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You can clean the network port like on other ones with few differences. Make sure to shut down your laptop before starting the process. Try to remove the crumbs which can be seen with a pincher or else with a twister. use a cotton swab dipped in 99% isopropyl alcohol to remove the remaining crumbs on the network port. if there are more dirt particles use air pressure to remove the dirt particles with pressured air. make sure to switch on the laptop when the network port is completely dry.