HP Elitebook 840 G2 P0c57ut Aba 14 Notebook User Manual

1.Connect an external hub (purchased separately) to the DisplayPort on your computer, using a DP-to-DP 
cable (purchased separately). Be sure that the hub power adapter is connected to AC power.
2.Connect your external display devices to the VGA ports, or DisplayPorts on the hub.
3.For details on how to set up multiple displays, press fn+f4. If you don’t see one of your connected 
displays, be sure that each device is connected to the correct port on the hub.
NOTE:Multiple display choices include...

Connect displays to computers with Intel graphics (with a built-in hub)
With your internal hub and Intel graphics controller, you can connect up to 3 display devices in the following 
configurations:
●Two 1920 x 1200 DP monitors + one 1920 x 1200 VGA monitor connected to an optional docking station
●One 2560 x 1600 DP monitor + one 1920 x 1200 VGA monitor connected to an optional docking station
To set up multiple displays, follow these steps:
1.Connect your external display devices to the VGA ports or...

6Power management
NOTE:A computer may have a power button or a power switch. The term power button is used throughout 
this guide to mean both types of power controls.
Shutting down the computer
CAUTION:Unsaved information is lost when the computer shuts down.
The shutdown command closes all open programs, including the operating system, and then turns off the 
display and computer.
Shut down the computer under any of the following conditions:
●When you need to replace the battery or access components...

NOTE:You cannot initiate any type of networking connection or perform any computer functions while the 
computer is in the Sleep state.
Intel Rapid Start Technology (select models only)
For select models, the Intel Rapid Start Technology (RST) feature is enabled by default. Rapid Start 
Technology allows your computer to resume quickly from inactivity.
Rapid Start Technology manages your power-saving options as follows:
●Sleep—Rapid Start Technology allows you to select the Sleep state. To exit from...

NOTE:If you have set a password to be required on wakeup, you must enter your Windows password 
before your work will return to the screen.
Using the power meter and power settings
The power meter is located in the notification area, at the far right of the taskbar. The power meter allows 
you to quickly access power settings and view the remaining battery charge.
●To reveal the percentage of remaining battery charge and the current power plan, point over the power  meter icon.
●To use Power Options, or...

●Battery Check tool to test battery performance
●Information on calibration, power management, and proper care and storage to maximize battery life
●Information on battery types, specifications, life cycles, and capacity
To access battery information:
▲Select Start > Help and Support > Learn > Power Plans: Frequently Asked Questions.
Using Battery Check
Help and Support provides information on the status of the battery installed in the computer.
To run Battery Check:
1.Connect the AC adapter to the...

●The power meter icon in the notification area shows a low or critical battery notification.NOTE:For additional information about the power meter, see Using the power meter and power 
settings on page 43.
If the computer is on or in the Sleep state, the computer remains briefly in the Sleep state, and then shuts 
down and loses any unsaved information.
Resolving a low battery level
Resolving a low battery level when external power is available
▲Connect one of the following devices:
●AC adapter
●Optional...

3.Insert the battery (1) into the battery bay at an angle and then press down on the battery (2) until it is 
fully seated .
On select models, the battery release latch (3) automatically locks the battery into place.
Removing a battery
To remove the battery:
CAUTION:Removing a battery that is the sole power source for the computer can cause loss of information. 
To prevent loss of information, save your work and shut down the computer through Windows before 
removing the battery.
1.Turn the computer...

4.Remove the battery from the computer (3).
Conserving battery power
●Select low power-use settings through Power Options in Windows Control Panel.
●Turn off wireless and LAN connections and exit modem applications when you are not using them.
●Disconnect unused external devices that are not plugged into an external power source.
●Stop, disable, or remove any external memory cards that you are not using.
●Decrease screen brightness.
●Before you leave your work, initiate Sleep, or shut down the computer....

Disposing of a user-replaceable battery (select models only)WARNING!To reduce the risk of fire or burns, do not disassemble, crush, or puncture; do not short external 
contacts; do not dispose of in fire or water.
See the Regulatory, Safety and Environmental Notices for proper battery disposal. To access the user guides, 
select the 
Start > Help and Support > User Guides. To access battery information, select Start> Help and 
Support
 > Learn > Power Plans: Frequently Asked Questions.
Replacing a...