: The software monitors the USB connection. For maximum brightness, it is recommended to use the included power adapter or connect two USB cables simultaneously to your laptop to meet the device's power requirements. Apple Support Community Troubleshooting & Compatibility
It is crucial to clarify a common misconception. Many assume that because the Acer C120 uses a USB connection, it functions like a standard external monitor. This is not the case.
Usually resides within a subfolder of C:\Program Files\ or C:\Program Files (x86)\ dedicated to the parent hardware manufacturer.
For advanced users needing to verify the file's integrity, here are its official hashes: dlusb-c120.exe
Type cmd into the Windows search bar, right-click , and select Run as administrator . Type sfc /scannow and press Enter .
Once successful, an Acer DisplayPal icon will manifest inside your Windows system tray, and your screen will immediately mirror to the projector lens. Common Troubleshooting and Compatibility Issues
What did you recently connect to your computer? What exact error message are you seeing on your screen? Which version of Windows are you currently running? : The software monitors the USB connection
The file dlusb-c120.exe is the driver and display utility (often referred to as ) for the Acer C120 Pico Projector
The legitimate version of dlusb-c120.exe is completely safe. However, because it is an older, legacy executable, cybercriminals sometimes use its file name to disguise malware. Malicious files mimic trusted names to avoid detection by users reviewing their task manager or download folders. Signs the File is Safe:
A: The safest and most reliable place to download this file and the associated Acer DisplayPal software is from the official Acer Support website . Navigate to their "Drivers and Manuals" section and search for your specific product, the Acer C120. Avoid downloading this or any other executable file from unknown third-party websites, as they can be a source of malware. Many assume that because the Acer C120 uses
: The driver does not support DirectX PC games via USB projection.
Check the box that says .
Plug the projector directly into the laptop rather than a non-powered USB hub, which may not provide enough juice to run the bulb. 4. Troubleshoot "App Can't Run" Errors If Windows Defender or your Antivirus blocks the file:
The original workflow for launching this file requires minimal tech intervention under older Windows structures: