1. You can open [networks and sharing centres] to see if the wireless network adaptor is disabled, with the right key only
2. Check the [attracts] of the adaptor, select [tcp version 4] and then choose to get the ip address automatically and the dns server address automatically
3. The use of computer housekeeper software to ensure that computer services are properly turned on, and whether another wifi can be connected if it remains unconnected to try to use the exclusion
That's the answer to why the computer doesn't connect to the cell phone hotspot, and i hope it will help you。
