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Contents

About this documentation . . . . . . . . iii

Chapter 1. Meet your computer . . . . . 1

Front .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  1
Rear .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  3
Features and specifications .  .  .  .  .  .  .  .  .  .  .  6

Statement on USB transfer rate . . . . . . . . 7

Chapter 2. Get started with your
computer . . . . . . . . . . . . . . . . . 9

Get started with Windows 10

. . . . . . . . . . 9

Windows account . . . . . . . . . . . . . 9
Windows user interface . . . . . . . . . . 10

Connect to networks . . . . . . . . . . . . . 11

Connect to the wired Ethernet . . . . . . . 11
Connect to Wi-Fi networks (for selected
models) . . . . . . . . . . . . . . . . 11

Use the Vantage app . . . . . . . . . . . . . 11
Use multimedia . . . . . . . . . . . . . . . 12

Use audio . . . . . . . . . . . . . . . 12
Connect an external display . . . . . . . . 12

Chapter 3. Explore your computer . . 13

Manage power . . . . . . . . . . . . . . . 13

Set power button behaviors . . . . . . . . 13
Set the power plan . . . . . . . . . . . . 13

Transfer data . . . . . . . . . . . . . . . . 13

Connect to a Bluetooth-enabled device (for
selected models)

. . . . . . . . . . . . 13

Use the optical drive (for selected models)

. . 14

Use a media card (for selected models) . . . . 14

Use a smart cable clip (for selected models). . . . 14
Purchase accessories . . . . . . . . . . . . 15

Chapter 4. Secure your computer
and information . . . . . . . . . . . . 17

Lock the computer

. . . . . . . . . . . . . 17

Use passwords . . . . . . . . . . . . . 18

Use software security solutions. . . . . . . . . 19

Use Windows firewalls . . . . . . . . . . 19
Use Computrace Agent software embedded
in firmware (for selected models) . . . . . . 20

Use BIOS security solutions . . . . . . . . . . 20

Erase all storage drive data .  .  .  .  .  .  .  .  20
Use the cover presence switch .  .  .  .  .  .  .  20
Use Smart USB Protection.  .  .  .  .  .  .  .  .  21

Chapter 5. UEFI BIOS . . . . . . . . . 23

Chapter 6. Troubleshooting,
diagnostics, and recovery . . . . . . . 29

Basic procedure for resolving computer
problems . . . . . . . . . . . . . . . . . 29
Troubleshooting

. . . . . . . . . . . . . . 29

Startup problems .  .  .  .  .  .  .  .  .  .  .  .  29
Audio problems .  .  .  .  .  .  .  .  .  .  .  .  .  30
Network problems .  .  .  .  .  .  .  .  .  .  .  .  30
Performance problems .  .  .  .  .  .  .  .  .  .  33
Storage drive problems .  .  .  .  .  .  .  .  .  .  34
CD or DVD problems .  .  .  .  .  .  .  .  .  .  .  34
Serial connector problems .  .  .  .  .  .  .  .  .  35
USB device problems

. . . . . . . . . . 35

Software problems . . . . . . . . . . . . 36

Diagnostics . . . . . . . . . . . . . . . . 36

Lenovo diagnostic tools . . . . . . . . . . 36

Recovery . . . . . . . . . . . . . . . . . 36

Restore system files and settings to an earlier
point .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  36
Restore your files from a backup .  .  .  .  .  .  36
Reset your computer .  .  .  .  .  .  .  .  .  .  .  36
Use advanced options .  .  .  .  .  .  .  .  .  .  37
Windows automatic recovery.  .  .  .  .  .  .  .  37
Create and use a recovery USB device .  .  .  .  37
Update the device driver

. . . . . . . . . 38

Chapter 7. CRU replacement . . . . . 39

Содержание ThinkCentre M75t Gen 2

Страница 1: ...M75t Gen 2 User Guide ...

