here's a shortcut:
go to the computer put pw(zoe)
then go to the poster click on the
bottom left corner of the poster
you'll see a safe click on it then
get the power box then get the
two batteries one is under the
bed and one is by the CPU
go to the back of the desk
then put batteries into remote
then put power supply at the left side
of the T.V now use the remote
and put channel 911 then it'll
say error 862 go under the carpet
put 862 then click on it again and
well done you've completed puzzled 4!