frostyck

What distro are you using?

It is your video card. Update your drivers Does the green pixels appear any other time?

If you have a virus, you would see some other effects. You probably have processes running in the background. Use task manager to clear them out

Are you using wireless or Ethernet?

It sounds like you put the computer together wrong. Try putting the computer on a test bench (or motherboard box) and play around with it.

You should understand about electricity Your PSU cant even power the computer...... It cannot POST

Ok o have you checked your data usage? Some applications push data back and forth in the background, add many of those small apps and you could be looking at alot of data trying to cram through one space. that = bad. Use a network monitor to check how much data you are pushing in and out.

in your network and sharing center.. go to properties of your internet network (Ethernet in my case)and enable sharing with the hotspot network you have created.

Also, try using ethernet and see if you can connect.

Are you on a VPN? If so, re-install the vpn client.

Are there any applications fighting for bandwith? are you running 2.4ghz or 5ghz? We need some more information.

Well unfortunately that explains the problem. The GPU is struggling to keep up with current generation games. This would account for the bottleneck. Simply an older system. No worries, 60FPS is still not terrible.

No. In fact i just installed one of these in my own home last night. (Different model)

It could simply be that your card is trying to tell you its on its death bed. Try running a benchmarking test on the GPU. Also, Try installing the card into another machine if possible and do a benchmark.

Normally, i never post links, but this is the easiest way to clear up any confusion. http://www.edimax.com/edimax/mw/cufiles/files/download/manual/EW-7288APC_User_Manual_English.pdf Check it out.