Solved: Wireless Problem (turnig on my wireless network)

Hi! i really have a big trouble at my wireless connection. i cant enable my wifi by using Fn. and when i try enabling my wireless connection trough control panel, my laptop started hanging and i can't use it any more. so i have to force turning it of and i have to restore the system trough safemode. i have to do it to enable to use my laptop again.. im using Windos 7 my laptop is MSI GE700

Hope someone could help me . =(