Hello,
Follow the steps below to troubleshoot your concern:
- Press Windows key + X > Device Manager.
- Expand Network adapters.
- Right click on your Wireless LAN Network Adapter > Properties > Advanced tab.
- Select 802.11n Channel Width for 2.4GHz.
- Set Value to 20 MHz Only.
Note: Once connected to the network, update your driver.
Let us know how it goes.