Already search through internet for those 2 issues and here comes nothing.. tried mess with mtu,DMZ and didn't work. already using wired connection. My router is tp link tl-wr 340g/tl-wr340gd .. my download speed is up to 10Mbps . Then i tried to change my internet using portable modem, download speed average 14Mbps and when i play online , here comes input lag. But when offline is fine. Seriously there's isnt any solution with this common issues ??? i really really appreaciate it if someone can help me to fix it .