So, I just noticed this and im not sure what the cause is. The shadows are like broken lines, its not smooth. Please help!! Here's the vid of the shadow thing im talking about, look at the shadow on the arms, fullscreen the video and you'l...

So this is a weird predicament I have. When warming up on DM I'll notice after about 10 minutes my right hand (mouse hand) will start to get sore/cramp up. This doesn't happen in regular comp or unrated at all, only deathmatch. Does anyone...