WiFi Card Problem - URGENT HELP PLEASE!

Apr 10, 2018
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So I have just built my first PC, I had some troubles with the WiFI Card (TP-Link TL-WN881ND 300MBPS), I managed to download all the drivers and then the internet was working - However, it is incredibly slow (0.5MBPS) compared to my Laptops wireless connection (Mac Air) that gets 40 MBPS.

I'm not sure what to do as I have tried all troubleshooting ideas from all other forums such as updating drivers etc.

Please help!! Thank you.