Computer in Roblox studio can only turn on/off once

Help and Feedback Scripting Support
,
#1

(This is my first post here. I apologize for any mistakes regarding posting and whatnot.)

I am trying to make a computer in Roblox Studio that turns on and off when a power button is pressed. My issue here is that the computer can only turn on and off ONCE.
Once it’s off, I’m not able to turn it on again when I click on the power button.

For instance; when I test out the game, the computer is off. I turn it on, then turn it back off. After that, I cannot turn it back on again.

I hope I’ve explained the issue clearly. Can someone help me fix this? I’m not a very experienced scripter.

I’ve looked at scripts for toggling lights as a reference, but haven’t really found any working solutions. I just don’t know what I’m missing.

local computer = script.Parent:WaitForChild('Computer')
local screen = computer.Model.Monitor:WaitForChild('Screen')
local screenlight = screen:WaitForChild('SurfaceLight')
local gui = screen:WaitForChild('SurfaceGui')
local powerbutton = computer.Parent.ComputerButton:WaitForChild('ClickDetector')
local frame = screen.SurfaceGui:WaitForChild('Frame')

local on = false
local debounce = true

screen.Transparency = 0
screen.Material = Enum.Material.SmoothPlastic;
screenlight.Brightness = 0
screen.SurfaceGui.Frame.BackgroundTransparency = 1

powerbutton.MouseClick:Connect(function()
	if debounce and not on then
		debounce = false
		screen.Material = Enum.Material.Neon;
		print('Turning on')
		on = true
		for i = 1,255 do
			wait()
			frame.BackgroundTransparency = frame.BackgroundTransparency - 0.039
			screenlight.Brightness = screenlight.Brightness + 0.0039
		end
		wait(5)
		debounce = true
	else
		if debounce then
			debounce = false
			print('Turning off')
			on = false
			for i = 1,255 do
				wait()
				frame.BackgroundTransparency = frame.BackgroundTransparency + 0.039
				screenlight.Brightness = screenlight.Brightness - 0.039
			end
			screen.Material = Enum.Material.SmoothPlastic;
		end
	end
end)

Thanks in advance.

#2

you never set debounce = true.

#3

Mind elaborating? Where do I put it?

#4 
local debounce = true
local on = false

if debounce and not on then
    --sets debounce to false and on to true
elseif debounce then
    --sets deboucne to false and on to false
end

when you hit the power button, it sets debounce to false,
next time you hit the power button, it does nothing since debounce is false(and both conditions require debounce to be true)