Страница 2: ...tant safety information on page 59 Safety and Warranty Guide Setup Guide Second Edition June 2021 Copyright Lenovo 2021 LIMITED AND RESTRICTED RIGHTS NOTICE If data or software is delivered pursuant to a General Services Administration GSA contract use reproduction or disclosure is subject to restrictions set forth in Contract No GS 35F 05925 ...

Страница 3: ...tch 20 Use Smart USB Protection 21 Chapter 5 UEFI BIOS 23 What is UEFI BIOS 23 Enter the BIOS menu 23 Navigate in the BIOS interface 23 Change the display language of UEFI BIOS 23 Change the display mode of UEFI BIOS 24 Set the system date and time 24 Change the startup sequence 24 Enable or disable the configuration change detection feature 25 Enable or disable the automatic power on feature 25 E...

Страница 4: ... Power supply assembly 52 Chapter 8 Help and support 55 Self help resources 55 Call Lenovo 56 Before you contact Lenovo 56 Lenovo Customer Support Center 56 Purchase additional services 57 Appendix A Important safety information 59 Appendix B Accessibility and ergonomic information 73 Appendix C Supplemental information about the Ubuntu operating system 75 Appendix D Compliance and TCO Certified i...

Страница 5: ...might not be applicable to your computer Documentation content is subject to change without notice Lenovo makes constant improvements on the documentation of your computer including this User Guide To get the latest documentation go to https pcsupport lenovo com Microsoft makes periodic feature changes to the Windows operating system through Windows Update As a result some information in this docu...

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Страница 7: ... for recordable media CPRM feature for the SD card See Use a media card for selected models on page 14 4 Power button Press to turn on the computer To turn off the computer open the Start menu click Power and then select Shut down The indicator in the power button shows the system status of your computer On The computer is on Off The computer is off or in hibernation mode Blinking The computer is ...

Страница 8: ...our computer functionality To purchase USB C accessories go to https www lenovo com accessories 10 USB 3 2 connectors Gen 1 Connect USB compatible devices such as a USB keyboard USB mouse USB storage device or USB printer 11 USB 3 2 connectors Gen 2 Enable you to experience higher data transfer rate when you connect USB compatible devices such as a USB keyboard USB mouse USB storage device or USB ...

Страница 9: ... another audio and video device such as a high performance monitor 3 HDMI out connector Send audio and video signals from the computer to another audio and video device such as a high performance monitor 4 USB 2 0 connectors Connect USB compatible devices such as a USB keyboard USB mouse USB storage device or USB printer 5 USB 2 0 connector Connect USB compatible devices such as a USB keyboard USB...

Страница 10: ...xternal modem a serial printer or other devices that use a serial connector 12 PCI Express card area Install PCI Express cards into this area to improve the operating performance of the computer Depending on the computer model the connectors in this area vary 13 Padlock loop Lock the computer cover through a padlock 14 Security lock slot Lock your computer to a desk table or other fixtures through...

Страница 11: ...Chapter 1 Meet your computer 5 ...

Страница 12: ...ter right click the Start button and then click System Memory Up to four double data rate 4 DDR4 unbuffered dual inline memory modules UDIMMs Maximum memory capacity 128 GB Storage device 2 5 inch hard disk drive 3 5 inch hard disk drive M 2 solid state drive To view the storage drive capacity of your computer right click the Start button to open the Start context menu and then click Disk Manageme...

Страница 13: ...ssing capability of the host and peripheral devices file attributes and other factors related to system configuration and operating environments the actual transfer rate using the various USB connectors on this device will vary and will be slower than the data rate listed below for each corresponding device USB device Data rate Gbit s 3 2 Gen 1 3 1 Gen 1 5 3 2 Gen 2 3 1 Gen 2 10 3 2 Gen 2 2 20 Thu...

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Страница 15: ...s of the Administrator type With an Administrator account you can create additional user accounts or change account types by doing the following 1 Open the Start menu and select Settings Accounts Family other users 2 Follow the on screen instructions Microsoft account You can also log in to the Windows operating system with a Microsoft account To create a Microsoft account go to the Microsoft sign...

