To project your computer screen using the Nikon COOLPIX S1100pj, you must configure the camera’s USB interface to projector mode and control the stream via the dedicated PC-PJ Transfer software. This feature allows the camera to act as a portable pico-projector for your Windows or Mac display.
Follow this step-by-step guide based on the Nikon COOLPIX S1100pj Manual to set up and control your projection. 1. Prerequisites and Installation
Before connecting the devices, you must install the PC-PJ Transfer utility on your computer. This application was originally supplied on the CD-ROM bundled with the camera.
Windows installation path: Run the installer from the disc to add the application to your program files.
Mac OS installation path: Copy the program into your Applications folder under a designated Nikon Software folder.
Ensure your camera battery is fully charged or connected to an AC adapter so the projector does not shut down mid-presentation. 2. Configure the Camera Settings
You must manually change the camera’s USB behavior before plugging it into the computer: Turn on the camera.
Tap the bottom tab on the camera monitor to reveal the setting controls. Tap the Setup (wrench icon z) menu. Locate the Interface option and select USB.
Change the setting from MTP/PTP (default data transfer) to Projector (or Proj.). Turn off the camera. 3. Connect the Hardware
Plug the small end of the supplied USB cable into the camera’s interface port.
Connect the other end directly to an active USB port on your PC. Turn on the camera.
The camera will immediately enter projector mode, and the camera’s built-in LCD monitor will stay black. (Note: If this is your very first time connecting it, Windows may ask you to restart your PC to authorize the projector driver). 4. Launch PC-PJ Transfer & Project
Start the software on your computer to initiate the video feed:
Windows: Go to Start menu > All Programs > PC-PJ Transfer > PC-PJ Transfer.
Mac OS: Open your Applications folder, navigate to Nikon Software > PC-PJ Transfer, and double-click the application icon.
Once launched, your computer screen will immediately display through the camera’s projector lens. Your PC will temporarily switch to a dedicated drawing mode, which might slightly alter the look of desktop icon text. 5. Controlling and Disconnecting the Stream
You can manage the projection from your computer’s taskbar or menu bar:
To Pause: Right-click the PC-PJ Transfer icon in the Windows taskbar tray (or click it in the Mac menu bar) and select Stop. The projection will freeze on the last transmitted frame. To Resume: Select Start from the same software menu.
To Disconnect Safely: Select Exit from the PC-PJ Transfer menu. Turn off the camera, and unplug your USB cable.
Remember to change your camera’s USB interface setting back to MTP/PTP whenever you want to transfer standard photos and videos to your computer library again.
If you run into any trouble during setup, please let me know:
What operating system version (e.g., Windows ⁄11, macOS) is your computer running?
Do you already have the PC-PJ Transfer software installed, or do you need help finding the application files?
I can tailor troubleshooting steps specifically to your computer system. PC-PJ Transfer
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