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An event slideshow is usually simple to run, but small setup issues can cause unnecessary problems once guests arrive.
The TV may be on the wrong input. Your laptop may need an adapter you did not bring. The projector may be too dim for the room. Or the slideshow may work on screen but fail to update because the laptop has a weak Wi-Fi connection.
A quick setup check before the event can prevent most of this.
If you are using a live photo slideshow that updates as guests upload, the same setup principles apply. The main difference is that the device running the slideshow also needs a reliable internet connection.
For most event slideshows, you need:
A typical live slideshow setup looks like this:
Guest uploads → internet → laptop or tablet → HDMI → TV or projector
The TV itself does not necessarily need Wi-Fi. If the laptop is online and connected to the TV through HDMI, the TV is simply acting as the display.
There is no single best option. It depends on the room, audience size, lighting, and equipment already available at the venue.
A TV is often the simpler option for smaller spaces.
A projector makes more sense when you need a much larger image, especially if the venue already has one installed.
If you are using a projector, test it under the lighting conditions expected during the event. Brightness can vary significantly depending on ambient light, image size, and the projector itself.
Before the event, confirm how your laptop or tablet will connect to the venue display.
Your device may have:
Do not assume the venue will have the adapter you need.
If your laptop requires USB-C-to-HDMI or another adapter, bring one that you have already tested.
It is also worth asking the venue:
Even if the TV has a built-in browser, we recommend running the slideshow on a laptop or compatible tablet and using the TV only as the display.
Smart TV browsers can be more limited than desktop browsers. Browser capabilities vary by manufacturer, model, and model year, and TV web apps operate under different memory constraints than PCs.
That can make modern, media-heavy web applications less predictable, especially when a slideshow is continuously loading new photos or videos.
For a more reliable setup:
Run the slideshow on a laptop or tablet → connect it to the TV or projector through HDMI or a compatible wireless display connection.
This way, the TV only has to display the video signal.
When you connect an external display, your laptop will usually let you either mirror the screen or extend your desktop.
Mirror or Duplicate: The laptop and venue screen show the same thing. This is the simplest option.
Extend: The venue screen acts as a second desktop. This is useful if you want to keep controls or other windows on the laptop while guests only see the slideshow.
If you use Extend, make sure the slideshow window is moved onto the venue display before entering full-screen mode.
If the slideshow is updating live, test the internet connection from the exact place where the laptop will sit.
Check that:
If the venue has separate guest, staff, or AV networks, ask which one they recommend.
A phone hotspot can be useful as a backup where cellular coverage is good, but it should not be your only plan for an important event.
Do not stop once your desktop appears on the venue screen.
Run one real test from start to finish:
If you are using GuestCam, new photos and videos uploaded to the selected gallery are automatically added to the slideshow queue while it is running. A real test upload confirms the full workflow is working.
The best slideshow setup is one you do not need to think about once the event starts.
Use a laptop or tablet you have already tested, confirm the venue connection beforehand, and make one real upload before guests arrive.
If you still need a way to display photos as guests share them, GuestCam's live slideshow automatically adds new photos and videos from your event gallery while the slideshow is running.
Regan Black is the founder of GuestCam, an event and wedding photo sharing platform trusted by thousands of couples and leading brands to collect and preserve more than 20 million memories. He writes about event technology, wedding planning trends, and how modern couples are reimagining the guest experience.
Scan the QR code or use the link below to step into the guest portal and see how easy it is for guests to join and upload.