Страница 16: ...r and the Web 8 Task View Display all opened apps and switch among them 9 Windows notification area Display notifications and status of some features 10 Battery status icon Display power status and change battery or power settings When your computer is not connected to ac power the icon changes to 11 Network icon Connect to an available wireless network and display the network status When connecte...

Страница 17: ...Select a network available for connection Provide required information if needed Use the Vantage app The preinstalled Vantage app is a customized one stop solution to help you maintain your computer with automated updates and fixes configure hardware settings and get personalized support To access the Vantage app type Vantage in the search box Key features The Vantage app enables you to Know the d...

Страница 18: ... mute the audio Change the sound settings 1 Go to Control Panel and view by category 2 Click Hardware and Sound Sound 3 Change the settings as you prefer Connect an external display Connect a projector or a monitor to your computer to give presentations or expand your workspace Connect a wireless display Ensure that both your computer and the wireless display support Miracast Press and then select...

Страница 19: ...o awaken the computer from Sleep mode press any key on your keyboard To reset the power plan to achieve the best balance between performance and power saving 1 Go to Control Panel and view by large icons or small icons 2 Click Power Options and then choose or customize a power plan of your preference Transfer data Quickly share your files using the built in Bluetooth technology among devices with ...

Страница 20: ...ert a recordable disc into the optical drive that supports recording 2 Do one of the following Open the Start menu and then click Settings Devices AutoPlay Select or turn on Use AutoPlay for all media and devices Open Windows Media Player Double click the ISO file 3 Follow the on screen instructions Use a media card for selected models If your computer has a SD card slot read the following informa...

Страница 21: ...tall the clip as shown Purchase accessories Lenovo has a number of hardware accessories and upgrades to help expand the capabilities of your computer Options include memory modules storage devices network cards power adapters keyboards mice and more To shop at Lenovo go to https www lenovo com accessories Chapter 3 Explore your computer 15 ...

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Страница 23: ...ents or warranties about the function quality or performance of the locking device and security feature You can purchase computer locks from Lenovo Padlock Locking the computer cover through a padlock prevents unauthorized access to the inside of your computer Kensington style cable lock Lock your computer to a desk table or other fixtures through a Kensington style cable lock Copyright Lenovo 202...

Страница 24: ...are Interface BIOS Basic Input Output System to prevent unauthorized access to your computer However you are not prompted to enter any UEFI BIOS password when your computer resumes from sleep mode Power on password When a power on password is set you are prompted to enter a valid password each time the computer is turned on The computer cannot be used until the valid password is entered Supervisor...

Страница 25: ... Supervisor Password Set Power On Password Set System Management Password or Hard Disk Password and press Enter 4 Follow the on screen instructions to set change or remove a password 5 Press F10 or Fn F10 to save the changes and exit You should record your passwords and store them in a safe place If you forget the passwords contact a Lenovo authorized service provider to have the passwords removed...

Страница 26: ...d the keyboard are disabled 6 After the erasing process is completed a message is displayed prompting you to reset the system Select Continue Note Depending on the storage drive capacity the erasing process will take half an hour to three hours 7 After the resetting process is completed one of the following will happen If the data on the system storage drive is erased you will be prompted that no ...

Страница 27: ...itation Read Only You cannot copy data from the computer to the USB storage devices However you can access or modify data on the USB storage devices No Access You cannot access the USB storage devices from the computer To configure the Smart USB Protection function 1 Restart the computer When the logo screen is displayed press F1 or Fn F1 2 Select Security Smart USB Protection and press Enter 3 Se...

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Страница 29: ... system configurations that are protected by passwords Navigate in the BIOS interface Attention The default configurations are already optimized for you in boldface Improper change of the configurations might cause unexpected results Depending on your keyboard you can navigate in the BIOS interface by pressing the following keys or combinations of Fn and the following keys F1 or Fn F1 Display the ...

Страница 30: ...t the computer is on or turn on the computer Then insert the disc into the optical drive If the storage device is an external device other than a disc connect the storage device to the computer 2 Restart the computer When the logo screen is displayed press F1 or Fn F1 3 Select Startup and then follow the on screen instructions to change the startup sequence 4 Press F10 or Fn F10 to save the change...

Страница 31: ...en the logo screen is displayed press F1 or Fn F1 2 Select Power Automatic Power On and press Enter 3 Select the feature as desired and press Enter 4 Enable or disable the feature as desired 5 Press F10 or Fn F10 to save the changes and exit Enable or disable the smart power on feature Ensure that the keyboard is connected to a USB connector supporting the smart power on feature With the smart pow...

Страница 32: ... acoustic and thermal performance of your computer by changing the ITS performance mode Three choices are available Best Performance default setting The computer works at the best system performance with normal acoustic level Best Experience The computer works at the best experience with balanced noise and better performance Full Speed All fans in the computer will run at full speed To change the ...

Страница 33: ... from a BIOS update failure 1 Remove all media from the drives and turn off all connected devices 2 Insert the BIOS update disc into the optical drive and then turn off the computer 3 Disconnect all power cords from electrical outlets Then remove any parts that impede access to the Clear CMOS Recovery jumper 4 Move the jumper from the standard position to the maintenance position 5 Reconnect the p...

Страница 34: ...ximately four seconds 7 Disconnect all power cords from electrical outlets 8 Move the jumper back to the standard position 9 Reinstall all the parts that have been removed Then reconnect the power cords for the computer and the monitor to electrical outlets 10 Turn on the computer and the monitor When the logo screen is displayed press F1 or Fn F1 11 To prevent data loss ensure that BIOS settings ...

Страница 35: ...ntact Lenovo See Chapter 8 Help and support on page 55 Troubleshooting Use the troubleshooting information to find solutions to problems that have definite symptoms Startup problems Problem Solution The computer does not start up when you press the power button Ensure that the power cord is correctly connected to the rear of the computer and to a working electrical outlet If the computer has a sec...

Страница 36: ... expansion slots the audio function built into the system board is disabled Therefore you must use the audio connectors on the audio adapter Ensure that the program you are running is designed for use in the Microsoft Windows operating system If the program is designed to run in DOS the program does not use the Windows sound feature The program must be configured to use SoundBlaster Pro or SoundBl...

Страница 37: ... might degrade performance cause data loss or result in lost connections When a Gigabit Ethernet model computer is used at a speed of 1000 Mbps the Ethernet LAN connection fails or errors occur Connect the network cable to the Ethernet connector using Category 5 wiring and a 100 BASE T hub switch not 100 BASE X The Wake On LAN WOL feature does not work Enable the Wake On LAN feature in UEFI BIOS T...

Страница 38: ...oth device and then click Enable device 4 Expand Network adapters to display all network devices Right click each Bluetooth device and then click Enable device Turn on the Bluetooth radio 1 Open the Start menu 2 Click Settings Devices Bluetooth other devices 3 Turn on the Bluetooth switch to enable the Bluetooth feature Update or reinstall the Bluetooth driver Sound does not come from the Bluetoot...

Страница 39: ... menu 2 Click Windows System File Explorer This PC 3 Right click your C drive and then click Properties 4 Check the amount of free space and then click Disk Cleanup 5 A list of unnecessary file categories is displayed Select the category you want to delete and then click OK Disable some Windows features or remove some unnecessary programs 1 Go to Control Panel and view by large icons or small icon...

Страница 40: ...atched or damaged Try inserting another disc that you know works If you have multiple CD or DVD drives installed or a combination of CD and DVD drives try inserting the disc into the other drive In some cases only one of the drives is connected to the audio subsystem A bootable recovery medium such as the Product Recovery CD cannot be used to start your computer Ensure that the CD or DVD drive is ...

Страница 41: ...ower cord to a grounded electrical outlet Turn on the serial device and keep the device online Install any programs supplied with the serial device Refer to the documentation that comes with the serial device for more information If you added one serial connector adapter ensure that the adapter is installed correctly USB device problems Problem Solution A USB device cannot be accessed Connect the ...

