To check your hardware, right-click the button, open Device Manager , and look under Bluetooth or Universal Serial Bus controllers for any "Unknown Device". Step 2: Download the Driver

In , right-click the "Unknown Device" or the Bluetooth adapter with an error. Select Properties > Details tab. Change the dropdown to Hardware Ids .

Windows 10 prioritizes newer Bluetooth stacks (4.0+). The K53S typically uses Bluetooth 3.0 or 2.1 modules. Microsoft’s generic inbox driver does not support the specific hardware IDs of these legacy modules.

Since the Official ASUS Download Center usually only lists drivers up to Windows 8 for this model, try these steps in order:

✨ If you cannot get the internal card to work after 15 minutes of troubleshooting, buy a $10 USB Bluetooth 5.0/5.3 adapter . It will provide better range, lower latency, and immediate Windows 10 compatibility without the driver headache. K53SD - Техподдержка - ASUS

To resolve the issue, you'll need to download and install the correct Bluetooth driver for your ASUS K53S laptop. Here are the steps: