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HP ProBook 4540s Notebook PC - Identifying Components

Open view

Items
Description
1
WWAN antennas (select models)
2
WLAN antennas
3
Dual-microphone array1
4
Webcam LED indicator (with optional webcam)
5
Optional 720p HD webcam
6
Stereo speakers
7
HP WebBrowser button with LED indicator
8
Wireless on/off button with LED indicator
9
Numeric keypad
10
Optional HP Fingerprint sensor
11
Touchpad
12
Touchpad pick buttons
13
Touchpad on/off button with LED indicator
14
Stereo microphone in
15
Stereo headphone/line out
16
Media card reader
17
Hard drive activity LED indicator
18
(2) USB 3.0 ports
19
HDMI 1.4a port
20
RJ-45/Ethernet port
21
VGA/external monitor connector
22
AC adapter/battery light
23
Security cable slot
24
Power button with LED indicator
25
HP Power Assistant function key
26
Volume mute function key
27
Volume down function key
28
Volume up function key
NOTE: 1. Models without optional webcam have single integrated microphone.

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Right view

Items
Description
1
(2) USB 2.0 ports
2
Optical drive

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Bottom view

Items
Description
1
Battery and service door release latches
2
Battery bay
3
Power connector
4
Vents
5
Service door

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