HP Pavilion 15 Ab000 Notebook Pc Series Manual

Running on battery power
When a charged battery is in the computer and the computer is not plugged into external power, the
computer runs on battery power. When the computer is off and unplugged from external power, the
battery in the computer slowly discharges. The computer will display a message when the battery
reaches a low or critical battery level.
Computer battery life varies, depending on power management settings, programs running on the
computer, screen brightness, external devices connected to...

Finding battery information
To access battery information:
1.From the Start screen, type support, and then select the HP Support Assistant app.
‒ or –
From the Windows desktop, click the question mark icon in the notification area, at the far right
of the taskbar.
2.Select Battery and Performance.
HP Support Assistant provides the following tools and information about the battery:
●Battery Check
●Information about battery types, specifications, life cycles, and capacity
Conserving battery power
To...

Resolving a low battery level
Resolving a low battery level when external power is available
Connect one of the following to the computer and to external power:
●AC adapter
●Optional docking or expansion device
●Optional power adapter purchased as an accessory from HP
Resolving a low battery level when no power source is available
Save your work and shut down the computer.
Resolving a low battery level when the computer cannot exit Hibernation
1.Replace the discharged user-replaceable battery with a...

WARNING!To reduce potential safety issues, use only the AC adapter provided with the computer,
a replacement AC adapter provided by HP, or a compatible AC adapter purchased from HP.
Connect the computer to AC power under any of the following conditions:
WARNING!Do not charge the computer battery while you are aboard aircraft.
●When charging or calibrating a battery
●When installing or modifying system software
●When writing information to a disc (select models only)
●When running Disk Defragmenter on...

Shutting down (turning off) the computer
CAUTION:Unsaved information is lost when the computer shuts down. Be sure to save your work
before shutting down the computer.
The Shut down 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 inside the computer
●When you are connecting an external hardware device that does not connect...

7 Maintaining your computer
It is important to perform regular maintenance to keep your computer in optimal condition. This
chapter explains how to use tools like Disk Defragmenter and Disk Cleanup. It also provides
instructions for updating programs and drivers, steps to clean the computer, and tips for traveling with
(or shipping) the computer.
Improving performance
You can improve the performance of your computer by performing regular maintenance tasks with
tools such as Disk Defragmenter and Disk...

A short time after the end of one of these events, HP 3D DriveGuard returns the hard drive to normal
operation.
NOTE:Because solid-state drives (SSDs) lack moving parts, HP 3D DriveGuard is unnecessary.
NOTE:A hard drive in a primary hard drive bay or in a secondary hard drive bay is protected by HP
3D DriveGuard. A hard drive installed in an optional docking devices or connected to a USB port is
not protected by HP 3D DriveGuard.
For more information, see the HP 3D DriveGuard software Help.
Identifying...

Fibrous materials, such as paper towels, can scratch the computer. Over time, dirt particles and
cleaning agents can get trapped in the scratches.
Cleaning procedures
Follow the procedures in this section to safely clean your computer.
WARNING!To prevent electric shock or damage to components, do not attempt to clean your
computer while it is on.
1.Turn off the computer.
2.Disconnect AC power.
3.Disconnect all powered external devices.
CAUTION:To prevent damage to internal components, do not spray...

◦Turn off and then disconnect all external devices.
◦Shut down the computer.
●Take along a backup of your information. Keep the backup separate from the computer.
●When traveling by air, carry the computer as hand luggage; do not check it in with the rest of
your luggage.
CAUTION:Avoid exposing a drive to magnetic fields. Security devices with magnetic fields
include airport walk-through devices and security wands. Airport conveyer belts and similar
security devices that check carry-on baggage use X-rays...

8 Securing your computer and information
Computer security is essential for protecting the confidentiality, integrity, and availability of your
information. Standard security solutions provided by the Windows operating system, HP applications,
the non-Windows Setup Utility (BIOS), and other third-party software can help protect your computer
from a variety of risks, such as viruses, worms, and other types of malicious code.
IMPORTANT:Some security features listed in this chapter may not be available on...