How to use TV as computer monitor?

I own an Acer lap top. I hold used my tv before as a monitor but hold forgotten which buttons to push to change from my computer monitor to my TV......... Do you know which buttons?

Answer:
There should be a function button to allow you to do this. I dont enjoy an acer in front of me to confirm the number for you, but on a toshiba here, its Fn-F5. The deity generally looks approaching a computer and then an uninhabited square (to represent the monitor)
Usually its Fn(function key.. press and hold) and after press F5. There should also be a picture of the monitor on the F5 key,,except then press Fn hold down and press what ever function switch has the pic of the monitor. Good luck
I not sure more or less Acer. On my IBM look at the F7 key, should see What look similar to Blue Monitors. Press Fn lower left baby grand and then the F7 or anything key show Monitors. It will move through the different option. LCD > TV > Both
Remember if it TV the LCD is "OFF" so do not freakout. Just press again until you have what you want.
at hand should be a key next to fn on it(function key)and then one of the f1tof12 change the screen

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