Update README.md

README.md

@@ -274,6 +274,8 @@ ls -l /dev/serial/by-id
 ```
 Example Output: ```lrwxrwxrwx 1 root root 13 Jun 19 17:30 usb-1a86_USB_Serial-if00-port0 -> ../../ttyUSB0```
  
+ If you are having diffucuilty with device pass through or starting check the [Alternative method](https://github.com/tteck/Proxmox/blob/main/Alternative.md)
+
 :warning: **Before you can start Zigbee2MQTT you need to edit the [configuration.yaml](https://www.zigbee2mqtt.io/information/configuration.html)**
 ```
 nano /opt/zigbee2mqtt/data/configuration.yaml