HP 255 G4, Maintenance And Service Manual

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Right side
Component Description
(1) Power light
●
On: The computer is on.
●
Blinking: The computer is in the Sleep state, a power-
saving state. The computer shuts off power to the display
and other components.
●
Off: The computer is off or in Hibernation. Hibernation is a
power-saving state that uses the least amount of power.
(2) Hard drive light
●
Blinking white: The hard drive is being accessed.
(3) Memory card reader Reads optional memory cards that enable you to store, manage,
share or access information.
To insert a card:
1. Hold the card label-side up, with connectors facing the
computer.
2. Insert the card into the memory card reader, and then
press in on the card until it is firmly seated.
To remove a card:
▲
Press in on the card, and then remove it from the slot.
(4) USB 2.0 port Connects an optional USB device, such as a keyboard, mouse,
external drive, printer, scanner or USB hub.
(5) Optical drive Depending on your computer model, reads an optical disc or
reads and writes to an optical disc.
NOTE: For disc compatibility information, go to the Help and
Support web page. Follow the web page instructions to select
your computer model. Select
Drivers & Downloads , and then
follow the on-screen instructions.
(6) Optical drive eject button Releases the disc tray.
(7) Security cable slot Attaches an optional security cable to the computer.
NOTE: The security cable is designed to act as a deterrent, but
it may not prevent the computer from being mishandled or
stolen.
6 Chapter 2 External component identification