Usually, linksys ip is 192.168.1.1, dlink 192.168.0.1
Make sure your pc is set to an ip address within the ip range of the dlink router.
To be sure, open the control panel, doubleclick the Network Connections, doubleclick your connection, click properties.
Select Internet Protocol (TCP/IP) in the listbox and click properties.
Select "Use the following IP address".
Enter the following settings:
IP Address:192.168.1.1
Subnet Mask 255.255.255.0
Default Gateway: 192.168.1.1
Below, Preffered DNS 192.168.1.1, Alternate leave blank
Click ok until the window close. This may take a moment.
After this, enter in your browser
http://192.168.1.1 and you should see the settings of the router.