双启动安装Kali Linux后无法使用WiFi的问题求助

Hey there, let's work through this WiFi problem you're facing with your dual-boot Kali setup. I’ve helped troubleshoot similar cases before, so here’s a step-by-step breakdown to get your wireless up and running:

1. Verify Hardware Recognition First #

First, confirm that Kali actually detects your wireless adapters. Run these commands in the terminal:

• For your built-in WiFi (wlan0): lspci | grep Network
• For your USB WiFi adapter (wlan1): lsusb | grep Wireless

If the USB adapter doesn’t show up, try unplugging and re-plugging it, or rebooting your system. If it still doesn’t appear, there might be a kernel module issue we’ll address later.

2. Unlock Soft-Blocked WiFi Adapters #

Dual-boot setups often leave WiFi adapters in a soft-locked state from Windows. Check this with:

rfkill list all

If you see Soft blocked: yes next to your adapters, unlock them with:

rfkill unblock wifi

Run rfkill list all again to confirm the block is removed.

3. Manually Bring Up the Wireless Interface #

Since ifconfig isn’t showing your adapters, try manually enabling the working USB adapter (wlan1, which worked in live mode):

ip link set wlan1 up

Then check if it appears with:

ip addr show wlan1

If you get an error like "Operation not possible due to RF-kill" or "No such device", go back to step 2 or check your driver status next.

4. Ensure Correct Drivers Are Loaded #

Your USB adapter worked in live mode, so Kali has the necessary drivers—they just might not be loading automatically in the installed system.

1. First, get your USB adapter’s exact model from the lsusb output (e.g., "Realtek Semiconductor Corp. RTL8188CUS 802.11n WLAN Adapter").
2. Install the corresponding DKMS driver package. For example, for Realtek adapters, common packages include:

   apt update && apt install realtek-rtl88xxau-dkms
   

   Adjust the package name based on your adapter’s model.
3. Load the driver module manually if needed:

   modprobe <driver-module-name>
   

   You can find the module name using modinfo | grep <adapter-model>.

5. Fix NetworkManager Interference #

If you edited /etc/network/interfaces manually, this might conflict with Kali’s default NetworkManager setup.

1. Open the file with a text editor (e.g., nano /etc/network/interfaces) and comment out any custom WiFi configurations you added (add a # at the start of each line).
2. Restart the NetworkManager service:

   systemctl restart NetworkManager
   

3. Check the network icon in the top-right corner—you should now see available WiFi networks if everything worked.

6. Check BIOS/UEFI Settings #

Some systems block WiFi adapters or prevent unsigned drivers from loading via:

• Wireless Toggle: Ensure the WiFi switch in your BIOS/UEFI is set to "Enabled".
• Secure Boot: Disable Secure Boot, as it can block Kali’s open-source drivers from loading. Most dual-boot setups require this for full hardware compatibility.

7. Test the Connection #

If your wlan1 interface is up and running, scan for networks with:

iwlist wlan1 scan

Then connect to your network either via the graphical interface or using this command:

nmcli dev wifi connect "Your-WiFi-SSID" password "Your-WiFi-Password"

内容的提问来源于stack exchange，提问作者user869717