- When you go to Device Manager, do you see a Bluetooth category or any Unknown devices under “Other devices”?
- Did Bluetooth ever work on this system before, or has it never been detected?
To verify whether your system includes Bluetooth hardware
Press Win + R, type: msinfo32
and press Enter.
Go to Components > Network > Adapter.
Scroll through the list and check if any entry mentions Bluetooth.
For your model (Lenovo ThinkCentre M70q Gen 3). It usually comes with Bluetooth integrated in the Intel Wi-Fi module, but some variants ship without wireless/Bluetooth (especially business models).
You can confirm by checking Lenovo’s site using your serial number > https://support.lenovo.com. Under Product Details > Networking, it will list whether Bluetooth is included.
Product specification reference: https://psref.lenovo.com/syspool/Sys/PDF/ThinkCentre/ThinkCentre_M70q_Gen_3/ThinkCentre_M70q_Gen_3_Spec.pdf