Gentlemen, if I may, please take a look at this link;
http://www.subsim.com/radioroom/showthread.php?t=116070
This guy stumbled across a tip, that should not be necessary, but I've tested it and I swear by it. I've experienced all of the above, and then some! I'm sorry the above thread didn't get more hits. It only take a few seconds to try this, I think it will help! Good luck!!
