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HP EliteBook 8540w User Manual

HP EliteBook 8540w
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NOTE: For additional information on recovering information using the Windows tools, perform a
search for these topics in Help and Support.
Using f11
CAUTION: Using f11 completely erases hard drive contents and reformats the hard drive. All files
you have created and any software installed on the computer are permanently removed. The f11
recovery tool reinstalls the operating system and HP programs and drivers that were installed at the
factory. Software not installed at the factory must be reinstalled.
To recover the original hard drive image using f11, follow these steps:
1. If possible, back up all personal files.
2. If possible, check for the presence of the HP Recovery partition: select Start, right-click
Computer, click Manage, and then click Disk Management.
NOTE: If the HP Recovery partition is not listed, you must recover your operating system and
programs using the Windows 7 operating system DVD and the Driver Recovery disc (both
purchased separately). For additional information, refer to the “Using a Windows 7 operating
system DVD (purchased separately)” section in this guide.
3. If the HP Recovery partition is listed, restart the computer, and then press esc while the “Press
the ESC key for Startup Menu” message is displayed at the bottom of the screen.
4. Press f11 while the “Press <F11> for recovery” message is displayed on the screen.
5. Follow the on-screen instructions.
Using a Windows 7 operating system DVD (purchased separately)
If you are unable to boot (start up) your computer and you cannot use the system repair discs you
previously created (select models only), you must purchase a Windows 7 operating system DVD to
reboot the computer and repair the operating system. Make sure that your most recent backup
(stored on discs or on an external drive) is easily accessible. To order a Windows 7 operating system
DVD, go to
http://www.hp.com/support, select your country or region, and then follow the on-screen
instructions. You can also order the DVD by calling technical support. For contact information, refer to
the Worldwide Telephone Numbers booklet included with the computer.
CAUTION: Using a Windows 7 operating system DVD completely erases hard drive contents and
reformats the hard drive. All files you have created and any software installed on the computer are
permanently removed. When reformatting is complete, the recovery process helps you restore the
operating system, as well as drivers, software, and utilities.
To initiate recovery using a Windows 7 operating system DVD, follow these steps:
NOTE: This process takes several minutes.
1. If possible, back up all personal files.
2. Restart the computer, and then insert the Windows 7 operating system DVD into the optical
drive before the Windows operating system loads.
3. When prompted, press any keyboard key.
4. Follow the on-screen instructions.
5. Click Next.
126 Chapter 7 Backup and recovery

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HP EliteBook 8540w Specifications

General IconGeneral
Bus typeDMI
SteppingB1
Tjunction100 °C
Processor cache8 MB
Processor cores4
Processor modeli7-840QM
System bus rate2.5 GT/s
Processor familyIntel® Core™ i7
Processor seriesIntel Core i7-800 Mobile Series
Processor socketSocket 988
Processor threads8
Processor codenameClarksfield
Processing Die size296 mm²
Processor frequency1.86 GHz
Processor cache typeSmart Cache
Processor lithography45 nm
Processor manufacturerIntel
Processor front side bus- MHz
PCI Express slots version2.0
Processor boost frequency3.2 GHz
Processor operating modes64-bit
ECC supported by processorNo
PCI Express configurations1x16, 2x8
Thermal Design Power (TDP)45 W
CPU multiplier (bus/core ratio)14
Maximum number of PCI Express lanes16
Number of Processing Die Transistors774 M
Motherboard chipsetIntel® QM57 Express
HDD speed7200 RPM
HDD interfaceSATA
Optical drive type-
Card reader integratedYes
Total storage capacity500 GB
Number of HDDs installed1
Display diagonal15.6 \
Native aspect ratio16:9
Modem speed56 Kbit/s
Power supply typeAC/DC
Intel segment taggingEnterprise
Compliance industry standardsIEEE802.3, IEEE802.3u, IEEE802.3ab
Internal memory4 GB
Memory clock speed1333 MHz
Internal memory typeDDR3-SDRAM
Maximum internal memory8 GB
Number of built-in speakers2
Pointing deviceTouchpad
Wi-Fi standards802.11a, 802.11b, 802.11g
Bluetooth version2.1+EDR
Cabling technology10/100/1000Base-T(X)
Networking featuresGigabit Ethernet
Operating system installedWindows 7 Professional
Charging port typeDC-in jack
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.
CardBus PCMCIA slots quantity0
AC adapter power150 W
Battery capacity73 Wh
Product colorBlack, Silver
Country of originChina
Processor ARK ID43125
Processor package size37.5 x 37.5 mm
Supported instruction setsSSE4.2
Intel® Turbo Boost Technology1.0
Physical Address Extension (PAE)36 bit
Weight and Dimensions IconWeight and Dimensions
Depth251.5 mm
Width373.5 mm
Height32.4 mm
Weight2950 g

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