The computer is outputting a resolution or refresh rate that the projector cannot parse, or the display mode is set incorrectly.
: If you are trying to use the projector's USB port for "Remote Mouse" control (using the projector remote to flip PowerPoint slides), your computer may automatically install a generic HID (Human Interface Device) driver when connected via a USB-B cable. Acer X113 Review: Practical and Dated acer x113 projector drivers
Before you can see anything on screen, you need to connect the projector to your computer. The computer is outputting a resolution or refresh
Since the projector uses standard Plug and Play drivers, getting it to work is a straightforward process. Follow these steps for a successful setup. acer x113 projector drivers