How to Project Movies from a Portable HD Projector

By Betterbuyclub: The Ultimate Solutions for Electronics, and ... | Published: 2026-10-23

Category: How-to Guides

Learn how to set up a portable HD projector, connect it to laptops or streaming devices, and get the best picture for outdoor movie nights.

Quick Answer

To project movies from a portable HD projector, connect your video source via HDMI or USB, adjust focus and keystone, and set up the screen in a dark room for the best image.

Why a Portable Projector Makes Movie Night Easy

Portable projectors like the Memorex PJ720 are designed for flexibility. You can set them up in a living room, a backyard, or even a camping trip. Their compact size means you can take them anywhere, and with a 50-180 inch screen size range, you can scale the image to fit your space.

The main trade-off is that portable projectors typically have lower brightness than full-size home theater models. The PJ720 offers 6000-lumen brightness (130 ANSI), which works well in a dark room but will look washed out in bright daylight. For outdoor use, wait until after sunset for the best picture.

Another consideration is audio. The built-in 5W speaker is fine for small gatherings, but for a louder, more immersive experience, you can connect external speakers via the 3.5mm audio output.

Step-by-Step Setup Guide

Position the Projector and Screen: Place the projector on a stable, flat surface at the desired distance from the screen or wall. The PJ720 can project from 50 to 180 inches diagonally. The farther the projector, the larger the image. Make sure there are no obstacles between the lens and the screen. Before mounting, test the image size at different distances to find the sweet spot for your room.
Connect Your Video Source: Use an HDMI cable to connect a laptop, streaming stick, or game console to the projector's HDMI port. For older devices, you can use the AV input. Alternatively, insert a USB drive (up to 32GB) with video files directly into the USB port—the projector can play MPEG, AVI, MOV, and more. If using a USB drive, make sure the video files are in a supported format; otherwise, they won't play.
Power On and Adjust Focus: Plug in the AC adapter (110-220V) and press the power button. Use the manual focus ring on the lens to sharpen the image. If the image is trapezoidal, adjust the projector's angle or use the keystone correction (if available) to straighten it. A common mistake is forgetting to focus after moving the projector—always refocus when you change distance.
Set Up Audio: The built-in 5W speaker is adequate for small rooms, but for better sound, connect external speakers via the 3.5mm audio output. You can also use Bluetooth 5.3 to pair wireless speakers if the projector supports it. Check the volume level on both the projector and the source device to avoid distortion.
Play Your Movie and Optimize the Environment: Press play on your source device. For the best picture, dim the lights or wait until dark. Reduce ambient light and avoid direct light on the screen. Use a white wall or a portable projector screen for better contrast. For outdoor movie nights, start after sunset and position the projector so that the screen is shaded from any ambient light.

Product Spotlight

Memorex PJ720 720P Portable HD Projector: The Memorex PJ720 has a native 720p resolution and supports HDMI input up to 1080p. This means you can connect a laptop or streaming device and get a clear, sharp image, though the projector will downscale 1080p content to its native 720p.
Memorex PJ720 720P Portable HD Projector