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Lenovo 1761E4U, User Manual

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Machine type and model label

The machine type and model label identifies your computer. When you contact Lenovo for help, the machine
type and model information helps support technicians to identify your computer and provide faster service.

The following is a sample of the machine type and model label.

Figure 4. Machine type and model label

Chapter 1

.

Product overview

11

Summary of Contents for 1761E4U

Page 1: ...ThinkCentre User Guide Machine Types 1654 1664 1665 1677 1738 1739 1741 1761 1762 1763 1782 1837 1938 1942 1962 and 1966 ...

Page 2: ...ation on page iii and Appendix A Notices on page 77 Third Edition December 2011 Copyright Lenovo 2011 LIMITED AND RESTRICTED RIGHTS NOTICE If data or software is delivered pursuant a General Services Administration GSA contract use reproduction or disclosure is subject to restrictions set forth in Contract No GS 35F 05925 ...

Page 3: ...tment 17 Selecting a pre defined color temperature 17 Switching to RGB adjustment 18 Making brightness adjustment 18 Chapter 3 You and your computer 21 Accessibility and comfort 21 Arranging your workspace 21 Comfort 21 Glare and lighting 22 Air circulation 22 Electrical outlets and cable lengths 22 Register your computer with Lenovo 23 Moving your computer to another country or region 23 Voltage ...

Page 4: ...ing and diagnostics 53 Basic troubleshooting 53 Troubleshooting procedure 54 Troubleshooting 54 Audio problems 55 CD problems 56 DVD problems 57 Intermittent problems 59 Keyboard mouse or pointing device problems 59 Monitor problems 61 Networking problems 62 Option problems 65 Performance and lockup problems 66 Printer problems 67 Serial port problems 67 Software problems 68 USB problems 69 Diagno...

Page 5: ...er installation are referred to as Customer Replaceable Units or CRUs Lenovo provides documentation with instructions when it is appropriate for customers to install options or replace CRUs You must closely follow all instructions when installing or replacing parts The Off state of a power indicator does not necessarily mean that voltage levels inside a product are zero Before you remove the cover...

Page 6: ...ng so can stress the cord in ways that can cause the cord to fray crack or crimp This can present a safety hazard Always route power cords so that they will not be walked on tripped over or pinched by objects Protect power cord and power adapters from liquids For instance do not leave your power cord or power adapter near sinks tubs toilets or on floors that are cleaned with liquid cleansers Liqui...

Page 7: ...se you might damage your computer To avoid possible damage to attached devices wait at least five seconds after the computer is shut down to disconnect external devices Heat and product ventilation Computers power adapters and many accessories can generate heat when turned on and when batteries are charging Always follow these basic precautions Do not leave your computer power adapter or accessori...

Page 8: ... sunshine Keep electrical appliances such as an electric fan radio high powered speakers air conditioner and microwave oven away from your computer because the strong magnetic fields generated by these appliances can damage the monitor and data on the hard disk drive Do not place any beverages on top of or beside the computer or other attached devices If liquid is spilled on or in the computer or ...

Page 9: ... not view directly with optical instruments and avoid direct exposure to the beam Power supply statement Never remove the cover on a power supply or any part that has the following label attached Hazardous voltage current and energy levels are present inside any component that has this label attached There are no serviceable parts inside these components If you suspect a problem with one of these ...

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Page 11: ...ormation Microprocessor Your computer comes with one of the following microprocessors internal cache size varies by model type Intel Core i3 microprocessor Intel Core i5 microprocessor Intel Core i7 microprocessor Intel Celeron microprocessor Intel Pentium microprocessor Memory Your computer supports up to two double data rate 3 small outline dual inline memory modules DDR3 SODIMMs Note The maximu...

Page 12: ...ter on the same local area network Wake on Ring Wake on Ring sometimes referred to as Wake on Modem is a specification that allows supported computers and devices to resume from sleep or hibernation mode Windows Management Instrumentation WMI Windows Management Instrumentation is a set of extensions to the Windows Driver Model It provides an operating system interface through which instrumented co...

