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Contents

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

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

Front .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  1
Rear .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  3
Features and specifications .  .  .  .  .  .  .  .  .  .  .  5

Statement on USB transfer rate . . . . . . . . 6

Chapter 2. Get started with your
computer . . . . . . . . . . . . . . . . . 7

Get started with Windows 10

. . . . . . . . . . 7

Windows account . . . . . . . . . . . . . 7
Windows user interface . . . . . . . . . . . 8

Connect to networks . . . . . . . . . . . . . . 9

Connect to the wired Ethernet . . . . . . . . 9
Connect to Wi-Fi networks (for selected
models) . . . . . . . . . . . . . . . . . 9

Use the Vantage app . . . . . . . . . . . . . . 9
Use multimedia . . . . . . . . . . . . . . . 10

Use audio . . . . . . . . . . . . . . . 10
Connect an external display . . . . . . . . 10

Chapter 3. Explore your computer . . 11

Manage power . . . . . . . . . . . . . . . 11

Set power button behaviors . . . . . . . . 11
Set the power plan . . . . . . . . . . . . 11

Transfer data . . . . . . . . . . . . . . . . 11

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

. . . . . . . . . . . . 11

Use the optical drive (for selected models)

. . 12

Use a media card (for selected models) . . . . 12

Use a smart cable clip . . . . . . . . . . . . 13
Purchase accessories . . . . . . . . . . . . 13

Chapter 4. Secure your computer
and information . . . . . . . . . . . . 15

Lock the computer

. . . . . . . . . . . . . 15

Use passwords . . . . . . . . . . . . . 16

Use software security solutions. . . . . . . . . 17

Use Windows firewalls .  .  .  .  .  .  .  .  .  .  17
Use antivirus programs .  .  .  .  .  .  .  .  .  .  17
Use Computrace Agent software embedded
in firmware (for selected models) .  .  .  .  .  .  17

Use BIOS security solutions . . . . . . . . . . 17

Erase all storage drive data .  .  .  .  .  .  .  .  17
Use the cover presence switch .  .  .  .  .  .  .  18
Use Intel BIOS guard .  .  .  .  .  .  .  .  .  .  .  18

Use Smart USB Protection. . . . . . . . . 18

Chapter 5. UEFI BIOS . . . . . . . . . 21

Chapter 6. Troubleshooting,
diagnostics, and recovery . . . . . . . 27

Basic procedure for resolving computer
problems . . . . . . . . . . . . . . . . . 27
Troubleshooting

. . . . . . . . . . . . . . 27

Startup problems .  .  .  .  .  .  .  .  .  .  .  .  28
Audio problems .  .  .  .  .  .  .  .  .  .  .  .  .  29
Network problems .  .  .  .  .  .  .  .  .  .  .  .  29
Performance problems .  .  .  .  .  .  .  .  .  .  32
Storage drive problems .  .  .  .  .  .  .  .  .  .  33
CD or DVD problems .  .  .  .  .  .  .  .  .  .  .  33
Serial connector problems .  .  .  .  .  .  .  .  .  34
USB device problems

. . . . . . . . . . 34

Software problems . . . . . . . . . . . . 35

Lenovo diagnostic tools

. . . . . . . . . . . 35

Recovery . . . . . . . . . . . . . . . . . 35

Restore system files and settings to an earlier
point .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  35
Restore your files from a backup .  .  .  .  .  .  35
Reset your computer .  .  .  .  .  .  .  .  .  .  .  35
Use advanced options .  .  .  .  .  .  .  .  .  .  36
Windows automatic recovery.  .  .  .  .  .  .  .  36
Create and use a recovery USB device .  .  .  .  36
Update the device driver

. . . . . . . . . 36

Chapter 7. CRU replacement . . . . . 39

What are CRUs . . . . . . . . . . . . . . . 39

Содержание ThinkCentre M70c

Страница 1: ...M70c User Guide ...

Страница 2: ...tant safety information on page 63 Safety and Warranty Guide Setup Guide Third 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: ...a 17 Use the cover presence switch 18 Use Intel BIOS guard 18 Use Smart USB Protection 18 Chapter 5 UEFI BIOS 21 What is UEFI BIOS 21 Enter the BIOS menu 21 Navigate in the BIOS interface 21 Change the display language of UEFI BIOS 21 Set the system date and time 22 Change the startup sequence 22 Enable or disable the configuration change detection feature 22 Enable or disable the automatic power ...

