HP EliteBook 755 G4 Notebook PC & HP EliteBook 745 G4 Notebook PC - Maintenance and Service Guide
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Component Description
(1) Docking connectors Connect an optional docking device.
(2) Vents Enable airow to cool internal components.
NOTE: The computer fan starts up automatically to cool
internal components and prevent overheating. It is normal
for the internal fan to cycle on and o during routine
operation.
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