The HP 15-AC, 15-AF, 250 G4, 255 G4, and 250 G5 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.
The part number you provided, DC020026M00, appears to be the specific part number for the LVDS cable for these HP models.
If you're looking for a replacement or troubleshooting information for the display cable of the HP 15-AC, 15-AF, 250 G4, 255 G4, or 250 G5 laptops, you can use the part number DC020026M00 to ensure compatibility. Additionally, you can search for "HP 15-AC LVDS cable," "HP 15-AF display ribbon cable," or similar terms to find relevant products or resources.