Please do try to uninstall/reinstall the Bluetooth Driver of your laptop that may help.
- First is to open Device Manager and uninstall the Bluetooth Driver.
- Once uninstalled, download and install the latest driver.
- Here's the link: https/www.asus.com/ph/Notebooks/X453MA/HelpDesk_Download/
- Just select the correct driver for bluetooth.
- Once installed, reboot your laptop and test it again after the reboot.