Page 13: ...are programs to help you work more easily and securely For more information see Software overview on page 4 Preinstalled operating system Your computer is preinstalled with the Microsoft Windows 7 operating system Operating system s certified or tested for compatibility1 varies by model type Linux Microsoft Windows XP Professional SP 3 1 The operating system s listed here are being certified or te...

Page 14: ... to 90 non condensing Altitude Operating 50 to 10 000 ft 15 2 to 3 048 m Non operating 50 to 35 000 ft 15 2 to 10 668 m Electrical input Input voltage Low range Minimum 100 V ac Maximum 127 V ac Input frequency range 50 to 60 Hz High range Minimum 200 V ac Maximum 240 V ac Input frequency range 50 to 60 Hz Software overview The computer comes with a preinstalled operating system and several softwa...

Page 15: ...d fingerprint reader provided on some keyboards enables you to enroll your fingerprint and associate it with your power on password hard disk drive password and Windows password As a result fingerprint authentication can replace passwords and enable simple and secure user access A fingerprint reader keyboard is available with select computers or can be purchased for computers that support this opt...

Page 16: ...r program you can adjust your power settings to achieve the best balance between system performance and power saving ThinkVantage Rescue and Recovery The ThinkVantage Rescue and Recovery program is a one button recovery and restore solution that includes a set of self recovery tools to help you diagnose computer problems get help and recover from system crashes even if you cannot start the Windows...

Page 17: ...h PDF documents Antivirus software Your computer comes with antivirus software that you can use to detect and eliminate viruses Lenovo provides a full version of antivirus software on your hard disk drive with a free 30 day subscription After 30 days you must renew the license to continue receiving the antivirus program updates Locations This section provides information to help you locate the con...

Page 18: ...rols and indicators on the front of your computer Figure 1 Front connector control and indicator locations 1 Integrated Microphone 6 Hard disk drive activity indictor 2 Integrated camera indicator 7 Brightness up Auto adjusting control 1 3 Integrated camera block shield 8 Brightness down control 4 Liquid crystal display LCD panel 9 Foot stand 5 Power switch 8 ThinkCentre User Guide ...

Page 19: ...the rear of your computer are color coded to help you determine where to connect the cables on your computer Figure 2 Rear connector locations 1 Optical drive 7 Card reader 2 USB connector 4 8 USB connector 3 Power cord connector 9 Headphone connector 4 Ethernet connector 10 Microphone connector 5 Serial port 11 USB connector 6 DisplayPort connector Chapter 1 Product overview 9 ...

Page 20: ... if you use speech recognition software DisplayPort out connector Used to attach a high performance monitor a direct drive monitor or other devices that use a DisplayPort connector Serial port Used to attach an external modem a serial printer or other devices that use a 9 pin serial port Adjusting the computer stand Your computer comes with a computer stand that you can use to adjust the computer ...

Page 21: ...ter When you contact Lenovo for help the machine type and model information helps support technicians to identify your computer and provide faster service The following is a sample of the machine type and model label Figure 4 Machine type and model label Chapter 1 Product overview 11 ...

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Page 23: ...ght be prompted to change discs Where can I find help about the Windows operating system The Windows Help and Support information system provides you detailed information about using the Windows operating system to help you get the most of your computer To access the Windows Help and Support information system click Start Help and Support Using the keyboard Depending on your model your computer co...

Page 24: ...tive program icon or object You can switch the function of the primary and secondary mouse buttons and change other default behavior through the mouse properties function in the Windows Control Panel Adjusting audio Sound is an important part of the computer experience Your computer has a digital audio controller built into the system board Some models also have a high performance audio adapter in...

Page 25: ...m the Windows desktop click Start Control Panel Hardware and Sound 2 In the Sound topic click Adjust system volume 3 Move the sliders up or down to raise or lower the volume of your computer Using CDs and DVDs Your computer might have a DVD ROM drive or recordable DVD drive installed DVD drives use industry standard 12 cm 4 75 inch CD media or DVD media If your computer comes with a DVD drive the ...

