HP ProBook 640 G1 Notebook PC - Identifying Components

1

WLAN antennas (2)

Send and receive wireless signals to communicate with wireless

2

WWAN antennas (2) (select models only)

Send and receive wireless signals to communicate with wireless wide area networks (WWAN).

3

Internal microphones (2)

Record sound

4

Webcam light

On: The webcam is in use

5

Webcam

Records video and captures still photographs.

6

Internal display switch¹

Turns Off the display or initiates Sleep if the display is closed while the power is On.

note:

1: The display switch is not visible on the outside of the computer

1

Power button

• When the computer is Off, press the button to turn On the computer.
• When the computer is On, press the button briefly to initiate Sleep.
• When the computer is in the Sleep state, press the button briefly to exit Sleep.
• When the computer is in Hibernation, press the button briefly to exit Hibernation.

2

Speakers (2)

Produce sound

3

Wireless button

Turns the wireless feature On or Off but does not establish a wireless connection.

4

Volume mute button

Mutes and restores speaker sound

5

Fingerprint reader (select models only)

Allows a fingerprint logon to Windows, instead of a password logon.

1

esc key

Displays system information when pressed in combination with the fn key.

2

fn key

Executes frequently used system functions when pressed in combination with a function key, the num lk key, the esc key, or the b key

3

Windows button¹

Returns us to the Start screen from an open app or the Windows desktop

4

Function keys

Execute frequently used system functions when pressed in combination with the fn key.

5

Windows applications key

Displays options for a selected object.

6

Embedded numeric keypad

When the keypad is turned On, it can be used like an external numeric keypad.

Each key on the keypad performs the function indicated by the icon in the upper-right corner of the key.

7

num lk key

Turns the embedded numeric keypad On and Off when pressed in combination with the fn key.

note:

1: Pressing the Windows button again will return you to the previous screen.

1

esc key

Displays system information when pressed in combination with the fn key.

2

fn key

Executes frequently used system functions when pressed in combination with a function key, the num lk key, the esc key, or the b key

3

Windows button¹

Returns us to the Start screen from an open app or the Windows desktop

4

Function keys

Execute frequently used system functions when pressed in combination with the fn key.

5

num lk key

Alternates between the navigational and numeric functions on the integrated numeric keypad.

6

Integrated numeric keypad

When num lk has been enabled, it can be used like an external numeric keypad.

note:

1: Pressing the Windows button again will return you to the previous screen.

1

Power light

• On: The computer is On
• Blinking: The computer is in the sleep state
• Off: The computer is Off

2

Caps lock light

On: Caps lock is On

3

TouchPad light

• Amber: The TouchPad is Off
• Off: The TouchPad is On

4

Microphone mute light

• Amber: Microphone sound is Off
• Off: Microphone sound is On

5

Num lock light

On: Num lock is On

6

Wireless light

• White: An integrated wireless device, such as a wireless local area network (WLAN) device and/or a Bluetooth device, is On.
• Amber: All wireless devices are Off

7

Mute light

• Amber: Computer sound is Off
• White: Computer sound is On

1

Power light

• On: The computer is On
• Blinking: The computer is in the sleep state
• Off: The computer is Off

2

Microphone mute light

• Amber: Microphone sound is Off
• Off: Microphone sound is On

3

Num lock light

On: Num lock is On

4

Wireless light

• White: An integrated wireless device, such as a wireless local area network (WLAN) device and/or a Bluetooth device, is On
• Amber: All wireless devices are Off

5

Mute light

• Amber: Computer sound is Off
• White: Computer sound is On

6

Caps lock light

On: Caps lock is On

7

TouchPad light

• Amber: The TouchPad is Off
• Off: The TouchPad is On

1

Pointing stick (select models only)

Moves the pointer and selects or activates items on the screen

2

Left pointing stick button (select models only)

Functions like the left button on an external mouse

3

TouchPad On/Off button

Turns the TouchPad On and Off

4

Left TouchPad button

Functions like the left button on an external mouse

5

Right pointing stick button (select models only)

