This can be because the computer is overheating, causing the wireless card to fail or the signal to become weak. It is recommended to clean the dust inside the computer and install a radiator, and adjust the location and channel of the wireless router to improve the wireless signal quality. If the problem persists, consider replacing the wireless card or contacting a professional to check for damage to the computer hardware.
It is recommended to consider updating the NIC driver, the next driver life 5, a key repair driver, and then test it, in theory, the temperature will not appear such a problem, I hope to help you.