●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 Desktop 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 34.
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.
●Save your work and shut down the computer.
Resolving a low battery level when the computer cannot exit Hibernation
When the computer lacks sufficient power to exit Hibernation, follow these steps:
1.Replace the discharged
2.Exit Hibernation by pressing the power button.
Storing a user-replaceable battery
CAUTION: To reduce the risk of damage to a battery, do not expose it to high temperatures for extended periods of time.
If a computer will be unused and unplugged from external power for more than 2 weeks, remove the battery and store it separately in a cool, dry place to prolong the battery charge.
Running on battery power 37
