Internet Protocol version 4 (TCP/IPv4) in the Network Properties window.
3. Manually set the DNS servers to “4.2.2.1” and “4.2.2.2” and restart the computer to see if the problem is solved.

You can try it out by referring to the steps above, and after that, give some feedback and I will further support you.

Best regards

Bobhe | Microsoft Community Support Specialist