Everytime i try to connect to internet using wifi i type the password, Xubuntu tries to connect for a little while and then asks me the password again. I'm using a D-Link modem/router.
Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8191SEvA Wireless LAN Controller [10ec:8171] (rev 10)
Subsystem: Hewlett-Packard Company Device [103c:1467]
Kernel driver in use: rtl8192se
lspci -knn | grep Net -A2
terminal command.