HP Pavilion Dm4 3000 Beats Edition Entertainment Notebook Pc Series Manual

B Cleaning your computer
Cleaning the display
Gently wipe the display using a soft, lint-free cloth moistened with an alcohol-free glass cleaner. Be
sure that the display is dry before closing the display.
Cleaning the sides and cover
To clean and disinfect the sides and cover, use a soft microfiber cloth or a static-free cloth without oil
(such as a chamois) moistened with an alcohol-free glass cleaner or use an acceptable germicidal
disposable wipe.
NOTE:When cleaning the cover of the computer, use a...

C Traveling with the computer
For best results, follow these traveling and shipping tips:
●Prepare the computer for traveling or shipping:
◦Back up your information.
◦Remove all discs and all external media cards, such as digital cards.
CAUTION:To reduce the risk of damage to the computer, damage to a drive, or loss of
information, remove the media from a drive before removing the drive from a drive bay and
before shipping, storing, or traveling with a drive.
◦Turn off and then disconnect all external...

hazardous locations. If you are uncertain of the policy that applies to the use of a particular
device, ask for authorization to use it before you turn it on.
●If you are traveling internationally, follow these suggestions:
◦Check the computer-related customs regulations for each country or region on your
itinerary.
◦Check the power cord and adapter requirements for each location in which you plan to use
the computer. Voltage, frequency, and plug configurations vary.
WARNING!To reduce the risk of...

D Updating programs and drivers
HP recommends that you update your programs and drivers on a regular basis to the latest versions.
Go to 
http://www.hp.com/support to download the latest versions. You can also register to receive
automatic update notifications when they become available.
104 Appendix D   Updating programs and drivers 

E Electrostatic Discharge
Electrostatic discharge is the release of static electricity when two objects come into contact—for
example, the shock you receive when you walk across the carpet and touch a metal door knob.
A discharge of static electricity from fingers or other electrostatic conductors may damage electronic
components. To prevent damage to the computer, damage to a drive, or loss of information, observe
these precautions:
●If removal or installation instructions direct you to unplug the...

F Specifications
Input power
The power information in this section may be helpful if you plan to travel internationally with the
computer.
The computer operates on DC power, which can be supplied by an AC or a DC power source. The
AC power source must be rated at 100–240 V, 50–60 Hz. Although the computer can be powered
from a standalone DC power source, it should be powered only with an AC adapter or a DC power
source supplied and approved by HP for use with this computer.
The computer can operate on DC...

Operating environment
Factor Metric U.S.
Temperature
Operating5°C to 35°C41°F to 95°F
Nonoperating-20°C to 60°C-4°F to 140°F
Relative humidity (noncondensing)
Operating10% to 90%10% to 90%
Nonoperating5% to 95%5% to 95%
Maximum altitude (unpressurized)
Operating-15 m to 3,048 m-50 ft to 10,000 ft
Nonoperating-15 m to 12,192 m-50 ft to 40,000 ft
Operating environment 107 

Index
A
AC adapter, testing 50
action keys
decrease screen brightness
30
Help and Support 30
identifying 8
increase screen brightness 30
keyboard backlight 30
next track or section 30
play, pause, resume 30
previous track or section 30
switch screen image 30
volume 34
volume down 31
volume mute 31
volume up 31
wireless 31
airport security devices 57
antivirus software 78
audio functions, checking 34
audio-in (microphone) jack,
identifying 10
audio-out (headphone) jack,
identifying 10
B
b key, identifying...

E
electrostatic discharge 105
esc key, identifying 8
existing wireless network,
connecting to 21
external AC power, using 49
external devices 56
external drive 56
external monitor port 11, 36
F
f11 83
fingerprint reader light 5
firewall software 22, 78
fn key, identifying 8, 32
G
graphics modes, switching 51
H
hard drive
external 56
HP 3D DriveGuard 59
installing 63
removing 61
hard drive bay, identifying 13
HDMI
configuring audio 37
HDMI port, connecting 37
HDMI port, identifying 11
headphone...

optical drive eject button,
identifying 10
optical drive, identifying 10
optional external devices, using
56
P
passwords
set in Setup Utility (BIOS) 76
set in Windows 76
pinching TouchPad gesture 29
pointing devices, setting
preferences 25
ports
external monitor 11, 36
HDMI 11, 37
USB 10, 11
VGA 36
power
battery 45
conserving 48
options 41
power button, identifying 6
power connector, identifying 10
power lights, identifying 5
power meter 43
power plans
customizing 43
selecting 43
viewing current 43...