Wireless Network Card DualBand Bluetooth Wifi Module for Lenovo ThinkPad X250 T450 T550 Item Type: Wireless Network Card Model: 7265NGW AC-7265 Compatible Models: For ThinkPad (Machine Type: 20CG, 20CH) For ThinkPad L450, L550 For ThinkPad T450 T450s T550 T550s For ThinkPad W550 W550s For ThinkPad New X1 Carbon (2015 model) For ThinkPad X250 X250s For Lenovo YOGA 12/Yoga 14/YOGA15 etc. For ThinkPad E450 E550 E450c E550c E555 For Lenovo G70-70 G70-80 Z70-80 M50-70 M50-80 How e: 1. Use a small screwdriver to open the back cover of the laptop and find the wireless network card (the wireless network card is square and has two black and white wires connected) 2. Use a screwdriver to unscrew the fixed screw, put it aside, and save it 3. Remove the old wireless network card and replace it with a new one, return to the installation according to the original disassembled route, and fix it. 4. Then boot up and install the driver automatically (the driver can be matched by the supplier according to the customer's computer model)