Page 26: ...With the computer on press the Eject Load button When the tray slides out automatically carefully remove the disc 2 Close the tray by pressing the Eject Load button or by gently pushing the tray forward Note If the tray does not slide out of the drive when you press the Eject Load button insert a straightened paper clip into the emergency eject hole located on the front of the DVD drive Be sure th...

Page 27: ...indows 7 Professional Single touch or multi touch Windows 7 Ultimate Single touch or multi touch Color temperature adjustment The color temperature adjustment function enables you to adjust the color temperature and brightness of your computer monitor Press the brightness up button The following six options are displayed Auto adjustment Select this option and then the monitor color temperature and...

Page 28: ...g Exit 2 Press the brightness down button to move to Switch to RGB adjustment and then press the brightness up button to bring up the following four options Red adjustment Green adjustment Blue adjustment Exit 3 Press the brightness down button to move to the desired option and then press the brightness up button to select the option A color adjustment slider is displayed 4 Press the brightness do...

Page 29: ...3 Press the brightness down button to decrease the brightness level or press the brightness up button to increase the brightness level 4 Wait for five seconds to exit Chapter 2 Using your computer 19 ...

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Page 31: ...in your operating system others can be purchased through vendors or accessed through the World Wide Web http www lenovo com healthycomputing Arranging your workspace To get the most from your computer arrange both the equipment you use and your work area to suit your needs and the kind of work you do Your comfort is of foremost importance but light sources air circulation and the location of elect...

Page 32: ... clarity of the image on the screen try them only after you have exhausted other methods of reducing glare Dust buildup compounds problems associated with glare Remember to clean your monitor screen periodically using a soft cloth as directed in your monitor documentation Air circulation Your computer and monitor produce heat The computer has a fan that pulls in fresh air and forces out hot air Th...

Page 33: ...fer to official Web sites or other literature for travelers to the country or region where you are located If your computer has a voltage selection switch you must set the switch to match the voltage available at your electrical outlet Setting the voltage selection switch incorrectly will cause the computer to malfunction and might cause permanent damage to the computer Do not connect the computer...

Page 34: ...For power cord information and part numbers go to http www lenovo com powercordnotice 24 ThinkCentre User Guide ...

Page 35: ...on see Enabling or disabling a device on page 45 Integrated fingerprint reader available on some models Depending on the models of your computer the keyboard may have an integrated fingerprint reader By enrolling your fingerprint and associating it with a Power on Password a Hard Disk Password or both passwords beforehand you can start the computer log on to the system and enter the Setup Utility ...

Page 36: ...oft Windows operating system and through the BIOS of your computer to help deter unauthorized use of your computer BIOS passwords You can use the BIOS Setup Utility program to set passwords to prevent unauthorized access to your computer and data The following types of passwords are available Power On Password When a Power On Password is set you are prompted to type a valid password each time the ...

Page 37: ...Setup Utility program main menu select Security Fingerprint Setup and press Enter The Fingerprint Setup window opens 3 Select Preboot Authentication or Erasing Fingerprint Date as desired and press Enter 4 Select the desired settings and press Enter 5 Press F10 to save and exit the Setup Utility program Press Enter when prompted to confirm the exit Using and understanding firewalls A firewall can ...

Page 38: ...For more information about how to use your antivirus software refer to the help system of your antivirus software 28 ThinkCentre User Guide ...

Page 39: ...h the option to help you make the connection and install any software or device drivers that are required for the option Installing a computer wall mount Note When installing a computer wall mount make sure that you leave at least a 60 mm 2 36 inches space between the wall and your computer for easy access to the connectors on the computer rear panel Removing and reinstalling the monitor stand Att...

Page 40: ... and then install the four screws to secure the monitor stand to the computer Figure 7 Reinstalling the monitor stand Replacing the USB keyboard or mouse Attention Do not open your computer or attempt any repair before reading and understanding the Important safety information on page iii This section provides instructions on how to replace the USB keyboard or mouse To replace the USB keyboard or ...