Страница 4: ...59 Self help resources 59 Call Lenovo 60 Before you contact Lenovo 60 Lenovo Customer Support Center 60 Purchase additional services 61 Appendix A Important safety information 63 Appendix B Accessibility and ergonomic information 77 Appendix C Supplemental information about the Ubuntu operating system 79 Appendix D Compliance and TCO Certified information 81 Appendix E Notices and trademarks 93 ii...

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: ...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 Blinking for three times The computer is initially connected to power On The computer is on Off The computer is off or in hibernation mode Blinking rapidly The computer is entering sleep or hibernation mode Blinking slowly The computer is in sleep mode 5 Sto...

Страница 8: ...connector is compatible with Headphones or earphones with a 3 5mm 0 14 inch TRS 3 pole plug Headsets with a 3 5mm 0 14 inch CTIA compliant TRRS 4 pole plug Note This headset connector does not support standalone external microphones with a TRS 3 pole plug or headsets with an OMTP compliant TRRS 4 pole plug 9 USB 3 2 connectors Gen 1 Connect USB compatible devices such as a USB keyboard USB mouse U...

Страница 9: ... signals from the computer to another audio or video device such as a high performance monitor 3 Serial connector Connect an external modem a serial printer or other devices that use a serial connector 4 VGA out connector Send video signals from the computer to another video device such as a monitor 5 USB 2 0 connectors Connect USB compatible devices such as a USB keyboard USB mouse USB storage de...

Страница 10: ...devices such as the keyboard and the mouse to your computer through a smart cable clip 12 Serial connector Connect an external modem a serial printer or other devices that use a serial connector 13 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 for selected models 4...

Страница 11: ... the Start button and then click System Memory Double data rate 4 DDR4 small outline dual in line memory module UDIMM Storage device 2 5 inch hard disk drive 3 5 inch hard disk drive M 2 solid state drive Intel Optane memory To view the storage drive capacity of your computer right click the Start button to open the Start context menu and then click Disk Management Note The storage drive capacity ...

Страница 12: ...any factors such as the processing 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 ...

Страница 13: ...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 14: ...uter 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 conne...

Страница 15: ... 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 ...

Страница 16: ... to 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 sel...

Страница 17: ...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 18: ...tton Use the emergency eject only in an emergency Record a disc 1 Insert 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 ...

Страница 19: ...to lock through the dents in the smart cable clip 3 Press the clip 2 into the cable lock slot 3 until it snaps into position 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 acc...

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Страница 21: ...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 22: ...revents unauthorized access to the data on the storage drive When a hard disk password is set you are prompted to enter a valid password each time you try to access the storage drive Note After you set a hard disk password your data on the storage drive is protected even if the storage drive is removed from one computer and installed in another System management password for selected models You ca...

Страница 23: ...stalled with an antivirus program to help you guard against detect and eliminate viruses Lenovo provides a full version of antivirus software on the computer with a free 30 day subscription After 30 days you must renew the license to continue receiving the antivirus software updates Note Virus definition files must be kept up to date to guard against new viruses For more information about how to u...

Страница 24: ...amper Detected and press Enter 3 Select Enabled and press Enter 4 Press F10 or Fn F10 to save the changes and exit If the cover presence switch is enabled and the computer cover is not correctly installed or closed an error message will be displayed when you turn on the computer To bypass the error message and log in to the operating system 1 Properly install or close the computer cover 2 Enter th...

Страница 25: ...3 Select the desired setting and press Enter 4 Press F10 or Fn F10 to save the changes and exit Chapter 4 Secure your computer and information 19 ...

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Страница 27: ... 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 28: ... temporary startup device Note Not all discs and storage drives are bootable 1 Depending on the type of the storage device do one of the following If the storage device is internal go to step 2 If the storage device is a disc ensure that 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 s...

Страница 29: ...electricity when the computer is off or in sleep mode To enable or disable the ErP LPS compliance mode 1 Restart the computer When the logo screen is displayed press F1 or Fn F1 2 Select Power Enhanced Power Saving Mode and press Enter 3 Depending on whether you select Enabled or Disabled do one of the following If you select Enabled press Enter Then select Power Automatic Power On and press Enter...

