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HP ProBook 4540s User Manual

HP ProBook 4540s
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9 Recycling
Battery
When a non-rechargeable or rechargeable battery has reached the end of its useful life, do not
dispose of the battery in general household waste. Follow the local laws and regulations in your area
for battery disposal.
HP encourages customers to recycle used electronic hardware, HP original print cartridges, and
rechargeable batteries. For more information about recycling programs, see the HP Web site at http://
www.hp.com/recycle.
Display
WARNING! The backlight contains mercury. Exercise caution when removing and handling the
backlight to avoid damaging this component and causing exposure to the mercury.
CAUTION: The procedures in this chapter can result in damage to display components. The only
components intended for recycling purposes are the LCD panel and the backlight. When you remove
these components, handle them carefully.
NOTE: Materials Disposal. This HP product contains mercury in the backlight in the display
assembly that might require special handling at end-of-life. Disposal of mercury may be regulated
because of environmental considerations. For disposal or recycling information, contact your local
authorities, or see the Electronic Industries Alliance (EIA) Web site at
http://www.eiae.org.
This section provides disassembly instructions for the display assembly. The display assembly must
be disassembled to gain access to the backlight (1) and the liquid crystal display (LCD) panel (2).
NOTE: The procedures provided in this chapter are general disassembly instructions. Specific
details, such as screw sizes, quantities, and locations, and component shapes and sizes, can vary
from one computer model to another.
Battery 157

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HP ProBook 4540s Specifications

General IconGeneral
Form factorClamshell
Product typeLaptop
Product colorBlack, Grey
Country of originChina
Memory slots2x SO-DIMM
Internal memory2 GB
Memory clock speed1333 MHz
Internal memory typeDDR3-SDRAM
Maximum internal memory8 GB
Memory layout (slots x size)1 x 2 GB
HDD speed5400 RPM
HDD interfaceSATA
Storage mediaHDD
Optical drive typeDVD Super Multi DL
Card reader integratedYes
Total storage capacity750 GB
Compatible memory cardsSD, SDHC, SDXC
Number of HDDs installed1
Display diagonal15.6 \
Display resolution1366 x 768 pixels
Native aspect ratio16:9
On-board graphics card ID0x166
Discrete graphics card modelAMD Radeon HD 7650M
On-board graphics card modelIntel® HD Graphics 4000
Discrete graphics card memory1 GB
Discrete graphics memory typeGDDR3
On-board graphics card base frequency650 MHz
On-board graphics card dynamic frequency (max)1000 MHz
Intel segment taggingEnterprise
Number of built-in speakers2
Front camera signal format720p
Charging port typeDC-in jack
DisplayPorts quantity0
USB 2.0 ports quantityUSB 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.
Wi-Fi standards802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LAN data rates10, 100, 1000 Mbit/s
Battery capacity47 Wh
Battery life (max)7 h
Number of battery cells6
Sustainability certificatesENERGY STAR
Pointing deviceTouchpad
Bus typeDMI
SteppingL1
Tjunction90 °C
Processor cache3 MB
Processor modeli3-3110M
System bus rate5 GT/s
Processor familyIntel® Core™ i3
Processor socketBGA 1023
Processor threads4
Processor codenameIvy Bridge
Processor frequency2.4 GHz
Processor cache typeSmart Cache
Processor lithography22 nm
Processor manufacturerIntel
Processor front side bus- MHz
PCI Express slots version2.0
Processor operating modes64-bit
PCI Express configurations1x16, 2x8, 1x8+2x4
Thermal Design Power (TDP)35 W
CPU multiplier (bus/core ratio)24
Maximum number of PCI Express lanes16
Operating system installedFreeDOS
AC adapter power90 W
Processor codeSR0N2
Processor ARK ID65700
Processor package size37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023) mm
Supported instruction setsAVX
Intel Identity Protection Technology version1.00
Weight and Dimensions IconWeight and Dimensions
Depth256 mm
Width375 mm
Height28 mm
Weight247 g

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