Functions like the right button on an external mouse

6

TouchPad zone

Moves the pointer and selects or activates items on the screen

7

Right TouchPad button

Functions like the right button on an external mouse

1

Wireless light

• White: An integrated wireless device, such as a wireless local area network (WLAN) device and/ or a Bluetooth device, is On
• Amber: All wireless devices are Off

2

Power light

• On: The computer is On
• Blinking: The computer is in the sleep state
• Off: The computer is Off

3

AC adapter/Battery light

• White: The computer is connected to external power and the battery is charged from 90% to 99%.
• Amber: The computer is connected to external power and the battery is charged from 0 to 90 percent.
• Blinking amber: A battery that is the only available power source has reached a low battery level. When the battery reaches a critical battery level, the battery light begins blinking rapidly.
• Off: The battery is fully charged

4

Hard drive light

• Blinking white: The hard drive is being accessed
• Amber: HP 3D DriveGuard has temporarily parked the hard drive

1

Power connector

Connects an AC adapter

2

RJ-45 (network) jack/lights (2)

Connects a network cable:

• Amber (left): The network is showing activity
• Green (right): The network is connected

3

USB 3.0 charging port

Connects optional USB 3.0 devices and provides enhanced USB power performance. The USB charging port can also charge select models of cell phones and MP3 players, even when the computer is Off.

4

Memory card reader

Reads data from and writes data to memory cards such as Secure Digital (SD).

5

USB 3.0 port

Connects optional USB 3.0 devices and provide enhanced USB power performance.

6

Upgrade bay (optical drive shown)

The upgrade bay can hold either a hard drive or an optical drive that reads and writes (select models only) to an optical disc. It can also hold a weight saver option.

7

Optical drive eject button (select models only)

Releases the optical drive disc tray

8

ExpressCard slot or smart card reader (depending on the configuration)

Supports optional ExpressCards or smart cards

1

Power connector

Connects an AC adapter

2

RJ-45 (network) jack/lights (2)

Connects a network cable:

• Amber (left): The network is showing activity
• Green (right): The network is connected

3

USB 3.0 charging port

Connects optional USB 3.0 devices and provides enhanced USB power performance. The USB charging port can also charge select models of cell phones and MP3 players, even when the computer is Off.

4

Memory card reader

Reads data from and writes data to memory cards such as Secure Digital (SD).

5

USB 3.0 port

Connects optional USB 3.0 devices and provide enhanced USB power performance.

6

Upgrade bay (optical drive shown)

The upgrade bay can hold either a hard drive or an optical drive that reads and writes (select models only) to an optical disc. It can also hold a weight saver option.

7

Optical drive eject button (select models only)

Releases the optical drive disc tray

8

ExpressCard slot or smart card reader (depending on the configuration)

Supports optional ExpressCards or smart cards

1

Audio-out (headphone) jack/Audio-in (microphone) jack

Produces sound when connected to optional powered stereo speakers, headphones, earbuds, a headset, or television audio. Also connects an optional headset microphone.

2

USB 3.0 ports (2)

Connect optional USB 3.0 devices and provide enhanced USB power performance.

3

Dual-Mode DisplayPort

Dual-Mode DisplayPort

4

External monitor port

Connects an external VGA monitor or projector

5

Vents (2)

Enable airflow to cool internal components

6

Security cable slot

Attaches an optional security cable to the computer

1

RJ-11 (modem) jack (select models only)

Connects a modem cable

2

Serial port

Connects an optional device such as a serial modem, mouse, or printer

1

Service cover

Provides access to the hard drive bay, the wireless LAN (WLAN) module slot, the WWAN module slot, and the memory module slots.

2

Battery release latch

Releases the battery

3

SIM slot

Supports a wireless subscriber identity module (SIM) (select models only). The SIM slot is located inside the battery bay

4

Docking connector

Connects an optional docking device

5

Service cover release lock

Locks the service cover

6

Service cover release latch

Releases the service cover on the computer

7

Battery bay

Holds the battery

8

Vents (4)

Enable airflow to cool internal components