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Chapter 3. CRU replacement

Customer Replaceable Units (CRUs) are parts that can be upgraded or replaced by the customer. The 
computers contain the following types of CRUs: 

• 

Self-service CRUs

: Refer to parts that can be installed or replaced easily by customer themselves or by 

trained service technicians at an additional cost.

• 

Optional-service CRUs

: Refer to parts that can be installed or replaced by customers with a greater skill 

level. Trained service technicians can also provide service to install or replace the parts under the type of 
warranty designated for the customer’s machine.

If you intend on installing a CRU, Lenovo will ship the CRU to you. CRU information and replacement 
instructions are shipped with 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 your receipt of the replacement CRU. For full details, see the Lenovo Limited Warranty 
documentation at 

https://www.lenovo.com/warranty/llw_02

.

What are CRUs

Refer to the following CRU list for your Chromebook.

Self-service CRUs

•  ac power adapter

•  Pen dummy*

•  Electronic pen*

•  Nano-SIM-card tray*

•  Power cord

Optional-service CRUs

•  Base cover assembly

* for selected models

Note:

Replacement of any parts not listed above, including the built-in rechargeable battery, must be done 

by a Lenovo-authorized repair facility or technician. Go to 

https://support.lenovo.com/partnerlocation

for more 

information.

Replace a CRU

Follow the replacement procedure to replace a CRU.

Pen dummy

Prerequisite

Before you start, read 

Generic Safety and Compliance Notices

and print the following instructions.

For access, do the following: 

© Copyright Lenovo 2021

17

Содержание Chromebook 100e Gen 3

Страница 1: ...Lenovo 100e 300e 500e Chromebook Gen 3 User Guide ...

Страница 2: ... Warranty Guide Setup Guide Generic Safety and Compliance Notices First Edition April 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: ...0 Use the electronic pen for selected models of Lenovo 300e 500e Chromebook Gen 3 12 Get to know your Chromebook modes for Lenovo 300e 500e Chromebook Gen 3 12 Connect to an external display 13 Set the power plan 14 Shut down your Chromebook 14 Chapter 3 CRU replacement 17 What are CRUs 17 Replace a CRU 17 Pen dummy 17 Base cover assembly 18 Chapter 4 Help and support 21 Frequently asked questions...

Страница 4: ...ollowing information Illustrations in this documentation might look different from your product Depending on the model some optional accessories features software programs and user interface instructions might not be applicable to your Chromebook Documentation content is subject to change without notice To get the latest documentation go to https pcsupport lenovo com ...

Страница 5: ...Chapter 1 Meet your Chromebook Front view Lenovo 100e Chromebook Gen 3 Camera Webcam privacy shutter Microphone Power button Touchpad Copyright Lenovo 2021 1 ...

Страница 6: ... webcam privacy shutter to cover or uncover the camera lens It is designed to protect your privacy Related topics Use the touch screen for Lenovo 300e 500e Chromebook Gen 3 only on page 10 Get to know your Chromebook modes for Lenovo 300e 500e Chromebook Gen 3 on page 12 Use the touchpad on page 9 2 Lenovo 100e 300e 500e Chromebook Gen 3 User Guide ...

Страница 7: ...ook Gen 3 Lenovo 300e 500e Chromebook Gen 3 USB C 3 2 Gen 1 power connector USB 3 2 connector Gen 1 Audio connector Security lock slot Electronic pen Volume buttons Power button for selected models Chapter 1 Meet your Chromebook 3 ...

Страница 8: ... 7 USB specifications on page 5 Use the electronic pen for selected models of Lenovo 300e 500e Chromebook Gen 3 on page 12 Lock your Chromebook on page 7 Connect to an external display on page 13 4 Lenovo 100e 300e 500e Chromebook Gen 3 User Guide ...

Страница 9: ...lly spill liquid on the keyboard Rear view Nano SIM card tray for selected models Specifications For detailed specifications of your Chromebook go to https psref lenovo com USB specifications Note Depending on the model some USB connectors might not be available on your Chromebook Chapter 1 Meet your Chromebook 5 ...

Страница 10: ... 2160 pixels 60 Hz Connect to USB C accessories to help expand your Chromebook functionality To purchase USB C accessories go to https www lenovo com accessories Statement on USB transfer rate Depending on many 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...

Страница 11: ...ptacles Lock your Chromebook Lock your Chromebook to a desk table or other fixtures through a compatible security cable lock Note The slot supports cable locks that conform to the Kensington NanoSaver lock standards using Cleat locking technology You are responsible for evaluating selecting and implementing the locking device and security feature Lenovo is not responsible for the locking device an...

Страница 12: ...rom a service carrier to connect to the cellular network To establish a cellular connection 1 Turn off the Chromebook 2 Locate the nano SIM card slot and insert the nano SIM card as shown Note the orientation of the card and ensure that it is seated correctly 3 Turn on the Chromebook 4 Click the network icon in the system tray and then turn on Mobile data Provide required information if needed Int...

Страница 13: ...so supports some key combinations alt Go to the previous page alt Go to the next page ctrl Take a screenshot alt Switch the letter case between the upper case and lower case l Lock the screen ctrl alt View all keyboard shortcuts To change the keyboard settings 1 Click the setting icon in the system tray and then click Device Keyboard 2 Follow the on screen instructions to change the settings as yo...

Страница 14: ...th moistened with lukewarm water or computer cleaner To change the settings 1 Click the setting icon in the system tray and then click Device Touchpad 2 Follow the on screen instructions to change the settings as you prefer If Enable tap to click is turned on you can tap or press the touchpad Otherwise you can only press the touchpad to achieve the clicking function of a traditional mouse Use the ...

