Answer: Tell him to check whether the wireless card's hardware switch is turned on.
Explanation: If a group of sales team member have arrived in the new city presently and till a-day-before , their wireless connection was working properly .The the first step should be to ask them to check whether the hardware of wireless card is switched-on or not.
Even though all the configurations of the device are properly connected ,it won't work until the switch of the hardware is on position .this will turn-on the device and then only wireless connection can work.
proprietary colony. a colony with a single owner. William Penn. famous Quaker Englishmen who owned a lot of land; present day state named after his lands