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Input power

The power information in this section may be helpful if you plan to travel internationally with the
computer.

The computer operates on DC power, which can be supplied by an AC or a DC power source. The
AC power source must be rated at 100–240 V, 50–60 Hz. Although the computer can be powered
from a standalone DC power source, it should be powered only with an AC adapter or a DC power
source supplied and approved by HP for use with this computer.

The computer can operate on DC power within the following specifications.

Input power

Rating

Operating voltage and current

18.5 V dc @ 3.5 A - 65W

DC plug of external HP power supply

NOTE:

This product is designed for IT power systems in Norway with phase-to-phase voltage not

exceeding 240 V rms.

NOTE:

The computer operating voltage and current can be found on the system regulatory label.

50

Chapter 8 Specifications

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Содержание LW475UA

Страница 1: ...Getting Started HP Notebook ...

Страница 2: ...ble for technical or editorial errors or omissions contained herein First Edition May 2011 Document Part Number 636770 001 Product notice This guide describes features that are common to most models Some features may not be available on your computer Software terms By installing copying downloading or otherwise using any software product preinstalled on this computer you agree to be bound by the t...

Страница 3: ...other hard surface such as an adjoining optional printer or a soft surface such as pillows or rugs or clothing to block airflow Also do not allow the AC adapter to come into contact with the skin or a soft surface such as pillows or rugs or clothing during operation The computer and the AC adapter comply with the user accessible surface temperature limits defined by the International Standard for ...

Страница 4: ...iv Safety warning notice ...

Страница 5: ...6 Using an Internet service provider ISP 17 Connecting to a wireless network 17 Connecting to an existing WLAN 17 Setting up a new WLAN network 18 Configuring a wireless router 19 Protecting your WLAN 19 4 Keyboard and pointing devices 20 Using the keyboard 21 Using the action keys 21 Using pointing devices 22 Setting pointing device preferences 22 Using the TouchPad 22 Turning the TouchPad off an...

Страница 6: ...d 38 6 Backup and recovery 39 Restore 40 Creating restore media 40 Performing a system restore 41 Restoring using the dedicated recovery partition select models only 41 Restoring using the restore media 42 Changing the computer boot order 43 Backing up and recovering your information 43 Using Windows Backup and Restore 44 Using Windows system restore points 45 When to create restore points 45 Crea...

Страница 7: ...Index 52 vii ...

Страница 8: ...viii ...

Страница 9: ...or free updates For more information refer to the HP Notebook Reference Guide For instructions on accessing this guide refer to Finding information on page 2 Get to know your computer Learn about your computer features Refer to Getting to know your computer on page 4 and Keyboard and pointing devices on page 20 for additional information Find installed software Access a list of the software preins...

Страница 10: ...de Select Start Help and Support User Guides or Select Start All Programs HP HP Documentation Power management features How to maximize battery life How to use the multimedia features of the computer How to protect the computer How to care for the computer How to update the software Help and Support To access Help and Support select Start Help and Support NOTE For country or region specific suppor...

Страница 11: ...s HP HP Documentation View Warranty Information or Go to http www hp com go orderdocuments Warranty information You may find the expressly provided HP Limited Warranty applicable to your product located with the electronic guides on your computer and or on the CD DVD provided in the box Some countries regions may provide a printed HP Limited Warranty in the box In countries regions where the warra...

Страница 12: ...ottom Top TouchPad Component Description 1 TouchPad light Turns the TouchPad on and off Quickly double tap the TouchPad light to turn the TouchPad on and off 2 TouchPad zone Moves the pointer and selects or activates items on the screen 4 Chapter 2 Getting to know your computer ...

Страница 13: ...e The computer is in the Sleep state Off The computer is off or in Hibernation NOTE Another power light is located on the left side of the computer 2 Mute light Amber Computer sound is off Off Computer sound is on 3 Wireless light White An integrated wireless device such as a wireless local area network WLAN device and or a Bluetooth device is on Amber All wireless devices are off 4 Caps lock ligh...

Страница 14: ...t Description 5 TouchPad light Amber The TouchPad is off Off The TouchPad is on 6 Fingerprint reader light White Fingerprint read is good Amber Fingerprint read is bad 6 Chapter 2 Getting to know your computer ...

Страница 15: ...uter is in Hibernation press the button briefly to exit Hibernation If the computer has stopped responding and Windows shutdown procedures are ineffective press and hold the power button for at least 5 seconds to turn off the computer To learn more about your power settings select Start Control Panel System and Security Power Options or refer to the HP Notebook Reference Guide 2 Fingerprint reader...