Страница 30: ...ibility list for the Windows version For details go to https support lenovo com us en solutions windows support To change the BIOS settings 1 Restart the computer When the logo screen is displayed press F1 or Fn F1 2 From the main interface select Security Secure Boot and press Enter 3 Depending on the operating system to be installed do one of the following To install the Windows 10 64 bit operat...

Страница 31: ...ave been removed Then reconnect the power cords for the computer and the monitor to electrical outlets 11 Turn on the computer and the monitor When the logo screen is displayed press F1 or Fn F1 12 To prevent data loss ensure that BIOS settings are restored to an earlier point For BIOS configurations see Chapter 5 UEFI BIOS on page 21 Clear CMOS 1 Remove all media from the drives and turn off all ...

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Страница 33: ...rectly c All connected devices that require ac power are connected to properly grounded and working electrical outlets d All connected devices are enabled in UEFI BIOS 2 Use an antivirus program if any to see if the computer has been infected by a virus If the program detects a virus remove the virus 3 See Chapter 6 Troubleshooting diagnostics and recovery on page 27 to resolve the problem you are...

Страница 34: ...t up from the correct storage drive or fails to start up Ensure that all storage drive signal cables and power cables are connected correctly Ensure that the storage drive the computer starts up from is listed as the first startup device in UEFI BIOS In rare cases the storage drive with the operating system might get corrupted or damaged In such cases you might need to replace the storage drive If...

Страница 35: ...ts 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 SoundBlaster emulatio...

Страница 36: ... wrong duplex mode 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 feat...

Страница 37: ... 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 Bluetooth headset or h...

Страница 38: ...e 1 Open the Start 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 i...

Страница 39: ...ged 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 set as the top...

Страница 40: ...cord connect the power 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 acc...

Страница 41: ... 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 Restore system files and settings to an earlier point 1 Go to Control Panel and view by large icons or small icons 2 Click Recovery Open System Restore Then follow the on screen instructions Resto...

Страница 42: ...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 backup copy of all the data that you want to keep 1 Ensure that your computer is connected to ac power 2 Prepare a USB drive with capacity of at least 16 GB The actual USB capacity required...

Страница 43: ...e 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 and software From Windows Update Note The device drivers provided by Windows Update might not be tested by Lenovo It is recommend...

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Страница 45: ...h your product and are available 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 y...

Страница 46: ...mportant safety information on page 63 and print the following instructions Replacement procedure 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 Remove the vertical stand 40 M70c User Guide ...

Страница 47: ...mputer and wait several minutes until the computer is cool Replacement procedure 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 Remove the vertical stand if any See Vertical stand on page 40 5 Gently l...

Страница 48: ...all the removed parts Then reconnect the power cord and all disconnected cables to the computer Note If a locking device is available use it to lock the computer Front bezel Prerequisite Before you start read Appendix A Important safety information on page 63 and print the following instructions 42 M70c User Guide ...

Страница 49: ...l 3 Install the front bezel 4 Reinstall all the removed parts Then reconnect the power cord and all disconnected cables to the computer PCI Express card Prerequisite Before you start read Appendix A Important safety information on page 63 and print the following instructions Chapter 7 CRU replacement 43 ...

Страница 50: ...d according to your model For computers with a pre assembled PCI Express connector cable do the following a Disconnect the PCI Express connector cable b Remove the PCI Express connector cable c Install the PCI Express card For computers with a pre assembled PCI Express card do the following 44 M70c User Guide ...

Страница 51: ...uter Optical drive Prerequisite Before you start read Appendix A Important safety information on page 63 and print the following instructions Replacement procedure 1 Remove the computer cover See Computer cover on page 41 2 Remove the front bezel See Front bezel on page 42 3 Disconnect the signal and power cable from the optical drive Chapter 7 CRU replacement 45 ...

Страница 52: ...4 Remove the optical drive 5 Remove the optical drive bracket 6 Install the optical drive bracket 46 M70c User Guide ...

Страница 53: ...lacement Before replacing the internal storage drive 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 mat...

