HP Spectre XT Ultrabook CTO 13t-2100 - Manual (Page 60)

Conserving battery power
Tips for conserving battery power and maximizing battery life:
● Lower the brightness on the display.
● Select the Power saver setting in Power Options.
● Turn off wireless when you are not using them.
● Disconnect unused external devices that are not plugged into an external power source, such as
an external hard drive connected to a USB port.
● Stop, disable, or remove any external media cards that you are not using.
● Before you leave your work, initiate Sleep or Hibernation, or shut down the computer.
Identifying low battery levels
When a battery that is the sole power source for the computer reaches a low or critical battery level,
the following behavior occurs:
● The battery light (select models only) indicates a low or critical battery level.
– or –
● The power meter icon on the Windows desktop shows a low or critical battery notification.
NOTE: For additional information about the power meter, refer to “Using the power meter”
section.
The computer takes the following actions for a critical battery level:
● If Hibernation is disabled and 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.
● If Hibernation is enabled and the computer is on or in the Sleep state, the computer initiates
Hibernation.
Resolving a low battery level
Resolving a low battery level when external power is available
● Connect an AC adapter.
● Connect an optional docking or expansion device.
● Connect an optional power adapter purchased as an accessory from HP.
Resolving a low battery level when no power source is available
● Initiate Hibernation (see Enabling and exiting user-initiated hibernation on page 46 ).
● Save your work and shut down the computer.
50 Chapter 6 Managing power