Страница 16: ...y Executes frequently used system functions when pressed in combination with the esc key 3 Windows logo key Displays the Windows Start menu 4 Windows applications key Displays a shortcut menu for items beneath the pointer 5 Action keys Execute frequently used system functions 8 Chapter 2 Getting to know your computer ...

Страница 17: ...escription 1 Digital Media Slot Supports the following digital card formats MultiMediaCard Secure Digital SD Card Secure Digital High Capacity SDHC Memory Card standard and large size 2 Speakers 2 Produce sound Front 9 ...

Страница 18: ...an optical disc 3 USB ports 2 Connect optional USB devices 4 Battery light White The computer is connected to external power and the battery is fully charged Amber A battery is charging Blinking The battery has reached a low or critical battery level or there is a battery error 5 Power connector Connects an AC adapter 10 Chapter 2 Getting to know your computer ...

Страница 19: ...ore putting on headphones earbuds or a headset For additional safety information refer to the Regulatory Safety and Environmental Notices NOTE When a device is connected to the jack the computer speakers are disabled 5 Drive light Blinking white The hard drive is being accessed Amber HP ProtectSmart Hard Drive Protection has temporarily parked the hard drive NOTE For information on HP ProtectSmart...

Страница 20: ...ork is showing activity 9 RJ 45 network jack Connects a network cable 10 HDMI port Connects an optional video or audio device such as a high definition television or any compatible digital or audio component 11 USB port Connects optional USB devices 12 Chapter 2 Getting to know your computer ...

Страница 21: ...cam Records video and captures still photographs To use the webcam select Start All Programs Cyberlink Youcam 5 Internal microphone Records sound The antennas are not visible from the outside of the computer For optimal transmission keep the areas immediately around the antennas free from obstructions To see wireless regulatory notices refer to the section of the Regulatory Safety and Environmenta...

Страница 22: ... to cool internal components NOTE The computer fan starts up automatically to cool internal components and prevent overheating It is normal for the internal fan to cycle on and off during routine operation 14 Chapter 2 Getting to know your computer ...

Страница 23: ...ry release latch Releases the battery from the battery bay 4 Vents 5 Enable airflow to cool internal components NOTE The computer fan starts up automatically to cool internal components and prevent overheating It is normal for the internal fan to cycle on and off during routine operation 5 Hard drive bay Holds the hard drive 6 Memory module compartment Contains the memory module slots Bottom 15 ...

Страница 24: ...port one or both of the following types of Internet access Wireless For mobile Internet access you can use a wireless connection Refer to Connecting to an existing WLAN on page 17 or Setting up a new WLAN network on page 18 Wired You can access the Internet by connecting to a wired network For information on connecting to a wired network refer to the HP Notebook Reference Guide 16 Chapter 3 Networ...

Страница 25: ...d You can use the Windows Connect to the Internet Wizard to connect to the Internet in any of these situations You already have an account with an ISP You do not have an Internet account and want to select an ISP from the list provided within the wizard The list of ISP providers is not available in all regions You have selected an unlisted ISP and the ISP has provided you with information such as ...

Страница 26: ...ervice purchased from an Internet service provider ISP A wireless router purchased separately 2 Your new wireless computer 3 NOTE Some modems have a built in wireless router Check with your ISP to determine what type of modem you have The illustration shows an example of a completed WLAN network installation that is connected to the Internet As your network grows additional wireless and wired comp...

Страница 27: ...work Then follow the on screen instructions NOTE It is recommended that you initially connect your new wireless computer to the router by using the network cable provided with the router When the computer successfully connects to the Internet you can disconnect the cable and then access the Internet through your wireless network Protecting your WLAN When you set up a WLAN or access an existing WLA...

Страница 28: ...4 Keyboard and pointing devices Using the keyboard Using pointing devices 20 Chapter 4 Keyboard and pointing devices ...

Страница 29: ...cription f1 Opens Help and Support which provides information about your Windows operating system and computer answers to questions and tutorials and updates to your computer Help and Support also provides automated troubleshooting and links to support specialists f2 Decreases the screen brightness level incrementally when you hold down this key f3 Increases the screen brightness level incremental...

Страница 30: ...parately by connecting it to one of the USB ports on the computer Setting pointing device preferences Use Mouse Properties in Windows to customize settings for pointing devices such as button configuration click speed and pointer options To access Mouse Properties select Start Devices and Printers Then right click the device representing your computer and select Mouse settings Using the TouchPad T...

Страница 31: ...uchPad off and on quickly double tap the TouchPad light NOTE The TouchPad light is off when the TouchPad is on Navigating To move the pointer slide one finger across the TouchPad in the direction you want the pointer to go Using pointing devices 23 ...