Page 41: ...ve the new wireless keyboard from the package 3 Install the keyboard by opening the battery compartment cover and installing two AAA batteries according to the polarity indicators Figure 9 Installing the keyboard batteries 4 Remove the USB dongle from the keyboard compartment or from the wireless mouse compartment and connect it to an available USB connectors on the computer See Replacing the wire...

Page 42: ...reless keyboard 4 Then connect the USB dongle to an available USB connector on your computer 5 Correctly install the batteries for the mouse following the instructions in the table below 6 Switch on the power button on the bottom of the wireless mouse and then it is ready to use 32 ThinkCentre User Guide ...

Page 43: ...e to an USB connector Insert two AA batteries into the mouse compartment according to the polarity indicators Figure 13 Installing the mouse batteries Close the battery compartment cover and slide it forward until it clicks into place Figure 14 Closing the battery compartment cover Push the power switch to the on position and the LED light emitting diode is on Figure 15 Pushing the power switch on...

Page 44: ...xtends the battery life Disconnect the USB dongle from your computer and store it in the wireless mouse compartment or in the wireless keyboard compartment Obtaining device drivers You can obtain device drivers for operating systems that are not preinstalled at http www lenovo com support Installation instructions are provided in readme files with the device driver files 34 ThinkCentre User Guide ...

Page 45: ...ware or hardware related problem Some methods vary depending on the type of operating system that is installed 3 The product on the recovery media may be used only for the following purposes Restore the product preinstalled on your computer Reinstall the product Modify the product using the Additional Files Creating and using recovery media You can use recovery media to restore the hard disk drive...

Page 46: ...omputer hard disk drive to the factory default state you might have to reinstall device drivers for some devices See Reinstalling device drivers on page 40 Performing backup and recovery operations The Rescue and Recovery program enables you to back up all your hard disk drive contents including the operating system data files software programs and personal settings You can designate where the Res...

Page 47: ...r last backup operation You can also rescue individual files from a Rescue and Recovery backup located on your local hard disk drive a USB device or a network drive Restore your hard disk drive from a Rescue and Recovery backup If you have backed up your hard disk drive using the Rescue and Recovery program you can restore the hard disk drive from a Rescue and Recovery backup even if you cannot st...

Page 48: ...e a rescue medium To create a rescue medium on the Windows 7 operating system do the following 1 From the Windows desktop click Start All Programs Lenovo ThinkVantage Tools Enhanced Backup and Restore The Rescue and Recovery program opens 2 In the Rescue and Recovery main window click the Launch advanced Rescue and Recovery arrow 3 Click the Create Rescue Media icon The Create Rescue and Recovery ...

Page 49: ...ollow the instructions on the screen to complete the installation Reinstalling preinstalled device drivers This section provides instructions on how to reinstall preinstalled device drivers Attention When you reinstall device drivers you are changing the current configuration of your computer Reinstall device drivers only when it is necessary to correct a problem with your computer To reinstall th...

Page 50: ...all a device driver for an option you installed refer to the documentation that comes with the option When you reinstall device drivers you are changing the current configuration of your computer Reinstall device drivers only when it is necessary to correct a problem with your computer For more information about reinstalling device drivers that came with your computer see Reinstalling preinstalled...

Page 51: ...It is important to create a rescue medium and a set of recovery media as early as possible and store them in a safe place for future use Chapter 6 Recovery information 41 ...

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Page 53: ...nd you will be prompted to do one of the following Press F1 to enter the Setup Utility program Note After you enter the Setup Utility program select Save Changes and Exit at the bottom of the screen The error message will not be displayed again Press F2 to bypass the error message and log in to the operating system Viewing and changing settings The Setup Utility program menu lists various items ab...

Page 54: ...ach time you try to access the Setup Utility program The Setup Utility program cannot be accessed until a valid password is typed in If both the Power On Password and Administrator Password are set you can type either password However you must use your Administrator Password to change any configuration settings Hard Disk Password Setting a Hard Disk Password prevents unauthorized access to the dat...

