Lenovo A70 + ThinkVision L2440p Guida Utente

Machine Types: 0889, 5023, and 7844ThinkCentreUser Guide

Audio subsystemv Integrated high-definition (HD) audiov Headphone connector and microphone connector on the front panelv Audio line-in connector, audi

Security featuresv A power-on password and an administrator password to deter unauthorized useof your computerv Computracev Enabling or disabling SATA

SpecificationsThis section lists the physical specifications for your computer.DimensionsWidth: 97 mm (3.8 inches)Height: 333 mm (13.1 inches)Depth: 3

Lenovo ThinkVantage Tools: The Lenovo ThinkVantage®Tools program guidesyou to a host of information sources and provides easy access to various tools

Fingerprint Software: The integrated fingerprint reader provided on somekeyboards works with the Fingerprint Software program to enable you to enrolly

LocationsThis section provides information to help you locate your computer connectors,components, parts on the system board, and internal drives.Loca

Locating connectors and parts on the rear of your computerFigure 2 shows the locations of the connectors and parts on the rear of yourcomputer. Some c

Connector DescriptionAudio line-in connector Used to receive audio signals from an external audio device,such as a stereo system. When you attach an e

Locating componentsFigure 3 shows the locations of the various components in your computer. Toremove the computer cover and gain access to the inside

Locating parts on the system boardFigure 4 shows the locations of the parts on the system board.1 Microprocessor 9 USB connector2 Microprocessor

Locating internal drivesInternal drives are devices that your computer uses to read and store data. You canadd drives to your computer to increase sto

Chapter 2. Installing or replacing hardwareThis chapter provides instructions on how to install or replace hardware for yourcomputer.This chapter cont

Installing external optionsYou can install external options to your computer, such as external speakers, aprinter, or a scanner. For some external opt

5. Lay the computer on its side. Then, remove the two screws that secure thecomputer cover and slide the computer cover to the rear to remove it.Remov

3. Remove the front bezel by releasing the three plastic tabs on the top andpivoting the front bezel forward. Carefully lay the front bezel to the sid

Accessing the system board components and drivesAttentionDo not open your computer or attempt any repair before reading and understanding the“Importan

5. To lower the drive bay assembly, press the bend hook 1 inward and pivot thedrive bay assembly downward.Installing or replacing a PCI cardAttentio

b. If the PCI card is secured in place by a retaining latch 1, press theretaining latch to release the PCI card from the latch. Then, grasp the PCIc

5. Install the new PCI card into the appropriate PCI card slot on the systemboard. Then, install the screw to secure the new PCI card in place.6. If n

1. Remove all media from the drives and turn off all attached devices and thecomputer. Then, disconnect all power cords from electrical outlets anddis

ThinkCentreUser Guide

8. Position the new memory module over the memory slot. Make sure that thenotch 1 on the new memory module is aligned with the key 2 in thememory

To replace the battery, do the following:1. Remove all media from the drives and turn off all attached devices and thecomputer. Then, disconnect all p

Replacing the heat sink and fan assemblyAttentionDo not open your computer or attempt any repair before reading and understanding the“Important safety

6. Remove the four screws that secure the heat sink and fan assembly in thefollowing sequence:Note: Carefully remove the four screws from the system b

b. Tighten screw 2 a small amount, then fully install screw 4, and thenfully install screw 2, as shown in Figure 19 on page 25.10. Connect the n

CAUTION:The heat sink and microprocessor might be very hot. Turn off the computer andwait three to five minutes to let the computer cool before removi

b. Note the orientation of the microprocessor in the socket. You can eitherlook for the small triangle 1 on one corner of the microprocessor or note

8. Remove the new microprocessor 1 from the protective cover 2 thatprotects the gold contacts on the bottom of the new microprocessor.9. Hold the

DANGERHazardous moving parts. Keep fingers and other body parts away.CAUTION:Never remove the cover on a power supply or any part that has the followi

4. Pivot the drive bay assembly upward, remove the four screws that secure theheat sink fan duct, and then lift the heat sink fan duct up to remove it

NoteBefore using this information and the product it supports, be sure to read and understand the ThinkCentre Safety andWarranty Guide and “Notices,”

6. At the rear of the computer, remove the three screws that secure the powersupply assembly. Press the release button 1, slide the power supplyasse

8. Install the new power supply assembly into the chassis so that the screw holesin the new power supply assembly are aligned with the corresponding h

11. Position the heat sink fan duct on the top of the heat sink and fan assembly sothat the four screw holes in the heat sink fan duct are aligned wit

1. Remove all media from the drives and turn off all attached devices and thecomputer. Then, disconnect all power cords from electrical outlets anddis

8. Slide the optical drive out of the front of the computer.9. Slide the new optical drive into the optical drive bay from the front of thecomputer.Fi

10. Hold the new optical drive and pivot the drive bay assembly upward. Alignthe screw holes in the new optical drive with the corresponding holes in

Replacing the hard disk driveAttentionDo not open your computer or attempt any repair before reading and understanding the“Important safety informatio

5. Hold the hard disk drive from one side of the drive bay assembly and removethe four screws that secure the hard disk drive from the other side. The

7. Position the new hard disk drive into the hard disk drive bay and align thescrew holes in the new hard disk drive with the corresponding holes in t

2. Remove the computer cover. See “Removing the computer cover” on page 14.3. Remove the front bezel. See “Removing and reinstalling the front bezel”

ContentsImportant safety information ...vChapter 1. Product overview ...1Features ...1Specifications ...4Software overvi

