HP Elitebook 840 G2 P0c57ut Aba 14 Notebook User Manual

10  Maintenance ............................................................................................................................................. 73
Adding or replacing memory modules ................................................................................................................ 73
Cleaning your computer ...................................................................................................................................... 75
Cleaning procedures...

13  Using HP Sure Start .................................................................................................................................... 90
Using HP Sure Start (select models only) ........................................................................................................... 90
14  Support ..................................................................................................................................................... 91
Contacting support...

1Welcome
After you set up and register the computer, we recommend the following steps to get the most out of your smart investment:
●Connect to the Internet—Set up your wired or wireless network so that you can connect to the 
Internet. For more information, see 
Connecting to a network on page 17.
●Update your antivirus software—Protect your computer from damage caused by viruses. The 
software is preinstalled on the computer. For more information, see 
Using antivirus software 
on page 70.
●Get to know...

Finding information
You have already used Setup Instructions to turn on the computer and locate this guide. To locate resources 
that provide product details, how-to information, and more, use this table.
ResourcesFor information aboutSetup Instructions poster●How to set up the computer
●Help to identify computer components
Help and Support
To access Help and Support, select Start > Help and 
Support.
To access the latest user guide, go to http://www.hp.com/support, and select your country. Select...

ResourcesFor information aboutIMPORTANT:Do NOT return your HP product to the addresses above. For U.S. support, go to http://www.hp.com/go/contactHP. For 
worldwide support, go to 
http://welcome.hp.com/country/us/en/wwcontact_us.html.Finding information3 

2Getting to know your computer
Right
NOTE:Refer to the illustration that most closely matches your computer.ComponentDescription(1)Audio-out (headphone)/Audio-in (microphone) 
jackConnects 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.WARNING!To reduce the risk of personal injury, adjust the 
volume before putting on headphones, earbuds, or a...

ComponentDescription(6) Docking connectorConnects an optional docking device.(7)Power connectorConnects an AC adapter.ComponentDescription(1)Audio-out (headphone)/Audio-in (microphone) 
jackConnects 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.WARNING!To reduce the risk of personal injury, adjust the 
volume before putting on headphones, earbuds,...

LeftNOTE:Refer to the illustration that most closely matches your computer.ComponentDescription(1)Security cable slotAttaches 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.(2) VentsEnables 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...

ComponentDescription(1)Security cable slotAttaches 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.(2) VentsEnables 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.(3)External monitor portConnects an external VGA...

DisplayComponentDescription(1)WLAN antennas (2)*Send and receive wireless signals to communicate with wireless local 
area networks (WLAN).(2)WWAN antennas (2)*Send and receive wireless signals to communicate with wireless wide 
area networks (WWAN).(3)Internal microphonesRecord sound.(4)Webcam light On: The webcam is in use.(5)Webcam Records video and captures photographs. Some models allow you to 
video conference and chat online using streaming video.
For information on using the webcam, select Start...