Страница 32: ...lace two fingers on the TouchPad at the same time NOTE TouchPad gestures are not supported in all programs To turn the gestures on and off 1 Select Start Control Panel Hardware and Sound 2 Under Devices and Printers click Mouse 3 Click the Multitouch Gestures tab and then select the gesture that you want to turn on or off 4 Click Apply and then click OK 24 Chapter 4 Keyboard and pointing devices ...

Страница 33: ...OTE Scrolling speed is controlled by finger speed NOTE Two finger scrolling is enabled at the factory Pinching Zooming Pinching allows you to zoom in or out on images or text Zoom in by placing two fingers together on the TouchPad and then moving them apart Zoom out by placing two fingers apart on the TouchPad and then moving them together NOTE Pinching zooming is enabled at the factory Using poin...

Страница 34: ...ve the right forefinger around the anchored finger in a sweeping motion moving from 12 o clock to 3 o clock To reverse the rotation move your right forefinger from 3 o clock to 12 o clock NOTE Rotating must be done within the TouchPad zone NOTE Rotating is disabled at the factory 26 Chapter 4 Keyboard and pointing devices ...

Страница 35: ...tery NOTE For additional information on using the battery refer to the HP Notebook Reference Guide To insert the battery 1 Turn the computer upside down on a flat surface with the battery bay toward you 2 Insert the battery 1 into the battery bay until it is seated The battery release latch automatically locks the battery into place 2 To remove the battery Inserting or removing the battery 27 ...

Страница 36: ...event loss of information save your work and initiate Hibernation or shut down the computer through Windows before removing the battery 1 Turn the computer upside down on a flat surface 2 Slide the battery release latch 1 to release the battery 3 Remove the battery from the computer 2 28 Chapter 5 Maintenance ...

Страница 37: ... turn the computer on by pressing the power button Then shut down the computer through the operating system Removing the hard drive 1 Save your work and shut down the computer 2 Disconnect all external devices connected to the computer 3 Unplug the power cord from the AC outlet 4 Turn the computer upside down on a flat surface and remove the battery 5 Loosen the 2 memory module compartment cover s...

Страница 38: ...e small black plastic tab firmly to disconnect the hard drive cable from the system board 1 10 Grasp the tab and lift the hard drive 2 out of the hard drive bay 11 Disconnect the hard drive cable from the hard drive 1 30 Chapter 5 Maintenance ...

Страница 39: ...e hard drive 3 Installing a hard drive 1 Insert the hard drive into the hard drive bracket covering 1 2 Replace the hard drive screws 2 and connect the hard drive cable to the hard drive 3 3 Insert the hard drive into the hard drive bay 1 Replacing or upgrading the hard drive 31 ...

Страница 40: ...ard 2 5 Align the tabs on the hard drive cover with the notches on the computer and close the cover 1 6 Tighten the hard drive cover screws 2 7 Align the tabs 1 on the memory module compartment cover with the notches on the computer 8 Close the cover 2 32 Chapter 5 Maintenance ...

Страница 41: ... ESD can damage electronic components Before beginning any procedure ensure that you are discharged of static electricity by touching a grounded metal object NOTE To use a dual channel configuration when adding a second memory module be sure that both memory modules are identical To add or replace a memory module CAUTION To prevent information loss or an unresponsive system Shut down the computer ...

Страница 42: ...he battery 5 Loosen the 2 memory module compartment cover screws 1 6 Remove the memory module compartment cover 2 7 If you are replacing a memory module remove the existing memory module a Pull away the retention clips 1 on each side of the memory module The memory module tilts up 34 Chapter 5 Maintenance ...

Страница 43: ...e it in an electrostatic safe container 8 Insert a new memory module CAUTION To prevent damage to the memory module hold the memory module by the edges only Do not touch the components on the memory module a Align the notched edge 1 of the memory module with the tab in the memory module slot b With the memory module at a 45 degree angle from the surface of the memory module compartment press the m...

Страница 44: ...mory module be sure that you do not bend the memory module 9 Align the tabs 1 on the memory module compartment cover with the notches on the computer 10 Close the cover 2 11 Tighten the 2 memory 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 36 Chapter 5 Maintenance ...

Страница 45: ...te your programs and drivers on a regular basis with the latest versions Go to http www hp com support to download the latest versions You can also register to receive automatic update notifications when they become available Updating programs and drivers 37 ...

Страница 46: ...er to jump around on the screen To avoid this clean the TouchPad with a damp cloth and wash your hands frequently when using the computer WARNING To reduce the risk of electric shock or damage to internal components do not use a vacuum cleaner attachment to clean the keyboard A vacuum cleaner can deposit household debris on the keyboard surface Clean the keyboard regularly to prevent keys from sti...