Страница 42: ...ut Lenovo diagnostic tools go to https pcsupport lenovo com lenovodiagnosticsolutions Recovery This section introduces the recovery information of the Windows 10 operating system Ensure that you read and follow the on screen recovery instructions The data on your computer might be deleted during the recovery process To avoid data loss make a backup copy of all the data that you want to keep Restor...

Страница 43: ...ed If you did not create a recovery USB drive as a precautionary measure you can contact Lenovo Customer Support Center and purchase one from Lenovo For a list of the Lenovo Support phone numbers for your country or region go to https pcsupport lenovo com supportphonelist Create a recovery USB drive Attention The creation process deletes anything stored on the USB drive To avoid data loss make a b...

Страница 44: ...ing methods From the Vantage app Open the Vantage app to check the available update packages If the latest UEFI BIOS update package is available follow the on screen instructions to download and install the package From the Lenovo Support Web site Go to https pcsupport lenovo com and select the entry for your computer Then follow the on screen instructions to download and install necessary drivers...

Страница 45: ...ailable from Lenovo at any time upon request You might be required to return the defective part that is replaced by the CRU When return is required 1 return instructions a prepaid shipping label and a container will be included with the replacement CRU and 2 you might be charged for the replacement CRU if Lenovo does not receive the defective CRU within thirty 30 days of your receipt of the replac...

Страница 46: ...cess do the following 1 Remove any media from the drives and turn off all connected devices and the computer 2 Disconnect all power cords from electrical outlets and disconnect all cables from the computer 3 Unlock any locking device that secures the computer cover 4 Lay down the computer to place the computer cover facing up Removal steps Front bezel Prerequisite Before you start read Appendix A ...

Страница 47: ...ment procedure Optical drive Prerequisite Before you start read Appendix A Important safety information on page 59 and print the following instructions For access do the following Chapter 7 CRU replacement 41 ...

Страница 48: ...1 Remove the following parts in order Computer cover on page 40 Front bezel on page 40 2 Disconnect the signal and power cable from the optical drive Replacement procedure 42 M75t Gen 2 User Guide ...

Страница 49: ...start read Appendix A Important safety information on page 59 and print the following instructions For access remove the following parts in order Computer cover on page 40 Front bezel on page 40 Replacement procedure Chapter 7 CRU replacement 43 ...

Страница 50: ...make a backup copy of all the data that you want to keep Do not touch the contact edge of the internal storage drive Otherwise the internal storage drive might get damaged Do not apply pressure to the internal storage drive Do not make the internal storage drive subject to physical shocks or vibration Put the internal storage drive on a soft material such as cloth to absorb physical shocks 3 5 inc...

Страница 51: ...ter cover on page 40 2 Disconnect the signal cable and the power cable from the 2 5 inch secondary hard disk drive Removal steps M 2 solid state drive and heat sink Prerequisite Before you start read Appendix A Important safety information on page 59 and print the following instructions Chapter 7 CRU replacement 45 ...

Страница 52: ...touch the contact edge of the internal storage drive Otherwise the internal storage drive might get damaged Do not apply pressure to the internal storage drive Do not make the internal storage drive subject to physical shocks or vibration Put the internal storage drive on a soft material such as cloth to absorb physical shocks For access remove the following parts in order Computer cover on page 4...

Страница 53: ...solid state drive and the heat sink remove the film if any that covers the thermal pad Type 2 Note When installing the M 2 solid state drive and the heat sink remove the film if any that covers the thermal pad Chapter 7 CRU replacement 47 ...

Страница 54: ...ny Computer cover on page 40 Front bezel on page 40 Drive bay assembly on page 43 M 2 solid state drive and heat sink on page 45 Removal steps Memory module Prerequisite Before you start read Appendix A Important safety information on page 59 and print the following instructions Ensure that you follow the installation order for memory modules shown in the following illustration 48 M75t Gen 2 User ...

