HP ProBook 450 G1 Notebook PC - Manual (Page 19)

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Component Description
(1) Hard drive light ● Blinking white: The hard drive or optical drive is being
accessed.
● Amber: HP 3D DriveGuard has temporarily parked
the hard drive.
(2) Media Card Reader Reads data from and writes data to memory sticks and
digital memory cards such as Secure Digital (SD).
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