Страница 47: ...tem and HP to help you safeguard your information and restore it if ever needed This chapter provides information on the following topics Creating a set of recovery discs or a recovery flash drive HP Recovery Manager software feature Performing a system restore from the partition recovery discs or a recovery flash drive Backing up your information Recovering a program or driver 39 ...

Страница 48: ...sh drive after setting up the computer for the first time NOTE HP Recovery Manager allows the creation of only one set of recovery discs or one recovery flash drive Handle these discs or flash drive carefully and keep them in a safe place NOTE If your computer does not include an integrated optical drive you can use an optional external optical drive purchased separately to create recovery discs o...

Страница 49: ...covery Manager HP Recovery Manager restores only software that was preinstalled at the factory Software not provided with this computer must be downloaded from the manufacturer s Web site or reinstalled from the disc provided by the manufacturer Restoring using the dedicated recovery partition select models only When using the dedicated recovery partition there is an option to back up pictures mus...

Страница 50: ... then restart the computer or Insert the recovery flash drive into a USB port on your computer and then restart the computer NOTE If the computer does not automatically restart in the HP Recovery Manager the computer boot order needs to be changed 3 Press f9 at system bootup 4 Select the optical drive or the flash drive 5 Follow the on screen instructions 42 Chapter 6 Backup and recovery ...

Страница 51: ...if the computer has a virus attack or if any major system components fail In order to correct computer issues a recovery should first be attempted before a system restore is attempted You can back up your information to an optional external hard drive a network drive or discs Back up your system at the following times At regularly scheduled times TIP Set reminders to back up your information perio...

Страница 52: ...wer before you start the backup process Allow enough time to complete the backup process Depending on file sizes it may take over an hour To create a backup 1 Select Start Control Panel System and Security Backup and Restore 2 Follow the on screen instructions to schedule and create a backup NOTE Windows includes the User Account Control feature to improve the security of the computer You may be p...

Страница 53: ...ly whenever the computer is functioning optimally NOTE If you revert to a restore point and then change your mind you can reverse the restoration Create a system restore point 1 Select Start Control Panel System and Security System 2 In the left pane click System Protection 3 Click the System Protection tab 4 Follow the on screen instructions Restore to a previous date and time To revert to a rest...

Страница 54: ...7 Customer support Contacting customer support Labels 46 Chapter 7 Customer support ...

Страница 55: ...P NOTE For worldwide support click Contact HP worldwide on the left side of the page or go to http welcome hp com country us en wwcontact_us html Here you can Chat online with an HP technician NOTE When technical support chat is not available in a particular language it is available in English E mail HP Customer Support Find HP Customer Support worldwide telephone numbers Locate an HP service cent...

Страница 56: ... regulatory information about the computer The regulatory label is affixed inside the battery bay Wireless certification label or labels select models only Provide information about optional wireless devices and the approval markings of some of the countries or regions in which the devices have been approved for use If your computer model includes one or more wireless devices one or more certifica...

Страница 57: ...8 Specifications Input power Operating environment 49 ...

Страница 58: ...e it should be powered only with an AC adapter or a DC power source supplied and approved by HP for use with this computer The computer can operate on DC power within the following specifications Input power Rating Operating voltage and current 18 5 V dc 3 5 A 65W DC plug of external HP power supply NOTE This product is designed for IT power systems in Norway with phase to phase voltage not exceed...

Страница 59: ...35 C 41 F to 95 F Nonoperating 20 C to 60 C 4 F to 140 F Relative humidity noncondensing Operating 10 to 90 10 to 90 Nonoperating 5 to 95 5 to 95 Maximum altitude unpressurized Operating 15 m to 3 048 m 50 ft to 10 000 ft Nonoperating 15 m to 12 192 m 50 ft to 40 000 ft Operating environment 51 ...

Страница 60: ...ower 10 D Digital Media Slot identifying 9 drive light 11 E esc key identifying 8 external monitor port 11 F f11 41 fingerprint reader light identifying 6 fingerprint reader identifying 7 fn key identifying 8 H hard drive installing 31 removing 29 hard drive bay identifying 15 HDMI port identifying 12 headphone audio out jack 11 HP Recovery Manager 41 I input power 50 integrated webcam light ident...

Страница 61: ...labels 48 restore points 45 RJ 45 network jack identifying 12 RJ 45 network light identifying 12 rotating TouchPad gesture 26 S scrolling TouchPad gesture 25 security cable slot identifying 11 serial number computer 48 setup of WLAN 18 SIM slot identifying 15 SIM slot identifying 15 slots Digital Media 9 Memory module 15 security cable 11 SIM 15 speakers identifying 9 supported discs 40 system rec...

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