Check for driver updates. Sometimes checking for driver updates may include support for Hosted Networks (or AP mode). You can check for driver updates by either visiting the computer manufacturer’s website or the wireless adapter manufacturer’s website. After updating your wireless driver check your driver information again.
Adding a USB dongle to the computer. In the event updating your wireless driver did not help then you’ll need to purchase a USB WiFi dongle that supports WPA2. Majority of USB wireless dongles today support Hosted Network so any one of your choice should be fine.