HP Probook 6450 B User Guide

To use Windows Update:
1.Select Start > All Programs > Windows Update.
NOTE:If you have not previously set up windows update, you will be prompted to enter settings
before you can check for updates.
2.Click Check for updates.
3.Follow the on-screen instructions.
Optical drive (select models only) 61 

Webcam (select models only)
Your computer may include an integrated webcam, located at the top of the display. With the preinstalled
software, you can use the webcam to take a photo or record a video. You can preview the photo or video
recording and save it on your computer hard drive.
To access the webcam and HP Webcam software, select Start > All Programs > HP > HP Webcam.
The webcam software enables you to experiment with the following features:
●Capture video.
●Stream video with instant message...

tones without dramatically altering the shadows and highlights. A lower gamma setting makes
grays look black, and makes dark colors even darker.
For information about using the webcam, select Start > Help and Support.
Webcam (select models only) 63 

5 Power management
Setting power options
Using power-saving states
The computer has two power-saving states enabled at the factory: Sleep and Hibernation.
When Sleep is initiated, the power lights blink and the screen clears. Your work is saved to memory,
letting you exit Sleep faster than exiting Hibernation. If the computer is in the Sleep state for an extended
period or if the battery reaches a critical battery level while in the Sleep state, the computer initiates
Hibernation.
When Hibernation is...

NOTE:If you have set a password to be required when the computer exits Sleep, you must enter your
Windows password before your work will return to the screen.
Initiating and exiting Hibernation
The system is set at the factory to initiate Hibernation after 1080 minutes (18 hours) of inactivity when
running on battery power, 1080 minutes (18 hours) of inactivity when running on external power, or when
the battery reaches a critical battery level.
Power settings and timeouts can be changed using Power...

Viewing the current power plan
▲Click the battery meter icon in the notification area, at the far right of the taskbar.
– or –
Select Start > Control Panel > System and Security > Power Options.
Selecting a different power plan
▲Click the battery meter icon in the notification area, and then select a power plan from the list.
– or –
Select Start > Control Panel > System and Security > Power Options, and then select a power
plan from the list.
Customizing power plans
1.Click the battery meter icon in the...

Using Power Assistant (select models only)
Power Assistant allows you to configure system settings to optimize your computers power consumption
and battery charge. Power Assistant provides tools and information to help you make informed decisions
on power management:
●Power consumption predictions in hypothetical system configurations
●Predefined power profiles
●Usage details and graphs showing power consumption trends over time
Starting Power Assistant
To start Power Assistant when Windows is running:...

When you connect the computer to external AC power, the following events occur:
●The battery begins to charge.
●If the computer is turned on, the battery meter icon in the notification area changes appearance.
When you disconnect external AC power, the following events occur:
●The computer switches to battery power.
●The display brightness is automatically decreased to save battery life. To increase display
brightness, press the fn+f10 hotkey or reconnect the AC adapter.
Connecting the AC adapter...

Using 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 plugged into external AC power, the computer
runs on AC power.
If the computer contains a charged battery and is running on external AC power supplied through the
AC adapter, the computer switches to battery power if the AC adapter is disconnected from the
computer.
NOTE:The display brightness is decreased to save battery life when you...

Displaying the remaining battery charge
Move the pointer over the battery meter icon in the notification area, at the far right of the taskbar.
Inserting or removing the battery
CAUTION:Removing a battery that is the sole power source can cause loss of information. To prevent
loss of information, save your work and initiate Hibernation or shut down the computer through Windows
before removing the battery.
To insert the battery:
1.Turn the computer upside down on a flat surface, with the battery bay...