HP ProBook 4540s User Manual

5. Using the arrow keys, select Yes when prompted: Do you want to start the System-Restore?
6. Follow the on-screen instructions.
USB Recovery option (select models only)
The USB Recovery Disk On Key (flash drive) option allows you to create a backup image of the
SLED operating system installed on select HP Business Notebooks. This Disk On Key may be used
to restore the system to the original factory state when the F11 recovery option is not available. This
process should be done on first obtaining the computer.
CAUTION: The USB recovery option does not preserve data present on the computer’s hard drive
or on the Disk On Key used for the recovery process. Back up any data on the Disk on Key or the
notebook that will be recovered before starting.
NOTE: HP recommends that you create the USB Recovery Disk in the event of a system failure.
The Disk On Key used for this process should be 4 GB or larger.
Creating a USB Recovery Disk On Key
1. Connect the USB Disk On Key to a USB port on the computer.
2. Select Computer > More applications > Tools > Create Recovery USB.
3. Enter the root password when prompted.
4. Select USB Disk On Key from the list.
5. Click OK.
6. A question dialog will remind you that the data on the USB key will be destroyed. To continue,
click OK. Otherwise, click Cancel and back up the contents of the Disk On Key on another
computer.
7. The backup process will display a status dialog box while the backup is in progress.
NOTE: A file browser window with the Disk On Key Contents displayed will pop up when the
key is mounted. You may close the file browser window if desired. Once the USB Recovery Key
has been created, the status dialog will close. The USB Recovery Key is ready for use.
Recovering from a USB Recovery Disk On Key
CAUTION: Before starting the Recovery process, make sure any data on the system to be
recovered has been backed up. The recovery process destroys all data on the system to be
recovered.
1. Turn off the computer.
2. Connect the USB Disk On Key to a USB port on the computer.
3. Turn on the computer while holding down the f9 key.
4. Once the system has booted, the Boot Options menu should appear.
5. Using the arrow keys, select USB Disk On Key and press enter.
NOTE: The description may vary from one USB key to another. Any entry other than Optical
Disk Drive, Notebook Hard Drive or Notebook Ethernet should be the USB Recovery Disk On
Key.
152 Chapter 7 Backup and recovery

HP ProBook 4540s Specifications

General

Form factor	Clamshell
Product type	Laptop
Product color	Black, Grey
Country of origin	China
Memory slots	2x SO-DIMM
Internal memory	2 GB
Memory clock speed	1333 MHz
Internal memory type	DDR3-SDRAM
Maximum internal memory	8 GB
Memory layout (slots x size)	1 x 2 GB
HDD speed	5400 RPM
HDD interface	SATA
Storage media	HDD
Optical drive type	DVD Super Multi DL
Card reader integrated	Yes
Total storage capacity	750 GB
Compatible memory cards	SD, SDHC, SDXC
Number of HDDs installed	1
Display diagonal	15.6 \
Display resolution	1366 x 768 pixels
Native aspect ratio	16:9
On-board graphics card ID	0x166
Discrete graphics card model	AMD Radeon HD 7650M
On-board graphics card model	Intel® HD Graphics 4000
Discrete graphics card memory	1 GB
Discrete graphics memory type	GDDR3
On-board graphics card base frequency	650 MHz
On-board graphics card dynamic frequency (max)	1000 MHz
Intel segment tagging	Enterprise
Number of built-in speakers	2
Front camera signal format	720p
Charging port type	DC-in jack
DisplayPorts quantity	0
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.
Wi-Fi standards	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Battery capacity	47 Wh
Battery life (max)	7 h
Number of battery cells	6
Sustainability certificates	ENERGY STAR
Pointing device	Touchpad
Bus type	DMI
Stepping	L1
Tjunction	90 °C
Processor cache	3 MB
Processor model	i3-3110M
System bus rate	5 GT/s
Processor family	Intel® Core™ i3
Processor socket	BGA 1023
Processor threads	4
Processor codename	Ivy Bridge
Processor frequency	2.4 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
PCI Express configurations	1x16, 2x8, 1x8+2x4
Thermal Design Power (TDP)	35 W
CPU multiplier (bus/core ratio)	24
Maximum number of PCI Express lanes	16
Operating system installed	FreeDOS
AC adapter power	90 W
Processor code	SR0N2
Processor ARK ID	65700
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

Weight and Dimensions

Depth	256 mm
Width	375 mm
Height	28 mm
Weight	247 g