HP Envy 15-1002xx Notebook PC - Manual (Page 63)

Resolving a low battery level
CAUTION: To reduce the risk of losing information when the computer reaches a critical battery level
and has initiated Hibernation, do not restore power until the power light turns off.
Resolving a low battery level when external power is available
▲ Connect one of the following devices:
● AC adapter
● Optional power adapter purchased as an accessory from HP
Resolving a low battery level when a charged battery is available
1. Turn off the computer or initiate Hibernation.
2. Remove the discharged battery, and then insert a charged battery.
3. Turn on the computer.
Resolving a low battery level when no power source is available
▲ Initiate Hibernation.
– or –
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. Insert a charged battery or plug the computer into external power.
2. Exit Hibernation by pressing the power button.
Using the accessory battery (select models only)
An accessory battery can add hours of battery life to your computer.
Using battery power 53