A presentation can look perfect on a laptop and completely fall apart once it fills a ballroom wall.
Text suddenly feels tiny. Photos look soft or blurry. A chart that seemed easy to read becomes a mess of labels. Logos are sitting uncomfortably close to the edge. That beautiful full-screen video now has black bars on both sides.
Nothing necessarily went wrong with the screen.
The problem is usually that the presentation was designed for the person sitting two feet from a laptop, not the person sitting 80 feet from the stage.
Large event screens change the way presentation content needs to be designed. A few decisions made while building the deck can make a huge difference once it gets into the room and up on the wall.
Start with the shape of the screen
Before spending hours polishing slides, find out what shape the presentation area will actually be.
A standard 16:9 PowerPoint deck is often a perfectly good starting point. It matches many projectors, displays, and video systems.
LED walls are different.
One of the advantages of LED is that the screen does not have to follow a standard television shape. A stage might use one very wide LED wall, several separate canvases, a tall center screen, or a custom arrangement built around the scenic design.
That freedom looks great in the room, but then your content has to match it.
Stretching a normal presentation across an unusually wide canvas can make everything look weird and distorted. Simply enlarging it may crop important material. Keeping the original proportions might leave unused areas around the deck.
This is why the screen layout and content plan should start working together early in the process.
Ask your production team for the presentation aspect ratio or the actual pixel dimensions of the screen canvas before final graphics are built.
If terms like pixel dimensions and resolution are starting to blur together, our guide to video resolution explains what those numbers actually mean.
Your laptop is lying to you about text size
Not intentionally.
A 20-point label can look perfectly readable when your face is close to the screen. Put the same label in a ballroom and ask someone at the back to read it.
Completely different story.
This is one of the easiest mistakes to make because most presentations are created and reviewed on computers. Everyone approving the deck sees it from almost the same distance it was designed.
The audience will see something very different.
Instead of obsessing over a universal minimum font size, think about viewing distance and hierarchy. The important information should be obvious from across the room. Supporting details can be smaller, but they still need to earn their place.
An easy test is to shrink the slide dramatically on your monitor.
Can you still tell what the slide is saying?
If the answer is no, the audience probably has too much to process. Generally, the less text to read the better. Everyone understands pictures. Use them. Asking the audience to read multiple paragraphs is challenging, and in most cases, very boring.
You want them paying attention to you and what you are saying. Not continuously reading.
Charts are usually the first thing to break
Charts have a special ability to become unreadable the moment they reach a large screen.
The usual culprit is not the data. It is everything surrounding it.
Tiny axis labels. Eight colors. A long legend. Twelve categories. Footnotes. Data labels on every point. A title that tries to explain the entire quarterly report.
On a laptop, you can lean forward and inspect it. An audience cannot.
If the speaker wants people to notice one important change, consider showing that change instead of showing every piece of information used to discover it.
A complicated chart may work well in the report attendees receive later. The presentation version can be much simpler.
One idea per slide is not an absolute rule, but it is a useful instinct when the room is large.
Big screens expose bad images
A small photo can hide a lot of sins.
Once that image becomes 20 or 30 feet wide, there is nowhere for them to go.
Low-resolution photos may look soft or pixelated. Screenshots can become especially ugly because they often contain small text and interface elements that were never meant to be enlarged.
Logos create similar problems. A tiny JPEG pulled from a website may be acceptable in an email signature and terrible on an LED wall.
Whenever possible, start with high-quality source files. Vector logos are especially useful because they can scale up to any size – cleanly.
There is also a difference between having enough pixels and having a good image.
A technically large photograph can still look terrible if it is badly compressed, out of focus, or pulled from an old presentation that has been copied and pasted for six years.
The screen will faithfully show all of it.
Give important content some breathing room
Edges are dangerous.
A presentation may pass through several pieces of equipment before the audience sees it. Screens can have unusual dimensions, content might be scaled, and scenic elements may overlap part of the visual canvas.
Putting a speaker’s name, sponsor logo, or important sentence right against the edge leaves very little room for adjustment.
Keep critical information comfortably inside the frame.
This matters even more when the event uses custom LED layouts. A wide canvas may include separate regions for presentation content, IMAG camera feeds, logos, backgrounds, or decorative graphics.
The full LED wall does not always belong to PowerPoint.
Knowing which part of the screen is actually yours saves a lot of redesign later.
Embedded videos deserve their own check
Video inside PowerPoint is one of those things that works perfectly until it doesn’t.
Sometimes the file is embedded correctly. Other times the presentation is pointing to a video stored somewhere else on the presenter’s laptop. Codecs can create trouble. Audio may be missing. A last-minute deck transfer can break a link that nobody realizes was a link. And hoping for YouTube to do what you think it will do is stressful.
The safest approach is to send the original video files separately along with the presentation.
That gives the playback team another option if the embedded version fails or if the video needs to be played outside the deck.
It also gives everyone a chance to check the format, audio, resolution, and playback before the speaker is onstage.
Our AV file checklist for live events covers the other files worth sending ahead of time.
PowerPoint does not have to fill every pixel
This is worth saying because custom LED walls can make people feel like every inch of screen needs content. It really doesn’t.
A presentation can sit within a larger visual environment.
For example, the center portion of a wide LED wall might hold the speaker’s slides while the outer areas carry event branding. Another show might place IMAG beside the deck so attendees can see both the presenter and the presentation.
That can be much more effective than blowing a standard PowerPoint across the entire wall.
The right approach depends on the stage design, room, audience, and content. There is no prize for using every available pixel.
Sometimes the deck needs two versions
This comes up more often than people expect.
The presentation shown in the room and the presentation distributed afterward do not always need to be identical.
A detailed slide with twelve bullet points, citations, and a complicated chart may be useful as a reference document. It can be miserable to look at during a keynote.
The live version can emphasize the few things the speaker wants the audience to understand in that moment.
Afterward, attendees can receive a more detailed PDF or supporting document.
That is not dumbing down the presentation. It is designing for two different jobs.
One needs to work from the back of a ballroom while somebody is talking.
The other needs to work while someone is sitting at a desk and reading.
Check the deck in the actual room
This is the part people tend to skip.
A slide deck can be technically correct and still feel different once it reaches the stage.
Maybe the text is readable but smaller than expected. A dark photo disappears against the room lighting. The sponsor logo looks huge. A chart needs another few seconds of screen time because there is more information than the speaker realized.
Rehearsal is when you find all those things.
You do not need to rebuild an entire presentation onsite. Ideally, most of this has already been sorted out before the crew arrives.
But looking at the actual content on the actual screens is still valuable.
Laptop preview is a decent guess. The room is your final answer.
Build for the person in the worst seat
That is probably the simplest way to think about presentation design for a live event.
Do not build the slide for the person approving it on a MacBook.
Build it for someone who is sitting farther away than you would like, watching a speaker, glancing at the screen, and trying to understand the point before the presentation moves on.
Use clear hierarchy. Give text enough size. Simplify charts. Start with good images. Confirm the screen format early. Send videos and presentation files before show day.
The production team can make the screens bright, sharp, and correctly formatted.
The content still has to be worth putting on them.
Putting a presentation on a large event screen?
MeyerPro supports corporate presentations, LED video walls, projection, playback, cameras, and live event production in Seattle, Portland, and across the Pacific Northwest.