Connect directly to the AP with a cat5 cable,
you need to set a static IP in your laptop.
Start > control panel >netwrok connections> right click on your LAN icon > properties
In the main box, highlight "Internet Protocol/TCP/IP ", then click on properties.
Check the button "use the following IP address"
Put these settings in:
IP = 192.168.0.100
Subnet mask: 255.255.255.0
Then go to your browser and type in 192.168.0.50. This should get you into the setup page.
There you have to inputer the routers wirteless MAC address in the box labeled "repeater mode"
You may need to update the AP's firmware, here is how to do it:
copy and paste the link into your browser.
If I could be of further assistance, let me know. If this helps or solves the issue, please rate it.