Страница 55: ...For access remove the following parts in order Computer cover on page 40 Front bezel on page 40 Drive bay assembly on page 43 Replacement procedure Chapter 7 CRU replacement 49 ...

Страница 56: ...llowing instructions For access remove the following parts in order Computer cover on page 40 Front bezel on page 40 Drive bay assembly on page 43 Replacement procedure Note During the installation ensure that you align the PCI Express card to the slot and press down until the latch is fully engaged with a click Coin cell battery Prerequisite Before you start read Appendix A Important safety infor...

Страница 57: ...ose of the coin cell battery refer to the Lithium coin cell battery notice in the Safety and Warranty Guide For access remove the following parts in order Computer cover on page 40 Front bezel on page 40 Drive bay assembly on page 43 Removal steps Note After installing a new coin cell battery reset the system date and time in the UEFI BIOS menu E lock Prerequisite Before you start read Appendix A ...

Страница 58: ...red for your safety Keep fingers and other parts of your body away from hazardous moving parts If you suffer an injury seek medical care immediately 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...

Страница 59: ... Front bezel on page 40 Drive bay assembly on page 43 2 Disconnect the power supply assembly cables from the system board Removal steps Chapter 7 CRU replacement 53 ...

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Страница 61: ...pe Vantage in the search box Product documentation Safety and Warranty Guide Setup Guide This User Guide Regulatory Notice Go to https pcsupport lenovo com Then follow the on screen instructions to filter out the documentation you want Lenovo Support Web site with the latest support information of the following Drivers and software Diagnostic solutions Product and service warranty Product and part...

Страница 62: ... version Which software applications were running at the time of the problem Can the problem be reproduced If so how 2 Record the system information Product name Machine type and serial number The following illustration shows where to find the machine type and serial number of your computer Lenovo Customer Support Center During the warranty period you can call Lenovo Customer Support Center for he...

Страница 63: ...r reseller if authorized by Lenovo will make selected Engineering Changes ECs that apply to your hardware available Services not covered Replacement or use of parts not manufactured for or by Lenovo or nonwarranted parts Identification of software problem sources Configuration of UEFI BIOS as part of an installation or upgrade Changes modifications or upgrades to device drivers Installation and ma...

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Страница 65: ...nternal battery that provides power to the system clock even when the computer is unplugged so the battery safety information applies to all computer products Conditions that require immediate action Products can become damaged due to misuse or neglect Some product damage is serious enough that the product should not be used again until it has been inspected and if necessary repaired by an authori...

Страница 66: ...ar product Note Some computer parts can be upgraded or replaced by the customer Upgrades typically are referred to as options Replacement parts approved for customer 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 i...

Страница 67: ...tubs toilets or on floors that are cleaned with liquid cleansers Liquids can cause a short circuit particularly if the power cord or power adapter has been stressed by misuse Liquids also can cause gradual corrosion of power cord terminals and or the connector terminals on a power adapter which can eventually result in overheating Ensure that all power cord connectors are securely and completely p...

Страница 68: ...better For other countries the suitable types must be used accordingly For units intended to be operated in Denmark Use a cord set with a grounding type attachment plug The cord set should have the appropriate safety approvals for the country in which the equipment will be installed For units intended to be operated in Norway Sweden Finland Use a cord set with a two prong attachment plug The cord ...

Страница 69: ...Consult an electrician for more information if you have questions about power loads and branch circuit ratings Be sure that the power outlet you are using is properly wired easily accessible and located close to the equipment Do not fully extend power cords in a way that will stress the cords Be sure that the power outlet provides the correct voltage and current for the product you are installing ...

Страница 70: ...ny part of the body seek medical care immediately Do not Throw or immerse into water Heat to more than 100 C 212 F Repair or disassemble Leave in an extremely low air pressure environment Leave in an extremely high temperature environment Crush puncture cut or incinerate Dispose of the battery as required by local ordinances or regulations The following statement applies to users in the state of C...

