The Acer Aspire 5742, 5742G, and 5742Z laptops typically use a flat, flexible cable known as the LVDS (Low-Voltage Differential Signaling) cable to connect the display panel to the motherboard. This cable is responsible for transmitting video signals from the motherboard to the display.
If you're looking for a replacement or troubleshooting information for the display cable of these Acer Aspire models, you can search for "Acer 5742 LVDS cable," "Acer 5742G display ribbon cable," or "Acer 5742Z video flex cable." These terms should help you find relevant products or resources for your specific laptop models.