Phone hotspot is not turned on.
Please make sure that the phone hotspot function is turned on before using it. Find the "Move Hotspot" option in the phone settings, turn on the function, and then select "Turn on Hotspot".
The computer can't find the wireless network.
Make sure the computer's wireless network is turned on. If no other wireless network can be found, there is something wrong with the wireless function of the computer.
The distance between devices is too far.
If the distance between mobile phone and computer is too far, it may affect the quality of hotspot connection. Put the phone and computer as close as possible, and then try to connect again.
Computer driver problem
If the wireless device driver of the computer is not installed or expired, it may cause the hotspot to disconnect. Please update the wireless device driver.
exceptional case
If all the above methods are ineffective, it may be because the systems or versions used by the mobile phone and the computer are incompatible. You can try to update the system or replace the equipment.