Debian 11设备LAN正常但Wi-Fi无法联网的故障排查求助

Hey everyone, I'm stuck with a really weird Wi-Fi issue on my Debian 11 machine and could use some help working through it. Let me lay out the details clearly first:

• My internet works perfectly when connected via a LAN cable, but this specific Debian 11 device can't access the internet over Wi-Fi at all.
• It used to function normally, but stopped working suddenly with no obvious trigger.
• All other devices on my network connect to the same Wi-Fi network without any problems.

Troubleshooting Steps I've Already Completed: #

• Restarted both my router and modem multiple times
• Rebooted the Debian 11 device several times
• Forgot the Wi-Fi network and reconnected using the correct password
• Checked router settings to confirm MAC address filtering isn't enabled
• Double-verified I'm using the right Wi-Fi password
• Updated my Wi-Fi drivers to the latest available versions

Despite all these efforts, the Wi-Fi connection on my Debian device remains inactive. When I run traceroute 192.168.1.1 (my router's default gateway), I get no response whatsoever.

I'm hoping someone here has faced a similar issue or can point me toward additional troubleshooting steps to diagnose and fix this. Any insights, suggestions, or specific commands I should run would be incredibly appreciated!

Thanks in advance for your help!

备注：内容来源于stack exchange，提问作者itsmepvr