Guild Wars 2

Ok so i run my Gw2 on my Laptop. I recently got a monitor and now i just use the monitor and close the laptop. But for some reason my Gw2 is crashing. My computer screen just goes black and then shuts off then i turn it back on and its frozen on Gw2. I had no problems at all running it before…whatsoever. Never has it crashed once. Now that i have this monitor hooked up it crashes. I can’t reverse back to my old set up without a monitor cause i want to use this monitor. So what is the problem here?
Any suggestions would be great.

I say two things in the map chat…and my chat is suppressed. For dungeons this is extremely annoying. I’m not even spamming..i say what i say and then 20 seconds later i say it again. Then i am muted…this is really messed up. Fix it please or increase the amount of things said before being muted.

Some dynamic events in bloodtide coast are really bugged. They never start or they start but are impossible to finish due to monster count rising instead of decreasing.
The River Drake Skill point. Near Lostwreck waypoint you cannot finish for some reason. I killed it and it said 0/2 and i can’t kill it anymore.