Never. The password is stored on the Ruida controller’s EPROM (non-volatile memory), not on your computer. Uninstalling the software has zero effect on the machine password.
for SmartCarve 43 software (often used with laser engravers like those from Monport, OmTech, etc.), it is commonly found in the device’s manual or on a sticker on the controller. Defaults are often "000000" , "123456" , or left blank. smartcarve 43 password new
: SmartCarve 4.3 often requires setting a static IP address on your computer to match the laser cutter's subnet (e.g., configuring the computer IP and verifying with the ping command). smartcarve 43 password new