HP ProBook 4440s User Manual

Maximizing battery life
To maximize battery life:
1. Select Computer > Control Center.
2. In the left pane, click System, and then click Power Management in the right pane.
3. On the On Battery Power tab:
●
Adjust the slider to the right of Put computer to sleep when inactive for to 30 minutes.
●
Select the Suspend or Hibernate option from the dialog box to the right of When laptop
lid is closed.
●
Select the Hibernate or Shutdown option from the dialog box to the right of When battery
power is critically low.
4. Adjust the slider to the right of Put display to sleep when inactive for to 15 minutes, and select
the check box next to Reduce backlight brightness.
5. Select the check box next to Dim display when idle.
6. Click Close.
CAUTION: Removing a battery that is the sole power source for the computer can cause loss of
information. To prevent loss of information, save your work and initiate Hibernation or shut down the
computer before removing the battery.
Managing low battery levels
The information in this section describes the alerts and system responses set at the factory. Some
low-battery alerts and system responses can be changed using Power Management in Control
Center. Preferences set using Power Management do not affect lights.
Identifying low battery levels
When a battery that is the sole power source for the computer reaches a low or critical battery level,
the following behavior occurs:
●
If Hibernation is enabled and the computer is on or in Suspend, the computer initiates
Hibernation.
●
If Hibernation is disabled and the computer is on or in Suspend, the computer remains briefly in
Suspend, and then shuts down and loses any unsaved information.
Using battery power 45

HP ProBook 4440s Specifications

General

Bus type	DMI
Tjunction	105 °C
Processor cache	3 MB
Processor cores	2
System bus rate	5 GT/s
Processor family	Intel® Core™ i3
Processor series	Intel Core i3-3100 Mobile Series
Processor socket	-
Processor threads	4
Processor codename	Ivy Bridge
Processor frequency	2.5 GHz
Processor cache type	Smart Cache
Processor lithography	22 nm
Processor manufacturer	Intel
Processor front side bus	- MHz
PCI Express slots version	2.0
Processor operating modes	64-bit
ECC supported by processor	No
PCI Express configurations	1x16, 2x8, 1x8+2x4
Thermal Design Power (TDP)	35 W
CPU multiplier (bus/core ratio)	25
Maximum number of PCI Express lanes	16
Motherboard chipset	Intel HM76 Express
Memory slots	2x SO-DIMM
Internal memory	4 GB
Memory clock speed	1333 MHz
Internal memory type	DDR3-SDRAM
Maximum internal memory	- GB
HDD size	2.5 \
HDD speed	7200 RPM
HDD interface	SATA
Storage media	HDD
Optical drive type	DVD Super Multi DL
Card reader integrated	Yes
Total storage capacity	500 GB
Number of HDDs installed	1
Panel type	TN
Pixel pitch	0.227 x 0.227 mm
Display diagonal	14 \
Display brightness	200 cd/m²
Display resolution	1366 x 768 pixels
Native aspect ratio	16:9
Contrast ratio (typical)	400:1
On-board graphics card ID	0x166
Discrete graphics card model	Not available
On-board graphics card model	Intel® HD Graphics 4000
On-board graphics card family	Intel® HD Graphics
On-board graphics card base frequency	650 MHz
On-board graphics card dynamic frequency (max)	1100 MHz
Disc types supported	CD-R, CD-RW, DVD+R, DVD+R DL, DVD+RW, DVD-R, DVD-R DL, DVD-RW
Intel segment tagging	Enterprise
Audio system	SRS Premium PRO
Front camera resolution	1280 x 720 pixels
Data network	Not supported
Wi-Fi standards	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Bluetooth version	4.0
Cabling technology	10/100/1000Base-T(X)
Networking standards	IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.3, IEEE 802.3ab, IEEE 802.3u
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Charging port type	DC-in jack
Headphone connectivity	3.5 mm
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
eSATA/USB 2.0 ports quantity	0
Pointing device	Touchpad
Bundled software	Cyberlink Media Suite\\r HP Recovery Manager\\r HP Support Assistant\\r Software HP Hotkey Support\\r HP Peak Power Manager\\r HP Power Assistant\\r HP Connection Manager\\r HP Wireless Hotspot\\r HP Wireless Assistant\\r ArcSoft Total Media Suite\\r WinZip
Operating system installed	Windows 7 Professional
Form factor	Clamshell
Product type	Laptop
Product color	Silver
Housing material	Aluminium, Plastic
Country of origin	China
Processor ARK ID	71465
Processor package size	37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023) mm
Supported instruction sets	AVX
Intel Identity Protection Technology version	1.00
Battery capacity	47 Wh
Battery life (max)	7.5 h
Number of battery cells	6
AC adapter power	65 W
Cables included	AC
Sustainability certificates	ENERGY STAR
Storage temperature (T-T)	-20 - 60 °C
Operating temperature (T-T)	0 - 35 °C
Storage relative humidity (H-H)	5 - 95 %
Operating relative humidity (H-H)	10 - 90 %

Weight and Dimensions

Depth	235 mm
Width	339 mm
Height	28 mm
Weight	2070 g