Are you experiencing a specific malfunction with your side usb port for HP EliteBook 740 G5 745 G5 840 G5 845 G5 L14380-001 6050A2925701 6050A3038401.This component is what you are looking for known as the USB Port Board Ribbon Cable or the I/O Daughterboard Interconnect Ribbon Cable. In the HP EliteBook 840 G5, this flat flex ribbon cable bridges the main motherboard to the secondary sub-board (daughterboard) that houses the extra USB ports 

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