2
External component identification
Display
Component
Description
(1)
Internal display switch
Turns off the display and initiates Sleep if the display is closed while the power is on.
NOTE:
The internal display switch is not visible from the outside of the computer.
(2)
WLAN antenna*
Send and receive wireless signals to communicate with wireless local area networks
(WLANs).
(3)
Webcam light
On: The webcam is in use.
(4)
Webcam
Records video and captures photographs. Some models allow you to video conference and
chat online using streaming video.
To use the webcam:
▲
Windows 8.1: From the Start screen, type
camera
, and then select
Camera
from the
list of applications.
▲
Windows 7: To use the webcam, select
Start > All Programs > Communication and
Chat > CyberLink YouCam
.
(5)
Internal microphone
Record sound.
*The antennas are not visible from the outside of the computer. For optimal transmission, keep the areas immediately around the
antennas free from obstructions. For wireless regulatory notices, see the section of the
Regulatory, Safety, and Environmental Notices
that applies to your country or region.
To access this document in Windows 8.1:
From the Start screen, type
support
, and then select the
HP Support Assistant
app.
‒
or –
From the Windows desktop, click the question mark icon in the notification area, at the far right of the taskbar.
To access this document in Windows 7: Select
Start > HP Support Assistant > Next > My computer > User Guides
.
Display
5
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 ...