Does it matter when the screwdriver is accidentally drawn to the main board for installing the computer mainboard?
Circuit board wiring, which is generally copper line, as long as the line is not broken, there is no problem. When disconnected, it is necessary to take wires to connect the disconnected lines
It's OK. It's still shallow. The PCB substrate is usually thicker, especially black. This makes it more quality than usual. The cut should be just the resin on the base board
