HP ProBook 455 G4 cable kit 905769-001 is a set of internal connection cables for servicing supported notebook assemblies. It covers the optical drive, power-button board, function board, TouchPad assembly and USB/audio board.
The optical-drive cable connects to the system board. The kit is listed for HP ProBook 450 G4 and HP ProBook 455 G4 notebook PCs, making it useful when replacing or restoring one of the included cable connections during service.