hello.i m a braodband user.but currenly due to being banned in one of game forum i need to re register again .so i need to change my mac address which is suposedly recorded on lan card .so in order to hide mac address can i simply deactive the lan card from the compuetr insated of manually removing it from the cpu as mine lan card is fixed to the cpu.and again then can i actiavte the lan card.