I am using TP-link TL-WR1043ND wireless N gigabit router. When I made wireless connection on my Dell Latitude E4300 laptop (with Intel WiFi Link 5100 adapter, using WPA2-PSK), it can only connect at 130MB. It doesn't seems trying to connect at 300MB. I checked on the router, the max transfer rate was already set to 300MB. Is there any additional setting required?