Страница 71: ...er Keep the cover closed whenever the computer is plugged in Regularly inspect the outside of the computer for dust accumulation Remove dust from vents and any perforations in the bezel More frequent cleanings might be required for computers in dusty or high traffic areas Do not restrict or block any ventilation openings Do not store or operate your computer inside furniture as this might increase...

Страница 72: ...bles have been connected to the computer DANGER During electrical storms do not perform any replacement and do not connect the telephone cable to or disconnect it from the telephone outlet on the wall Laser safety information CAUTION When laser products such as CD ROMs DVD drives fiber optic devices or transmitters are installed note the following Do not remove the covers Removing the covers of th...

Страница 73: ...our computer has both a headphone connector and an audio line out connector always use the headphone connector for earphones headphones or a headset However the headphone connector does not support the microphone of the headset If your computer has both a headset connector and an audio line out connector always use the headset connector for earphones headphones or a headset Excessive sound pressur...

Страница 74: ...NGER Plastic bags can be dangerous Keep plastic bags away from babies and children to avoid danger of suffocation Glass parts notice CAUTION Some parts of your product may be made of glass This glass could break if the product is dropped on a hard surface or receives a substantial impact If glass breaks do not touch or attempt to remove it Stop using your product until the glass is replaced by tra...

Страница 75: ... tips on how to minimize visual fatigue please go to https www lenovo com us en safecomp to visit Minimizing Visual Fatigue Tip over hazard prevention notice The computer may cause harm to children if it is not located in an appropriate place Follow the tips below to protect children from harm caused by the computer tipping over Place the computers or monitors on sturdy furniture with a low base o...

Страница 76: ...ctive packaging and install the part without setting it down When this is not possible place the static protective packaging on a smooth level surface and place the part on it Do not place the part on the computer cover or other metal surface Operating environment Maximum altitude without pressurization Operating From 15 2 m 50 ft to 3048 m 10 000 ft Storage From 15 2 m 50 ft to 10 668 m 35 000 ft...

Страница 77: ...or any other actions that might have taken place A log book can help you or a Lenovo technician determine the cause of a problem Back up your data on the storage drive regularly You can restore the storage drive from a backup Create a recovery medium as early as possible You can use the recovery medium to recover your operating system even if Windows fails to start up Get the most up to date opera...

Страница 78: ...om beneath the keys you can use a camera blower with a brush or use cool air from a hair dryer Clean the computer screen Scratches oil dust chemicals and ultraviolet light can affect the performance of your computer screen Use a dry soft lint free cloth to wipe the screen gently If you see a scratchlike mark on your screen it might be a stain Wipe or dust the stain gently with a soft dry cloth If ...

Страница 79: ...rrounding light sources active seating and the placement of your computer hardware can help you improve your performance and achieve greater comfort This example shows someone in a conventional setting Even when not in such a setting you can follow many of these tips Develop good habits and they will serve you well General posture Make minor modifications in your working posture to deter the onset...

Страница 80: ... provide weight support for your arms Keep your forearms wrists and hands in a relaxed and neutral horizontal position Type with a soft touch without pounding the keys Leg position Keep your thighs parallel to the floor and your feet flat on the floor or on a footrest 74 M75t Gen 2 User Guide ...

Страница 81: ... or from your computer contact your local Lenovo office or reseller to obtain a printed version of the LLW Access the Ubuntu help system The Ubuntu help system provides information about how to use the Ubuntu operating system To access the help system from Home Screen move your pointer to the Launch bar and then click the Help icon If you cannot find the Help icon from the Launch bar click the Sea...

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Страница 83: ...s that apply to EU Council Radio Equipment Directive 2014 53 EU on the approximation of the laws of the Member States as well as the UK Radio Equipment Regulations SI 2017 No 1206 relating to radio equipment The full text of the system EU declaration of conformity is available at https www lenovo com us en compliance eu doc The full text of the system UK declaration of conformity is available at h...

