WiFi Speeds Really Slow After New Graphics Card Install

My problem arose when I installed my "new" graphics card (R9 280x). I had a HD 7770 installed previously with no problems. But once I put the new card in I wasn't able to get speeds above 400 Kbps but it settled at around 100 Kbps. My normal internet speed is around 800 Kbps. I am only getting about 1-2 bars with the router on the floor above my computer but directly on top of it. I usually get all 4 bars when using my computer. So I installed the drivers and that didn't fix the problem. I read a little into this forum: http://www.techsupportforum.com/forums/f31/solved-6th-clean-install-slow-internet-speed-issue-868394.html But my computer doesn't have AQS installed on it. I tried to install it from the AMD website and it says I don't have the supported hardware. Every other device on the network works fine it is only my computer that is having a problem. I booted it in safe mode and the problem still exists. I did move my system from the case it came in. It was a prebuilt system (Dell Inspiron 660). I moved it from the case it was in to the NZXT S340. Could the case be messing with the wifi receivers in the case? Any help will be highly appreciated.

CPU: i5 3330
GPU: Powercolor R9 280X
RAM: 8gb of DDR3
Motherboard: Stock Inspiron 660 motherboard
PSU: EVGA 750 B2
Windows 10 Pro
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More about wifi speeds slow graphics card install
  1. What wifi adapter is in use: USB, built-in?

    Take a look at what your computer is doing via Task Manager, Performance Monitor, and Resource Monitor.

    Determine if there is indeed some resource conflict between the graphics card and the wireless adapter.

    You must methodically set up testing to narrow things down to some specific culprit.
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