Resolving Low-Battery Conditions - HP Compaq Series Hardware Manual

Resolving Low-Battery Conditions

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CAUTION: If the notebook has reached a critical low-battery condition
and has initiated Hibernation, do not restore power until the
Power/Standby light turns off.
When External Power Is Available
To resolve a low-battery condition when external power is
available, do one of the following:
Connect the AC adapter.
Plug an optional Automobile Power Adapter/Charger into the
notebook and into a vehicle cigarette lighter receptacle.
Plug an optional Aircraft Power Adapter into the notebook
and into the in-seat power supply available on some
commercial aircraft. (An optional Aircraft Power Adapter
can run the notebook but cannot charge a battery pack.)
When a Charged Battery Pack Is Available
To resolve a low-battery condition when a charged battery pack is
available, turn off the notebook or initiate Hibernation, insert a
charged battery pack, then turn on the notebook.
When No Power Source Is Available
To resolve a low-battery condition when no power source is
available, initiate Hibernation, or save your work and shut down
the notebook.
When the Notebook Cannot Exit Hibernation
To resolve a low-battery condition when the notebook lacks the
power to exit Hibernation:
1. Insert a charged battery pack or connect external power.
2. Exit Hibernation by briefly pressing the power button.
Hardware Guide
Battery Packs
3–12