Hi there,
Sorry for the trouble.
Please send us a picture of SN on the bottom of the PC and a picture of the purchase record.
Here are the possible solutions :
① Please clear the CMOS. Please turn off the PC , unplug the power supply, and press the CMOS button (or poke the hole of CMOS with a pin) for about 10 seconds . Next, restart the PC after ten minutes. Here is the tutorial [ https://mega.nz/file/2nIRGaYI#M2aIM2bkOJshrhE8sK8MNiKopfyHlqyjnn86TypZp2w]or [https://url.bee-link.cn/5FdW]
② Please go to the device manager to check if there is bluetooth driver, if no, please update the driver. Here is the driver source :https://url.bee-link.cn/wPts
③Please right click the windows–computer management–double click Services–bluetooth–start the service.
④Please right click the windows —setting -troubleshooting —other troubleshooters— bluetooth—run , let the PC diagnose the problem and solve it automatically.
⑤Please go to the windows terminal (admin) > type in : sfc /scannow > then wait until finished.
⑥.Please try this software [https://mega.nz/file/X7hGVZwb#1tA5wEJhxH8BDtKxeB5qS2ZiIEUByAVZoOnzhSf4-Pg] or [https://url.bee-link.cn/meE5]
⑦ Please go to device manager , right click the Bluetooth device to enable it.