HP Pavilion Dm4 1200 Entertainment Notebook Pc Series Manual

Conserving battery power
●Select the Power saver power plan through Power Options under System and Security in
Windows Control Panel.
●Turn off wireless and local area network (LAN) connections and exit modem applications when
you are not using them.
●Disconnect external devices that are not plugged into an external power source, when you are
not using them.
●Stop, disable, or remove any external media cards that you are not using.
●Use the f2 and f3 action keys to adjust screen brightness as needed.
●If...

mode to power-saving mode to conserve battery life. Similarly, when switching from battery power to
AC power, the computer switches back to the high-performance mode.
NOTE:In order to optimize computer performance, the system might not allow switching modes, or
prompt you to switch modes. It might be necessary to close all programs before switching.
NOTE:HDMI only works in the high-performance mode. HDMI cannot be used in power-saving
mode.
When switching between AC and battery power, you are notified...

6Drives
Identifying installed drives
Your computer includes a solid state drive (SSD) with solid-state memory. Because it has no moving
parts, an SSD does not generate as much heat as other hard drives.
To view the drives installed on the computer, select Start > Computer.
Handling drives
Drives are fragile computer components that must be handled with care. Refer to the following
cautions before handling drives. Additional cautions are included with the procedures to which they
apply.
CAUTION:To reduce...

Improving hard drive performance
Using Disk Defragmenter
As you use the computer, files on the hard drive become fragmented. Disk Defragmenter
consolidates the fragmented files and folders on the hard drive so that the system can run more
efficiently.
After you start Disk Defragmenter, it works without supervision. Depending on the size of your hard
drive and the number of fragmented files, Disk Defragmenter may take more than an hour to
complete. You may want to set it to run during the night or another...

Identifying HP ProtectSmart Hard Drive Protection status
The drive light on the computer turns amber to show that the drive is parked. To determine whether a
drive is currently protected or whether a drive is parked, select Start > Control Panel > Hardware
and Sound > Windows Mobility Center.
●If the software is enabled, a green check mark is superimposed over the hard drive icon.
●If the software is disabled, a red X is superimposed over the hard drive icon.
●If the drive is parked, a yellow moon is...

Replacing the hard drive
CAUTION:To prevent information loss or an unresponsive system:
Shut down the computer before removing the hard drive from the hard drive bay. Do not remove the
hard drive while the computer is on, in the Sleep state, or in Hibernation.
If you are not sure whether the computer is off or in Hibernation, turn the computer on by pressing the
power button. Then, shut down the computer through the operating system.
To remove the hard drive:
1.Save your work.
2.Shut down the computer...

9.Lift the hard drive cover up at an angle and remove it from the computer (2).
10.Disconnect the hard drive cable from the system board (1).
11.Lift the hard drive out of the hard drive bay (2).
12.Disconnect the hard drive cable from the hard drive (1).
13.Remove the screws (2) that secure the protective cover to the hard drive.
Replacing the hard drive 67 

14.Slide the protective cover (3) off the hard drive.
To install a hard drive:
1.Slide the protective cover (1) on to the hard drive.
2.Replace the screws (2) that secure the protective cover to the hard drive.
3.Connect the hard drive cable to the hard drive (3).
4.Insert the hard drive into the hard drive bay at a 45-degree angle (1).
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5.Connect the hard drive cable to the hard drive connector on the system board (2).
6.Align the tabs on the hard drive cover with the notches on the computer.
7.Close the cover (1).
8.Tighten the hard drive cover screws (2).
9.Align the tabs (1) on the memory/wireless module compartment cover with the notches on the
computer.
Replacing the hard drive 69 

10.Close the cover (2).
11.Tighten the memory/wireless module compartment cover screws (3).
12.Replace the battery.
13.Turn the computer right-side up, and then reconnect external power and external devices.
14.Turn on the computer.
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