Introduction
When you can't download the game you just have to have follow this guide to replace your Wi-Fi card.
Step 1 Top Panel
Push the Spudger into the crevice between the grated top panel of the Xbox and the bottom body with the rubber feet.
Pull back on the spudger like a lever, keeping it pressed firmly into the crevice.
Step 2
Slide the spudger along the separation you have created between the grated panel and the bottom body of the Xbox.
Periodically pull back on the spudger like a lever, keeping it pressed firmly into the crevice.
Step 3
Continue sliding the spudger along the perimeter of the left grated face of the Xbox.
Pull the top panel off.
Step 4 Wi-Fi Card
Remove the 11 mm screw left of the green wifi-card using the T9 Torx screw bit.
Step 5
Firmly grip the green Wi-Fi card and pull it out of the Xbox.