Page 55: ...on page 46 Selecting a startup device If your computer does not start up from a device such as the disc or hard disk drive as expected do one of the following to select the startup device you want Selecting a temporary startup device Use this procedure to select a temporary startup device Note Not all discs and hard disk drives are bootable 1 Turn off your computer 2 Repeatedly press and release t...

Page 56: ...settings press F10 to save and exit the Setup Utility program If you do not want to save the settings select Exit Discard Changes and Exit and then press Enter When the Reset Without Saving window shows select Yes and then press Enter to exit the Setup Utility program If you want to return to the default settings press F9 to load the default settings and then press F10 to save and exit the Setup U...

Page 57: ...tes are available in a TXT file that is included with the update files For most models you can download either an update program to create a system program update disc or an update program that can be run from the operating system Updating flashing the BIOS from a disc This section provides instructions on how to update flash the BIOS from a disc Note You can download a self starting bootable disc...

Page 58: ...our machine type a In the Enter a product number field type your machine type and click Go b Click Downloads and drivers c Select BIOS from the Refine results drop down list box to easily locate all the BIOS related links d Click the BIOS update link 3 Click the TXT file that contains the instructions for updating flashing the BIOS from your operating system 4 Print these instructions This is very...

Page 59: ...gory of device for which you need the device driver 5 Click the appropriate device driver 6 Download and install the device driver Updating your operating system Microsoft makes updates available for the various Windows operating systems through the Microsoft Windows Update Web site The Web site automatically determines what Windows updates are available for your specific computer and lists those ...

Page 60: ...of interest to you If the System Update program came with your computer you can open it by completing the following procedure On the Windows 7 operating system do the following 1 Click Start Lenovo ThinkVantage Tools 2 Double click Update and Drivers If the System Update program is not currently installed on your computer you can download it from the Lenovo Support Web site at http www lenovo com ...

Page 61: ...r on the screen does not move smoothly with the optical mouse you might need to clean the mouse To clean an optical mouse do the following 1 Turn off your computer 2 Disconnect the mouse cable from the computer 3 Turn the mouse upside down to check the lens a If there is a smudge on the lens gently clean the area with a plain cotton tipped swab b If there is debris in the lens gently blow the debr...

Page 62: ...m and any minor issues you might have experienced A log book can help you or a Lenovo technician determine if a problem is related to change in hardware change in software or some other action that might have taken place Create Product Recovery discs See Creating and using recovery media on page 35 for more information about using Product Recovery discs to restore the hard disk drive to the factor...

Page 63: ...r make sure that it is switched on The power indicator on the front of the computer is on The computer voltage matches the voltage available at the electrical outlet for your country or region The monitor screen is blank Verify that The monitor signal cable is correctly connected to the monitor and to the appropriate monitor connector on the computer The monitor power cord is correctly connected t...

Page 64: ... a captured configuration do the following On the Windows 7 operating system click Start Control Panel System and Security System System Protection System Restore If this does not correct the problem continue with the next step 6 Run the diagnostic programs See Diagnostic programs on page 69 for more information If the diagnostic programs detect a hardware failure contact the Lenovo Customer Suppo...

Page 65: ...ndows Actions If you are using powered external speakers that have an On Off control verify that the On Off control is set to the On position and the speaker power cable is connected to a properly grounded functional ac electrical outlet If your external speakers have a volume control verify that the volume control is not set too low Double click the speaker icon in the Windows notification area A...

Page 66: ...t speaker to the right speaker is securely connected Double click the speaker icon in the Windows notification area A master volume control window opens Verify that the Balance settings are set correctly If these actions do not correct the problem you might have a failing speaker Have the speaker serviced If you need technical assistance see Chapter 11 Getting information help and service on page ...

Page 67: ...a problem with your CD or DVD drive or the cabling to your CD or DVD drive Make sure that the power cable and signal cable are securely connected to the drive Unable to use a startable bootable recovery medium such as the Product Recovery CD to start your computer Symptom Unable to use a startable bootable recovery medium such as the Product Recovery CD to start your computer Action Make sure that...

