Right-click on the Bluetooth adapter (or Unknown Device) and select . Navigate to the Details tab.

Once you've downloaded the correct Bluetooth driver, follow these steps to install it:

: This is by far the simplest and most reliable fix. A small, inexpensive USB dongle (also known as a "Bluetooth adapter") plugs into one of your laptop's USB ports and instantly adds Bluetooth capability to any computer, regardless of age. It's a plug-and-play solution that circumvents all driver headaches.

If you are running Windows 10 or 11 on this older laptop, the drivers on the Acer site (likely labeled Windows 7 or 8) might fail to install.

Ensure the physical Bluetooth switch (if applicable) is on, or check to ensure the toggle is on. 2. Reinstall the Driver If the update failed, uninstall the driver first: Go to Device Manager .

: Use the Acer Product Support Page and enter your serial number or SNID to find the exact driver matched to your hardware.

Locate the downloaded file (usually in your Downloads folder).