150Mbps USB Wireless Network Adapter, LOTEKOO USB WiFi Adapter LAN Network Card Wi-Fi Dongle for Desktop Laptop PC Windows 10 8.1 8 7 XP Vista MAC OS

My laptop has had iffy WiFi connection and after suspecting that it was because of a burnt out WiFi card, I looked to the internet for a solution. I decided to give this USB adapter a go because of the positive reviews ive seen here. However the outcome of this so far has been mediocre. I got the package today in the mail and it came with a nano usb and a driver disc. This is advertised to work for Windows 7/8/10. My laptop is windows 8.1. There was no instructions on how to run the system. I opened up the files and looked around. Finally was able to run the driver but as soon as I plugged the usb in I got a blue screen. My laptop restarted and blue screened again!