Advanced Computer forgot to turn on redstone?!?!

Whenever I rumn my script the computer dosn't activate any redstone, I have a line to verify a valid signal:

print("Comp#: " ..id .. "> " .. text)

It recieved the signal perfectly, but it still won't work.
Lua:

print("Terminal Application")
rednet.open("bottom")
while true do
event, id, text = os.pullEvent()
if event == "rednet_message" then
  print("Comp#: " ..id .. "> " .. text)
  if text == "N" then
   if rs.getOutput("top") then
	rs.setOutput("back", false)
	rs.setOutput("left", false)
	print("NORTH")
   elseif text == "W" then
	rs.setOutput("back", true)
	rs.setOutput("left", false)
	print("WEST")
   elseif text == "E" then
	rs.setOutput("back", false)
	rs.setOutput("left", true)
	print("EAST")
   else
	print("Invalid Signal")
   end
  end
end
end

Split into new topic.

Because of the way you have your code structured, the only parts of the code it can reach are:

print("Terminal Application")
rednet.open("bottom")
while true do
 event, id, text = os.pullEvent()
 if event == "rednet_message" then
  print("Comp#: " ..id .. "> " .. text)
  if text == "N" then
   if rs.getOutput("top") then
    rs.setOutput("back", false)
    rs.setOutput("left", false)
    print("NORTH")
   else
    print("Invalid Signal")
   end
  end
 end
end

You've misplaced an end, meaning that it won't even check if the text is W or E unless it's N, which is a bit of a problem. Move one of the ends up to close the if statement inside the code for N.

What it should look like:

print("Terminal Application")
rednet.open("bottom")
while true do
event, id, text = os.pullEvent()
if event == "rednet_message" then
  print("Comp#: " ..id .. "> " .. text)
  if text == "N" then
   if rs.getOutput("top") then
	    rs.setOutput("back", false)
	    rs.setOutput("left", false)
	    print("NORTH")
   end -- end here. to end the second if statement
   elseif text == "W" then
	    rs.setOutput("back", true)
	    rs.setOutput("left", false)
	    print("WEST")
   elseif text == "E" then
	    rs.setOutput("back", false)
	    rs.setOutput("left", true)
	    print("EAST")
   else
	    print("Invalid Signal")
  
  end
end
end