How To Project Laptop Screen To Wall without Projector

Projectors are ideal when it comes to professional use and business presentations but they are quite expensive.

But for casual use, you can project something to the wall from your laptop also, and no need to invest in a new projector as it’s costly.

You can protect your laptop’s screen on your wall it’s not that much difficult, but you have to be well prepared for it. And it’s a little bit tricky also, so it needs your full concentration to get it right at the first attempt.

Here we will try to help you to protect your laptop’s screen against a wall without a projector. Not only this If you want to protect your phone’s screen, but we will put some light on it also.

You will need some tools to successfully project your laptop screen to a wall without a projector. Almost all of these tools are ordinary household items, and if you didn’t get anything in your house you can easily get it from any convenience store near you.

Other than a laptop the things that you need to protect your laptop screen from a wall without a projector are a precision knife, tape, pencil, cardboard, black matte paper, glue stick, magnifying lens, and a smartphone.

And the best thing about these items is there is also an alternative available for them, for example, if you didn’t get the matte paper, you can use any thick black paper instead.

Scissors can be used if you can’t get precision knives. But be careful when you improvise things as scissors don’t cut as sharply as a precision knife, and when you cut unevenly it can influence your entire project.

You can easily do it this is not at all a complicated thing. Just pay attention and follow the instructions to make a cost-effective alternative projector to enjoy your favorite movies.

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Steps To Project Your Laptop Screen To a Wall without Projector:

  • Step – 1

Use the appropriate Box and Mirror: The first thing to do is to get the right box and mirror for the task.

The box you are using should board your laptop easily but it shouldn’t be too big if it’s big then things can become complex. And the box should comprise a light source for lining the box interior to let light pass through the magnifying glass.

It’s better to have a light source with strong rays for a brighter and fine quality. Try to get the appropriate box size as it will make it easy to adjust the focus, and keep a healthy distance between your laptop and the setup.

The lens you are using should be as big as the laptop you are using. Now you need a pencil to mark the size of your lens on the narrow side of the box. If you trace the lens you can do it more accurately.

  • Step – 2

For sharp Image Quality blackout the interior: Now you can cut open the box with your precision Knife from one corner.

Cut the box carefully and don’t damage it while cutting. Cover the box’s interior with any thick black or black matte paper with glue for stability.  

The actual reason for sheathing the box interior with paper is to lessen the light reflection to produce a total blackout in the box, straightaway refining the image quality.

If you don’t want to cover the interior with thick black paper, then you can paint all adjacent sides of the interior with back-colored paint also. But going with paper is good as paint can be a hassle to clean.

  • Step – 3

Insert Your Lens into the DIY Mobile Projector: The installation of the lens is not that much difficult, you just have to follow the instructions carefully. And cut the pencil mark you made in the beginning then open it and try to make sure it is the same size as your lens.

Then, you can place the lens into the hole. Be careful and don’t damage the box in the process, it’s better to use better tools, or else you have to restart the entire project.

  • Step – 4

Make a Manual Focus for Your Phone Projector:  Make an extra box to fit into your first box.

This is for adjusting focus and it should have a lens that can be moved with your phone. You have to fit the second box into the first for better firmness.

By making small cuts at one edge of the box just fold the flaps, after this attach the adjacent flaps with your glue and stick the lens on the flaps of the inner box. If you do this your box will be more firm.

  • Step – 5

Take the cardboard phone projector and Install the Mirror in it: Usually, when you come to this point, the pictures you will get from your phone will be upside down and awkwardly positioned from left to right. Don’t get confused as it has an incredibly easy fix.

If you are using an iPhone, you may have to disable the auto-rotate function, and if it’s your Android phone then it should fare just fine.

Upturn the phone over to stay head-down, and the image should be stationed at a 45-degree angle against the edge that rests opposite the lens.

  • Step – 6

Design a Window for the Phone: Measure your phone screen accurately and draw a rectangle on the projector’s lid just above the mirror using your pencil.

Pull out the cut with your precision knife. At this stage, you’ll see that the image from your projector looks right but disturbingly small.

So it’s time to fix the magnifying glass into the opening you just made, and now you have a pro-level projector for all your requirements.

Set Up Your Mobile Phone:

If you are not comfortable following the steps listed above and finding it hard, then your smartphone might need some extra setup to go with your projector.

You will not have any problems with an iPhone, as iOS comprise a rotation pattern that allows it to rotate all the way around.

For the betterment of your projector, you may have to go deep into your settings to switch off this behavior.

Some Android apps also source strange rotation problems. If the app that you have downloaded rotates automatically when you rotate your phone, you should go deep into its settings to see if there’s a viable fix.

The sound quality for projection without dedication can range from nonexistent to very poor. Usually, the sound quality from the projection is not good,

So it’s better to hook up your phone to some Bluetooth speakers. If you are interested in giving your voice to the projection, then look further than your phone’s microphone.

You can easily get a cheap wireless microphone from an online store to fix any issues you might behave with your mic, making for an almost a-perfect presentation.

Setting up your device for your DIY projectors isn’t that complicated. Most of the external devices required are basics, even if you aren’t working on a DIY projector.

Image Quality:

As you know that the DIY projector isn’t the real thing. So you can’t anticipate all the attributes present in a standard projector.

The most common defect people usually notice is the quality of the image. The images you get will be hazy, and the reason for this is disproportionate magnification. You can reduce the scale of the image on the wall to get better image quality.

Using a Flashlight To Project Image on a Wall:

The Fresnel lens is very good when it comes to projecting images on a wall by using a flashlight. You just have to point your flashlight at a wall and use the magnifying glass.

When you turn the lamp, direct the flashlight against the intentional subject and this normally creates an opposite effect to the image presented on a wall.

How Do I Project My Laptop To My Wall?

To project your laptops to a wall connect your projector and your laptop with the help of a VGA cable. The cable slips into the trapezoid VGA port on the laptop and the projector. When you switch on both devices, your laptop automatically will start projecting to any surface.

How to Use My Phone as a Projector?

If you want your phone to work as a projector, then you download the Epson iProjection app available on Google Play Store.

The app allows you to protect your phone’s images, and videos, and not only has this it can manage a standard projector wirelessly.

With the help of this projector, your phone can turn into a smart little projector in its own right.

Can I Use My Laptop As A Projector?

All the standard projectors permit you to connect your laptop or TV by using a cable, and projectors normally comprise wireless connectivity options that are also perfect when it comes to image projection.

If your laptop is providing you with all the requirements needed for this connection protocol, then you can certainly use your laptop as a projector.


Most people think that making a DIY projector is a complex thing, but it’s not all you have to do is follow the steps and they are all quite simple. You can easily get an average projector by following those steps, but it’s not at all good for a business presentation.

You can say that this is a test of your creativity and when you create this projector, you are learning and enjoying it simultaneously.

A homemade projector is cost-effective and if you make it right then you will be delighted with the result. After reading all this stuff hope you now know “how to project a laptop screen to the wall without a projector?”

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