This Post Provides You Troubleshooting Steps To Fix When WIFI 6 Mediatek MT7921 Is Not Working With Error Code 10/43, It Will Help You To Fix Connections Problem WIFI Mediatek MT7921 Adapter On Windows 10/11 PC.
You can also watch the video provided below to perform these steps:
Step 1) Perform Power Cycle
Shut down your computer, unplug the power cable, press & hold the power button on your PC for few seconds, turn off WIFI router, wait for few seconds, restart your WIFI router and then restart your computer.
Step 2) Check System BIOS
Make sure WIFI is on in system BIOS, start your PC and immediately tap BIOS key (Such as F2), find wireless option and make sure it is On.
Step 3) Run Network Troubleshooter
Windows 11- Open Settings/System/Troubleshoot/Other Troubleshooter/Network Adapter/Run
Windows 10- Settings/Update & Security/Troubleshoot/Additional Troubleshooter/Network Adapter/Run the troubleshooter
Once troubleshoot is complete, restart your PC and check the connection
Step 4) Run These Commands
Type in CMD in Windows Search box, make a right click on command prompt app and Run as administrator. Copy and paste all the commands one by one and hit the Enter key , run all the commands provided below:
netsh winsock reset
netsh int ip reset
Restart your PC and check your internet.
Step 5) Disable & Enable Mediatek MT7921 Adapter
Make right click on Windows Start menu and open Device Manager, find Mediatek MT7921 adapter under Network adapters, make a right click on Mediatek MT7921 adapter, click in Disable, now again make a right click to Enable it.
Step 6) Start WLAN AutoConfig Service
Type in Services in Windows Search box, find WLAN AutoConfig, make a double click on it, set Startup type as Automatic, click on Apply, click on Start if highlighted and then click on OK.
Step 7) Perform Network Reset
Before performing Network Reset make sure you have the WIFI password.
Windows 10- Go to Settings/Network & Internet/Network Reset
Windows 11- Settings/Network & Internet/Advanced Network Settings/Network Reset
Step 8) Reinstall Mediatek MT7921 Driver
Before uninstalling network driver make sure you have the WIFI password.
Make right click on Windows Start menu and open Device Manager, find Mediatek MT7921 adapter under Network adapters, make a right click on Mediatek MT7921 adapter and click on Uninstall, after uninstall restart your PC, now connect your network.
Step 9) Set Wireless Adapter Settings to Maximum Performance
Type in Control Panel in Windows Search box to open Control Panel, go to System And Security/Power Options/Change Plan Settings/Change Advanced Power Settings/Wireless Adapter Settings/Power Saving Mode/On Battery:Maximum Performance & Plugged In : Maximum Performance
Step 10) Install Network Driver
Install Wireless driver from your system manufacturer website, connect Ethernet cable and go online, in case you don’t have Ethernet cable or computer does not have an Ethernet port then use another computer with internet access and download the wireless driver to the USB flash drive/hard drive and use the USB flash drive/hard drive to install the wireless driver to the faulty computer.
Step 11) Update system BIOS
Use Ethernet cable or download BIOS file (On another PC) to external storage device and then update the system BIOS
Step 12) Reset Your PC
(Reset may result in data loss so create a backup before the reset)
Windows 11: Settings/Windows Update/Advanced Options/Recovery/Reset This PC
Windows 10: Settings/Update & Security/Recovery/Reset This PC
So One Of The Step Shown In This Article Should Help You To Fix When WIFI 6 Mediatek MT7921 Is Not Working With Error Code 10/43, It Will Help You To Fix Connections Problem WIFI Mediatek MT7921 Adapter On Windows 10/11 PC.