Page 68: ...aying DVD movie Symptom No audio or intermittent audio while playing DVD movie Actions Check the volume control settings on your computer and on your speakers Make sure that the disc surface is clean and not scratched Check all cable connections to and from the speakers Use the DVD menu for the video to select a different audio track If these actions do not correct the problem run the diagnostic p...

Page 69: ... for instructions If you need technical assistance see Chapter 11 Getting information help and service on page 73 Keyboard mouse or pointing device problems Select your symptom from the following list All or some keys on the keyboard do not work on page 59 The mouse or pointing device does not work on page 60 The pointer on the screen does not move smoothly with the mouse on page 60 The fingerprin...

Page 70: ...he screen does not move smoothly with the mouse Action Erratic movement of the mouse pointer is generally caused by a buildup of dirt oils and other contaminants on the ball inside the mouse Clean the mouse See Optical mouse on page 51 for instructions The fingerprint reader does not work Symptom The fingerprint reader does not work Action The following could cause the fingerprint reader not to op...

Page 71: ...ter inactivity Action The computer is probably set for energy savings with the power management feature If the power management feature is enabled disabling it or changing the settings might solve the problem If these actions do not correct the problem run the diagnostic programs see Diagnostic programs on page 69 for instructions If you need technical assistance see Chapter 11 Getting information...

Page 72: ...ing system documentation or help for further information on monitor settings If these actions do not correct the problem your monitor might need service See Chapter 11 Getting information help and service on page 73 for details The image is discolored Symptom The image is discolored Action The monitor might be affected by interference from nearby equipment Magnetic fields around other devices such...

Page 73: ...ssword or provide confirmation 4 If an exclamation mark is displayed next to an adapter name under Network adapters you might not use the correct driver or the driver is not enabled To update the driver right click the highlighted adapter 5 Click Update Driver Software and then follow the instructions on the screen The switch port and the adapter have the same duplex setting If you configured the ...

Page 74: ... Web site and verify the driver version supported by Access Connections is the latest documented in the readme file Make sure that your computer is within range of a wireless access point Make sure that the wireless radio is enabled by double clicking the Access Connections icon in the Windows notification area Note If your computer is preinstalled with the Windows 7 operating system click Show hi...

Page 75: ...le with the extension contact Option problems Use this information to diagnose problems with Lenovo hardware options that do not have their own troubleshooting information Select your symptom from the following list An option that was just installed does not work on page 65 An option that previously worked does not work now on page 65 An option that was just installed does not work Symptom An opti...

Page 76: ...g Insufficient free hard disk drive space on page 66 Excessive number of fragmented files on page 67 Make a selection from the above list to find out more about the corrective actions you can take Insufficient free hard disk drive space Symptom Insufficient free hard disk drive space The Windows operating system will slow down and might produce errors if the hard disk drive gets too full To check ...

Page 77: ...ter 3 Right click your C drive entry and then click Properties 4 Click the Tools tab 5 Click Defragment Now then click Continue 6 Click Defragment Now again to start a disk defragmentation process Printer problems Symptom The printer does not work Actions Verify that 1 The printer is turned on and is online 2 Paper is loaded correctly 3 The printer signal cable is securely connected to the correct...

Page 78: ...t sort in the correct order Action Some software developed before the year 2000 used only the last two digits of a year to sort dates always assuming the first two digits were 19 Consequently these programs sort dates out of order Check with your software manufacturer to see if any updates are available Many software manufacturers make updates available from the World Wide Web Software does not wo...

Page 79: ... paper is loaded correctly Make sure any device drivers or other software supplied with the USB device is correctly installed Refer to the documentation for the USB device Reset the device by detaching and reattaching the USB connector If these actions do not correct the problem run the diagnostic programs to test the USB connector see Diagnostic programs on page 69 for instructions If the USB dev...

Page 80: ...speak to a Lenovo technical support representative Lenovo ThinkVantage Toolbox The Lenovo ThinkVantage Toolbox program helps you maintain your computer improve computing security diagnose computer problems get familiar with the innovative technologies provided by Lenovo and get more information about your computer You can use the diagnostics feature of the Lenovo ThinkVantage Toolbox program to te...

