Intermittent loss of connection to the network?

Question

Computer networks

on some laptops, the connection to the Internet and the shared folder periodically disappears. Previously, all problem computers were connected to one Wi-Fi. First I transferred one laptop to another Wi-Fi, it helped. translated the rest - they still lag. checked for viruses. Each has its own static IP. when you connect computers by wire to the same wi-fi - everything flies. changed wifi channel. reflashed wi-fi. help advice.

Answer 1

Corporate network and WiFi are incompatible things.
This is the solution.
Leave maybe WiFi to the director, and the rest - to the wires. And better and the director on the wire. There will be fewer problems.