rebooted my routerbut my computer cannot connect.help

[dennis7]

i have a d link di 634 m. after i rebooted everything works fine but i cannot connect. i try but it says cannot connect. i have windows seven and i have no passwords set whatsoever. what could be the problem.

 

[IggyAZ]

i have a d link di 634 m. after i rebooted everything works fine but i cannot connect. i try but it says cannot connect. i have windows seven and i have no passwords set whatsoever. what could be the problem.

Hi Dennis.
Is this also related to your other question about wanting to change your MAC address. You need to consolidate your problem instead of writing multiple questions around.