Page 81: ...the startup device sequence See Selecting or changing the startup device sequence on page 45 2 Make sure the computer is turned on and then insert the disc into the optical drive The diagnostic program opens Note You can insert the disc into the optical drive when you are setting the startup device sequence However if you insert the disc into the optical drive when you have already entered the ope...

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Page 83: ...m guides you to various help and support information from Lenovo and Microsoft such as updating drivers accessing ThinkVantage Technologies and accessing user manuals To access the Windows Help and Support information system click Start Help and Support Safety and Warranty The ThinkCentre Safety and Warranty Guide that is provided with your computer contains information on safety setup warranty an...

Page 84: ...e the documentation that comes with the operating system or software program including readme files and online help Most computers come with a set of diagnostic programs that help you identify hardware problems For instructions on using the diagnostic programs see Diagnostic programs on page 69 You can also get the latest technical information and download device drivers and updates from Lenovo Su...

Page 85: ...ce which automatically entitles you to obtain warranty service throughout the warranty period Service will be performed by service providers authorized to perform warranty service Service methods and procedures vary by country and some services might not be available in all countries International Warranty Service is delivered through the method of service such as depot carry in or on site service...

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Page 87: ...e publication Lenovo may make improvements and or changes in the product s and or the program s described in this publication at any time without notice The products described in this document are not intended for use in implantation or other life support applications where malfunction may result in injury or death to persons The information contained in this document does not affect or change Len...

Page 88: ...scue and Recovery ThinkVantage Microsoft Windows are trademarks of the Microsoft group of companies Celeron Intel Intel Core and Pentium are trademarks of Intel Corporation in the United States other countries or both Other company product or service names may be trademarks or service marks of others 78 ThinkCentre User Guide ...

Page 89: ...ference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television recepti...

Page 90: ...en über die elektromagnetische Verträglichkeit in den EU Mitgliedsstaaten und hält die Grenzwerte der EN 55022 Klasse B ein Um dieses sicherzustellen sind die Geräte wie in den Handbüchern beschrieben zu installieren und zu betreiben Des Weiteren dürfen auch nur von der Lenovo empfohlene Kabel angeschlossen werden Lenovo übernimmt keine Verantwortung für die Einhaltung der Schutzanforderungen wenn...

Page 91: ...se compliance statement for Taiwan Additional regulatory information For additional regulatory information refer to the ThinkCentre Regulatory Notice shipped with your computer Depending on the configuration of your computer and the country or region where the computer was purchased you might have received additional printed regulatory notices All regulatory notices are available on the Lenovo Sup...

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Page 93: ...ronic equipment EEE with the WEEE marking per Annex IV of the WEEE Directive must not dispose of end of life EEE as unsorted municipal waste but use the collection framework available to them for the return recycle recovery of WEEE and minimize any potential effects of EEE on the environment and human health due to the presence of hazardous substances For additional WEEE information go to http www...

Page 94: ...ber 1 2003 For details visit the Lenovo Web site at http www lenovo com social_responsibility us en sustainability ptb_japan html Disposing of Lenovo computer components Some Lenovo computer products sold in Japan may have components that contain heavy metals or other environmental sensitive substances To properly dispose of disused components such as a printed circuit board or drive use the metho...

Page 95: ...r 10 documentation using 74 drivers device 34 E environment operating 4 Ethernet 1 Ethernet connector 10 exiting Setup Utility 46 expansion 2 external options installing 29 F features 1 flashing the BIOS 47 front connectors controls indicators 8 G getting help 73 information 73 service 73 H help and service 74 getting 73 Help and Support 73 I important safety information iii information getting 73...

Page 96: ... 45 Serial port 10 service and help 74 customer support center 74 getting 73 services other 75 purchasing additional 75 setting password 44 settings changing 43 viewing 43 Setup Utility 43 Setup Utility program starting 43 Setup Utility exiting 46 software recovering 35 solving recovery problems 40 starting the Setup Utility program 43 startup device 45 sequence changing 45 temporary selecting 45 ...

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