HP Pavilion Dm1 4400 Notebook Pc Series Manual

4.Connect the hard drive cable connector (4).
5.Lower the service door onto the computer (1), and then slide the door (2) toward the battery bay
until the battery/service door latch snaps into place.
6.Replace the battery.
7.Reconnect external power and external devices.
8.Turn on the computer.
Improving performance 51 

Using HP 3D DriveGuard (select models only)
HP 3D DriveGuard protects a hard drive by parking the drive and halting data requests under either of
the following conditions:
●You drop the computer.
●You move the computer with the display closed while the computer is running on battery power.
A short time after the end of one of these events, HP 3D DriveGuard returns the hard drive to normal
operation.
NOTE:Hard drives in the primary hard drive bay or in the secondary hard drive bay are protected
by HP 3D...

Adding or replacing memory modules
The computer has two memory module slots. The capacity of the computer can be upgraded by
adding a memory module to the vacant expansion memory module slot or by upgrading the existing
memory module in the primary memory module slot.
WARNING!To reduce the risk of electric shock and damage to the equipment, unplug the power
cord and remove all batteries before installing a memory module.
CAUTION:Electrostatic discharge (ESD) can damage electronic components. Before...

b.Grasp the edge of the memory module (2), and then gently pull the memory module out of
the memory module slot.
CAUTION:To prevent damage to the memory module, hold the memory module by the
edges only. Do not touch the components on the memory module.
To protect a memory module after removal, place it in an electrostatic-safe container.
6.Insert a new memory module:
CAUTION:To prevent damage to the memory module, hold the memory module by the edges
only. Do not touch the components on the memory...

c.Gently press the memory module (3) down, applying pressure to both the left and right
edges of the memory module, until the retention clips snap into place.
CAUTION:To prevent damage to the memory module, be sure that you do not bend the
module.
7.Replace the service door (see Installing a hard drive on page 50).
8.Replace the battery.
9.Reconnect external power and external devices.
10.Turn on the computer.
Updating programs and drivers
HP recommends that you update your programs and drivers on a...

Cleaning the display, sides, and cover
Gently wipe the display using a soft, lint-free cloth moistened with an alcohol-free glass cleaner. Allow
the display to dry before closing the computer cover.
Use a pre-moistened germicidal wipe to clean the sides and cover. Fibrous materials, such as paper
towels, can scratch the computer.
NOTE:When cleaning the cover of the computer, use a circular motion to aid in removing dirt and
debris.
Cleaning the TouchPad and keyboard
CAUTION:Never allow liquids to drip...

●If the computer has a wireless device installed, the use of these devices may be restricted in
some environments. Such restrictions may apply onboard aircraft, in hospitals, near explosives,
and in hazardous locations. If you are uncertain of the policy that applies to the use of a
particular device, ask for authorization to use your computer before you turn it on.
●If you are traveling internationally, follow these suggestions:
◦Check the computer-related customs regulations for each country or region...

9 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...

For additional information about Windows passwords, such as screen-saver passwords, see Help
and Support. To access Help and Support, from the Start screen, type help, and then select Help
and Support from the list of apps.
Setting Windows passwords
Password Function
User password Protects access to a Windows user account. You may also
set up your computer to require the user password to exit
Sleep or Hibernation. See 
Setting password protection onwakeup on page 34 for more information.
Administrator...

Using Internet security software
When you use your computer to access email, a network, or the Internet, you potentially expose your
computer to computer viruses, spyware, and other online threats. To help protect your computer,
Internet security software that includes antivirus and firewall features may be preinstalled on your
computer as a trial offer. To provide ongoing protection against newly discovered viruses and other
security risks, security software must be kept up to date. It is strongly...