My Wireless Internet Connection Cuts out Extremely Often?

[293]

I have bought a new PC recently (just after Christmas) and after a couple of weeks of owning it I begun having a problem with my internet connection, just to clarify before I go any further, theses are my system specs:
Company (If it matters) CyberPower Inc.
Processor AMD FX 4350 Quad-Core 4.2GHz
Ram 8GB
Operating System Windows 7 Home Premium 64 bit
Graphics Card Nvidia GeForce GTX 650 2GB
Hard Drive 2TB
Network Card PCIe
Motherboard GigaByte (the company) 78LMT-USB3
Also my internet is BT Infinity with the HomeHub 3 (not the 4th latest one)

It seems that every so often my wireless connection cuts off/drops out, I have to manually reconnect each time it does this. It mostly does it when I am playing an online game (Gmod, Minecraft, Arma 2, GTA IV etc.) at which point it will work for around 10-15 minutes without an issue but then it will start cutting off very rapidly, each time I tab out of the game and reconnect. At the start it only did it every 10-15 minutes but now it is under half a minute before it does it again, sometimes it will take me another minute or so to be able to reconnect, as all of the available WiFi networks keep appearing and disappearing.
I have tried to find out a solution many times, I have tried changing many settings of my wireless card and lan settings, such as disabling/enabling most combinations of settings; I have also tried disabling antivirus, disabling hamachi, closing all open programs etc but all have no effect.
I have made sure that all power saver settings are disabled so that my card is on CAM (Constantly awake mode) to try and stop the card itself from being the problem... again this does not work.
A wired connection would be possible if I purchase a new cable, but I would really like to avoid this.
The antennae-type things coming from the PCIe are facing into the wall, which I may have though could block the signal somehow by I'm not entirely sure.
I have tried changing the channel of my Internet multiple times which has had no effect also.
When I run an internet connection test my results are:
Ping - 23ms
Download - 27.1mbs
Upload - 5.5mbs
When I am not using the internet for gaming it does not disconnect nearly as often (around every hour when not even browsing, around every 30-45 mins when using internet browsers for streaming, viewing pictures etc.) I am starting to thing that it could be some problem with my PC hardware as there are many different PCs consoles and other devices connected to my WiFi without any problem, and my PC is the only one facing this issue.
If you have had (or are having) the problem or have any ideas that are not already mentioned PLEASE tell me; I think I have covered all of the ones that I have already tried.
Thanks in advance, and thanks for reading if you have

[Eric]

Either your network card, or your USB adapter. Get a new one.