Страница 84: ... 사항과 네트워크 대역에 따라 다를 수 있습니다 본 장치 는 사람의 신체에서 20mm 이상의 거리에서 사용할 수 있습니다 Environmental information of countries and regions This section provides environmental recycling and RoHS information about Lenovo products Recycling and environmental information Lenovo encourages owners of information technology IT equipment to responsibly recycle their equipment when it is no longer needed Lenovo offers a varie...

Страница 85: ...fy as hazardous waste EEE and waste electrical and electronic equipment WEEE can be delivered free of charge to the place of sale or any distributor that sells electrical and electronic equipment of the same nature and function as the used EEE or WEEE Before placing electrical and electronic equipment EEE in the waste collection stream or in waste collection facilities the end user of equipment co...

Страница 86: ... 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 methods described above for collecting and recycling a disused computer or monitor Dispose of disused lithium batteries from Lenovo computers A button shaped lithium battery is installed inside your Lenovo computer to provide p...

Страница 87: ...vo product with included parts cables cords and so on meets the requirements of EU Directive 2011 65 EU as amended by Directive 2015 863 EU and UK SI 2012 No 3032 on the restriction of the use of certain hazardous substances in electrical and electronic equipment RoHS recast or RoHS 2 For more information about Lenovo worldwide compliance on RoHS go to https www lenovo com rohs communication Turki...

Страница 88: ...Mainland China RoHS 82 M75t Gen 2 User Guide ...

Страница 89: ...mmunications Commission FCC Supplier s Declaration of Conformity The following information refers to ThinkCentre M75t Gen 2 machine types 11KB 11KC 11KD 11KE 11RB 11RC 11RD 11RE 11W5 11W6 11W7 and 11W8 Appendix D Compliance and TCO Certified information 83 ...

Страница 90: ... is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation Responsible Party Lenovo United States Incorporated 7001 Development Drive Morrisville NC 27560 Email FCC lenovo com Industry Canada compliance statement CAN ICES 003 B NMB 003 B European Union...

Страница 91: ...ten bzw der EU Richtlinie 2014 30 EU der EU Richtlinie 2014 53 EU Artikel 3 1b für Geräte der Klasse B Dieses Gerät ist berechtigt in Übereinstimmung mit dem Deutschen EMVG das EG Konformitätszeichen CE zu führen Verantwortlich für die Konformitätserklärung nach Paragraf 5 des EMVG ist die Lenovo Deutschland GmbH Meitnerstr 9 D 70563 Stuttgart Japan VCCI Class B compliance statement Japan complian...

Страница 92: ...f the embargoed countries in the EAR E1 country list Lenovo product service information for Taiwan Taiwan precautionary vision statement 警語使用過度恐傷害視力注意事項使用30分鐘請休息10分鐘未滿2歲幼兒不看螢幕 2歲以上每天看螢幕不要超過1小時 Keyboard and mouse compliance statement for Taiwan Eurasian compliance mark Brazil audio notice Ouvir sons com mais de 85 decibéis por longos períodos pode provocar danos ao sistema auditivo ENERGY STAR ...

Страница 93: ...rface By using ENERGY STAR compliant products and taking advantage of the power management features of your computer you reduce the consumption of electricity Reduced electrical consumption contributes to potential financial savings a cleaner environment and the reduction of greenhouse gas emissions For more information about ENERGY STAR go to https www energystar gov Lenovo encourages you to make...

Страница 94: ...88 M75t Gen 2 User Guide ...

Страница 95: ...ht to improve and or modify the products and software programs described in the manuals included with your computer and the content of the manual at any time without additional notice The software interface and function and hardware configuration described in the manuals included with your computer might not match exactly the actual configuration of the computer that you purchase For the configura...

Страница 96: ...ompany software included with this product Lenovo may update this document at any time without notice For the latest information or any questions or comments contact or visit the Lenovo Web site https pcsupport lenovo com Trademarks LENOVO LENOVO logo THINKCENTRE and THINKCENTRE logo are trademarks of Lenovo Microsoft Windows Direct3D and Cortana are trademarks of the Microsoft group of companies ...

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