Left side
Component
Description
(1)
Power connector
Connects an AC adapter.
(2)
AC
adapter/battery
light
●
White: The AC adapter is connected and the battery is fully
charged.
●
Blinking white: The AC adapter is disconnected and the
battery has reached a low battery level.
●
Amber: The AC adapter is connected and the battery is
charging.
●
Off: The battery is not charging.
(3)
Vent
Enable airflow 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 off during routine operation.
(4)
External monitor port (select models only)
Connects an external VGA monitor or projector.
(5)
RJ-45 (network) jack/status lights
Connects a network cable.
●
White: The network is connected.
●
Amber: Activity is occurring on the network.
(6)
HDMI port
Connects an optional video or audio device, such as a high-
definition television, any compatible digital or audio
component, or a high-speed High-Definition Multimedia
Interface (HDMI) device.
(7)
USB 3.0 port
Connects an optional USB device, such as a keyboard, mouse,
external drive, printer, scanner or USB hub.
(8)
USB 2.0 port
Connects an optional USB device, such as a keyboard, mouse,
external drive, printer, scanner or USB hub.
(9)
Audio-out (headphone)/Audio-in (microphone)
jack
Connects optional powered stereo speakers, headphones,
earbuds, a headset, or a television audio cable. Also connects an
optional headset microphone. This jack does not support
optional microphone-only devices.
Left side
7
Summary of Contents for 255 G4
Page 1: ...HP Notebook PC AMD HP 255 G4 Notebook PC Maintenance and Service Guide ...
Page 4: ...iv Safety warning notice ...
Page 12: ...4 Chapter 1 Product description ...
Page 22: ...14 Chapter 2 External component identification ...
Page 30: ...22 Chapter 3 Illustrated parts catalog ...
Page 38: ...30 Chapter 5 Removal and replacement procedures for Customer Self Repair parts ...
Page 70: ...62 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts ...
Page 80: ...72 Chapter 9 Backing up restoring and recovering in Windows 8 1 ...
Page 88: ...80 Chapter 11 Using HP PC Hardware Diagnostics UEFI ...
Page 98: ...90 Chapter 13 Statement of Volatility ...
Page 102: ...94 Chapter 14 Power cord set requirements ...
Page 104: ...96 Chapter 15 Recycling ...
Page 108: ...100 Index ...