For your second problem. Go to your command line. Type "sudo raspi-config" This should bring up a blue screen. Select the first option "Expand filesystem". This will give you all the space on the SD card.
EDIT: Looked at the FAQ and found this (problem 1) If there is no video using a HDMI to DVI lead or adapter, edit /boot/config.txt and uncomment
# uncomment for composite PAL (color) sdtv_mode=2 #sdtv_mode=0 Normal NTSC #sdtv_mode=1 Japanese version of NTSC – no pedestal #sdtv_mode=2 Normal PAL #sdtv_mode=3 Brazilian version of PAL