Replacing the front audio and USB assemblyAttentionDo not open your computer or attempt any repair before reading and understanding the“Important safe

9. Position the new front audio and USB assembly to the chassis so that thescrew hole in the new front audio and USB assembly is aligned with thecorre

8. The front fan assembly is attached to the chassis by four rubber mounts 1.Remove the front fan assembly by cutting the rubber mounts and lifting

9. Install the new front fan assembly by aligning the new rubber mounts thatcame with the new front fan assembly with the corresponding holes in thech

Replacing the USB keyboard or mouseAttentionDo not open your computer or attempt any repair before reading and understanding the“Important safety info

2. Make sure that all the internal cables are routed properly to avoid interferencewith lowering the drive bay assembly and closing the computer cover

5. Position the computer cover on the chassis so that the rail guides on the bottomof the computer cover engage the rails. Then, slide the computer co

Integrated cable lockAn integrated cable lock, sometimes referred to as the Kensington lock, can beused to secure your computer to a desk, table, or o

PadlockYour computer is equipped with a padlock loop so that the computer cover cannotbe removed when a padlock is installed.Password protectionTo det

5. Move the jumper from the standard position (pin 1 and pin 2) to themaintenance position (pin 2 and pin 3).6. Reinstall any parts and reconnect any

Appendix. Notices ...79Television output notice ...80European conformance CE mark ...80Trademarks ...80Index ...

52 User Guide

Chapter 3. Recovery informationThis chapter provides information about the recovery solutions provided byLenovo.This chapter contains the following to

v To create Product Recovery discs on the Windows XP operating system, clickStart → All Programs → ThinkVantage → Create Recovery Media. Then, followt

Performing backup and recovery operationsThe Rescue and Recovery program enables you to back up all your hard disk drivecontents including the operati

v To perform a recovery operation using the Rescue and Recovery program on theWindows XP operating system, do the following:1. From the Windows deskto

Note: If the Rescue and Recovery workspace fails to open, see “Solvingrecovery problems” on page 59.4. Do one of the following:v To rescue files from

v To create a rescue medium on the Windows XP operating system, do thefollowing:1. From the Windows desktop, click Start → All Programs → ThinkVantage

3. Go to the C:\SWTOOLS directory.4. Open the DRIVERS folder. Within the DRIVERS folder, there are severalsubfolders named for various devices install

60 User Guide

Chapter 4. Using the Setup Utility programYou can use the Setup Utility program to view and change the configurationsettings of your computer, regardl

Important safety informationCAUTION:Before using this manual, be sure to read and understand all the related safetyinformation for this product. Refer

Password considerationsA password can be any combination of up to 16 (1 to 16) alphabetic and numericcharacters. For security reasons, it is recommend

Enabling or disabling a deviceThis section provides instructions on how to enable or disable user access to adevice.SATA Controller When this option i

2. Repeatedly press and release the F12 key when turning on the computer. Whenthe Startup Device Menu opens, release the F12 key.3. Select the desired

Chapter 5. Updating system programsThis chapter provides information about updating the POST and BIOS, and how torecover from a POST and BIOS update f

4. When prompted to change the serial number, it is suggested that you do notmake this change by pressing N. However, if you do want to change the ser

8. Turn on the computer and insert the POST and BIOS update (flash update)disc into the optical drive. The recovery session begins. The recovery sessi

68 User Guide

Chapter 6. Troubleshooting and diagnostic programsThis chapter provides information about some basic troubleshooting and diagnosticprograms. If your c

Symptom ActionThe operating system does notstart.Verify that you list the device where the operating system resides in the startupdevice sequence. Usu

2. Repeatedly press and release the F11 key when turning on the computer. Whenyou hear beeps or see a logo screen, release the F11 key. The Rescue and

vi User Guide

Cleaning an optical mouseThis section provides instructions on how to clean an optical mouse.An optical mouse uses a light-emitting diode (LED) and an

Chapter 7. Getting information, help, and serviceThis chapter provides information about help, service, and technical assistance forLenovo products.Th

v Rescue and Recoveryv System UpdateTo access the Lenovo ThinkVantage Tools program, click Start → All Programs →Lenovo ThinkVantage Tools.ThinkVantag

support telephone numbers and a PDF version of the ThinkCentre Safety andWarranty Guide from the Lenovo Support Web site at:http://www.lenovo.com/supp

Calling for serviceDuring the warranty period, you can get help and information from the LenovoCustomer Support Center by telephone.The following serv

service all models of a particular machine type. In some countries, fees andrestrictions might apply at the time of service.To determine whether your

78 User Guide

Appendix. NoticesLenovo may not offer the products, services, or features discussed in thisdocument in all countries. Consult your local Lenovo repres

vary significantly. Some measurements may have been made on development-levelsystems and there is no guarantee that these measurements will be the sam

IndexAa rescue medium, creating and using 57Access Help 74accessingsystem board components and drives 17administrator password 62antivirus software 6a

Chapter 1. Product overviewThis chapter provides information about the computer features, specifications,preinstalled software programs, and locations

Kkeyboard, replacing 46LLenovo Customer Support Center 76Lenovo ThinkVantage Toolbox 70Lenovo ThinkVantage Tools 73Lenovo Web site 75Lenovo Welcome 5l

startup device 63sequence, changing 64temporary, selecting 63static-sensitive devices, handling 13systemmanagement 2programs 65system boardconnectors

84 User Guide

Part Number: 89Y9113Printed in USA(1P) P/N: 89Y9113