My own little story and solution to this problem.
I bought a new laptop that came in yesterday. It came with Windows 8 pre-installed so first thing I wanted to make sure was it ran some of my games fine with no problems. I wasn’t going to bother with all my steam games so I only downloaded 2 games to try out asap; League of Legends and Guild Wars 2.
Yesterday night I played a game of LoL with no problems. Everything ran perfectly fine and I was quite happy with my new purchase. Till about an hour and a halkittenhough I had not tried running GW2 yet so I decided to hop on. Everything looked great and I could move just fine with no lag/delay what so ever. I tend to use my skills to cover more distance when I’m not in battle so I went to use a skill and noticed there was a delay activating it. I then proceeded to try other skills with the same results. At this time my character’s movement continued to work fine with no delay so I attempted to change the in game graphics settings. Problem continued. From there I did a google search and found several threads much like this one so I started messing with things. I right-clicked the GW2 client and changed properties to run on compatibility mode with windows xp and run as an admin. Still didn’t work. Several other similar attempts failed and then I figured I’d check my Nvidia settings. The settings were on ‘Auto-Select’ so I simply changed that to ‘High-performance NVIDIA processor’ and ran the game again. Problem solved.
tl;dr:
Seems my laptop was running GW2 on the intel graphics and setting the laptop strictly to Nvidia gpu fixed things for me.
Quick SS of what I changed for those who might not know what I’m referring to:
http://oi50.tinypic.com/2lj6ur8.jpg
Hope this helps some of you folks having this same issue.
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