Страница 54: ...a Remove the screw that secures the hard disk drive bracket b Remove the 3 5 inch hard disk drive and the bracket c Remove the 3 5 inch hard disk drive from the bracket 48 M70c User Guide ...

Страница 55: ...d Install the 3 5 inch hard disk drive into the bracket e Install the 3 5 inch hard disk drive and the bracket f Install the screw to secure the bracket Chapter 7 CRU replacement 49 ...

Страница 56: ... For computers with the 2 5 inch hard disk drive do the following a Remove the screw that secures the hard disk drive bracket b Remove the 2 5 inch hard disk drive and the bracket 50 M70c User Guide ...

Страница 57: ...c Remove the 2 5 inch hard disk drive from the bracket d Install the 2 5 inch hard disk drive into the bracket e Install the 2 5 inch hard disk drive and the bracket Chapter 7 CRU replacement 51 ...

Страница 58: ...nd all disconnected cables to the computer Memory module Prerequisite Before you start read Appendix A Important safety information on page 63 and print the following instructions Ensure that you follow the installation order for memory modules shown in the following illustration Replacement procedure 1 Remove the computer cover See Computer cover on page 41 52 M70c User Guide ...

Страница 59: ...ring the installation ensure that you align the memory module to the slot and press down on both ends until the latches are fully engaged with a click 7 Reinstall all the removed parts Then reconnect the power cord and all disconnected cables to the computer Coin cell battery Prerequisite Before you start read Appendix A Important safety information on page 63 and print the following instructions ...

Страница 60: ... fails the date and time information is lost An error message is displayed when you turn on the computer Replacement procedure 1 Remove the computer cover See Computer cover on page 41 2 Remove the front bezel See Front bezel on page 42 3 Remove the optical drive See Optical drive on page 45 4 Remove the hard disk drive See Hard disk drive on page 47 5 Remove the coin cell battery 6 Install the co...

Страница 61: ...designed for frequent changes or replacement Before replacing the internal storage drive 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 ...

Страница 62: ...a Remove the M 2 solid state drive b Install the M 2 solid state drive For computers with the heat sink for the M 2 solid state drive do the following depending on the computer model 56 M70c User Guide ...

Страница 63: ...a Remove the heat sink with the bracket b Remove the heat sink c Remove the M 2 solid state drive Chapter 7 CRU replacement 57 ...

Страница 64: ... M 2 solid state drive e Install the heat sink f Install the heat sink with the bracket 6 Reinstall all the removed parts Then reconnect the power cord and all disconnected cables to the computer 58 M70c User Guide ...

Страница 65: ...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 66: ...e 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 help Telephone numbers For a list of the Lenovo Support phone numbers for your country or region go to https pcsupport lenovo com supportphonelist Note Phone numbers are subject to change without n...

Страница 67: ... 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 maintenance of network operating systems NOS Installation and maintenance of programs For the terms and conditions of the Lenovo Limited Warranty that apply to your Lenovo hardware product see Safety ...

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Страница 69: ...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 70: ...cular 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 whe...

Страница 71: ...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 72: ...or 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 co...

Страница 73: ...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 74: ...e any 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 o...

Страница 75: ...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 76: ... cables 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...

Страница 77: ...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 78: ... DANGER 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 ...

Страница 79: ... 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 80: ...otective 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...

Страница 81: ...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 82: ... from 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 ...

Страница 83: ...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 84: ... to 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 78 M70c User Guide ...

Страница 85: ... 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 87: ...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 88: ... 요구 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 va...

Страница 89: ...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 90: ...ave 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 provid...

Страница 91: ...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 92: ...Mainland China RoHS 86 M70c User Guide ...

Страница 93: ...formation refers to ThinkCentre M70c machine types 11GJ 11GK 11GL and 11GM This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful Appendix D Compliance and TCO Certified information 87 ...

Страница 94: ...is 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 United Kingdom UK conformity European Union EU United Kingdom UK Electromagnetic Compatibility Compl...

Страница 95: ...rträglichkeit von Geräten 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 st...

Страница 96: ...y of 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 ST...

Страница 97: ...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 98: ...92 M70c User Guide ...

Страница 99: ...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 100: ... Linux agreement s which may accompany 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 Intel and Optane are trademarks of Intel Corporation or it...

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