This is often a BIOS or physical switch issue. Ensure your Wireless is "On" using F7 or the dedicated hotkey on the keyboard.
Finding the right Bluetooth driver for the Lenovo G500 on Windows 10 can be tricky because the official support page primarily lists drivers for older operating systems like Windows 7 and 8.1. However, several verified methods and official driver packages exist to ensure high-quality connectivity on Windows 10. Recommended Official Drivers lenovo g500 bluetooth driver for windows 10 extra quality
To check: Right-click → Device Manager → Bluetooth or Unknown devices . This is often a BIOS or physical switch issue
Broadcom or Atheros Bluetooth Driver for Windows 8.1 (64-bit). lenovo g500 bluetooth driver for windows 10 extra quality