Look for entries named "USB Data Link", "USB-to-Serial Driver", or anything matching the manufacturer of your cable. Click and follow the prompts. Method B: Manual File and Driver Deletion

The "DL" in the filename often stands for or "Driver Loader" , while "USB-C120" refers to a specific driver package version or a device profile for a USB-to-serial chipset—commonly the CP210x family.

Are you having trouble getting the once the file is running, or is the drive not appearing at all? Product Support - C120 | Acer United States

The file is an executable file associated with USB-to-Serial data link cables, most notably used for older digital cameras, diagnostic tools, and older mobile phone connectivity kits. Because it is an older driver installer, users frequently encounter compatibility issues or mistake it for malware when it triggers security alerts on modern operating systems.

: Ensure Windows 10/11 AutoPlay settings are set to run media and devices automatically.

: The file helps manage brightness based on power source; the projector typically outputs 75 lumens on USB power alone and 100 lumens when using the AC adapter. Common Issues and Solutions

: If the device isn't recognized, you can find official support and drivers on the Acer C120 Product Support page .

: The driver does not support DirectX PC games via USB projection.

your antivirus after the installation is complete. 4. Compatibility Mode

The short answer is no . Security analysis from several sources confirms this:

: Requires a USB 2.0 or 3.0 port. Note that USB 3.0 is highly recommended for better brightness and frame rates. File Origin

While the Acer C120 is designed to work via "plug-and-play," users frequently encounter issues where the projector is not recognized by the laptop, requiring manual installation or updating of the driver through dlusb-c120.exe or similar driver packages. What is dlusb-c120.exe?