Just double check the data cable has not been knocked out of the drive in transit, as this is the largest cause of DVD drive problems.
The Smaller L shaped connector, on the picture it is on the right.
If it is connected, try disconnecting it and reconnecting it
There is a picture of the motherboard.
The black plastic port with the gold round connector is the wireless card. (Just right of your USB 2.0 "Black ports")
Hello there,
What wireless device are you using to connect to the internet, as at the time of ordering you specified no additional wireless device.
The windows key should look similar to the above and is normally located on the back of the PC or on a case side.
Hope this helps!