Страница 15: ... piece of absorbent cotton to remove fingerprints or dust from the multi touch screen Do not apply solvents to the cloth The multi touch screen is a glass panel covered with a plastic film Do not apply pressure or place any metallic object on the screen which might damage the touch panel or cause it to malfunction Do not use fingernails gloved fingers or inanimate objects for input on the screen R...

Страница 16: ... the following operations with the pen To open an app or a Web page tap the display once To display the shortcut menu or make a selection tap the display and hold the pen there for one second Get to know your Chromebook modes for Lenovo 300e 500e Chromebook Gen 3 Rotate the display to switch among different modes according to your preference The keyboard is automatically disabled in the stand mode...

Страница 17: ...pper case keyboard s side of the Chromebook may become hot Avoid keeping your hands lap or any part of the body in contact with the upper case for over one minute Connect to an external display Connect your Chromebook to a projector or a monitor to give presentations or expand your workspace Chapter 2 Explore your Chromebook 13 ...

Страница 18: ... 2 Follow the on screen instructions to change the display settings as you prefer Set the power plan For ENERGY STAR compliant Chromebooks the following power plan takes effect when your Chromebooks have been idle for a specified duration Table 3 Default power plan when plugged into ac power Turn off the display After seven minutes and 30 seconds Put the Chromebook into sleep After eight minutes a...

Страница 19: ... Click in the system tray Press the power button Chapter 2 Explore your Chromebook 15 ...

Страница 20: ...16 Lenovo 100e 300e 500e Chromebook Gen 3 User Guide ...

Страница 21: ...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 replacement CRU For full details see the Lenovo Limited Warranty documentation at https www lenovo com warranty llw_02 What are CRUs Re...

Страница 22: ...t the following instructions Note Do not remove the base cover assembly when your Chromebook is connected to ac power For access do the following 1 Disable the built in battery Press together with the power button for about five seconds and at the same time detach the ac power adapter from the Chromebook Note Power supply from the built in battery will resume after you reconnect the Chromebook to ...

Страница 23: ...Chapter 3 CRU replacement 19 ...

Страница 24: ...e Troubleshooting If the Chromebook does not start up after you reinstall the base cover assembly disconnect the ac power adapter and then reconnect it to the Chromebook 20 Lenovo 100e 300e 500e Chromebook Gen 3 User Guide ...

Страница 25: ...by turning off the Chromebook immediately leaving the Chromebook on might make your Chromebook unusable 2 Do not try to drain out the liquid by turning over the Chromebook If your Chromebook has keyboard drainage holes on the bottom the liquid will be drained out through the holes 3 Wait until you are certain that all the liquid is dry before turning on your Chromebook How do I disinfect my Chrome...

Страница 26: ...t phone numbers Note Phone numbers are subject to change without notice If the number for your country or region is not provided contact your Lenovo reseller or Lenovo marketing representative Services available during the warranty period Problem determination Trained personnel are available to assist you with determining if you have a hardware problem and deciding what action is necessary to fix ...

Страница 27: ...d maintenance of programs For the terms and conditions of the Lenovo Limited Warranty that apply to your Lenovo hardware product go to https www lenovo com warranty llw_02 https pcsupport lenovo com warrantylookup Get help from Google After signing in to your Chromebook start Get Help from the app Launcher The Get Help app provides comprehensive instructions on using your Chromebook In addition if...

Страница 28: ...24 Lenovo 100e 300e 500e Chromebook Gen 3 User Guide ...

Страница 29: ...ttps pcsupport lenovo com docs generic_notices Locate the wireless antennas Your computer has a wireless antenna system You can enable wireless communication wherever you are The following illustrations show the antenna locations on your computer For models with wireless LAN card only 1 Wireless LAN antenna auxiliary 2 Wireless LAN antenna main Copyright Lenovo 2021 25 ...

Страница 30: ...N and wireless WAN cards Lenovo 100e Chromebook Gen 3 1 Wireless WAN antenna auxiliary 2 Wireless WAN antenna main 3 Wireless LAN antenna auxiliary 4 Wireless LAN antenna main 26 Lenovo 100e 300e 500e Chromebook Gen 3 User Guide ...

Страница 31: ...ertification related information Product name Machine types Lenovo 100e Chromebook Gen 3 82J7 and 82J8 Lenovo 300e Chromebook Gen 3 82J9 and 82JA Lenovo 500e Chromebook Gen 3 82JB Lenovo 500e Chromebook Gen 3 82JC Lenovo 500e Chromebook Gen 3 82JB and 82JC for India only The latest compliance information is available at Appendix A Compliance information 27 ...

Страница 32: ...t the equipment into an outlet on a circuit different from that to which the receiver is connected Consult an authorized dealer or service representative for help Lenovo is not responsible for any radio or television interference caused by using other than recommended cables and connectors or by unauthorized changes or modifications to this equipment Unauthorized changes or modifications could voi...

Страница 33: ...e ac power adapter and the battery pack as applicable should not be dropped crushed stepped on or otherwise abused An adult should caution his or her child about the potential trip hazard as posed by the cable between a power source and the computer An adult should inspect the computer including the ac power adapter and the battery pack as applicable periodically for damage Similarly if a child no...

Страница 34: ...30 Lenovo 100e 300e 500e Chromebook Gen 3 User Guide ...

Страница 35: ...Chrome Browser s address bar Be sure to provide a return address The open source software is distributed in hope it will be useful but WITHOUT ANY WARRANTY without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE See for example the GNU General Public License and or the Lesser General Public License for more information To view additional information regarding licen...

Страница 36: ...32 Lenovo 100e 300e 500e Chromebook Gen 3 User Guide ...

Страница 37: ...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 38: ...ense including any 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 and LENOVO logo are trademarks of Lenovo ENERGY STAR is a registered trademark of the U S Environmental Protec...

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