Safety and General Information Guide - Notebook
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... Caring for maintenance....20 Chapter 3. Important safety information 1 Conditions that require immediate action 1 Safety guidelines 3 Service and upgrades 3 Power cords and power adapters 3 Extension cords and related devices 4 Plugs and outlets 4 Power supply statement 5 External devices 5 Batteries 6 Rechargeable battery notice ..... 6 Lithium coin cell battery notice 7 Heat and product ventilation... 8 Laser compliance statement ..... 9 Electrical current safety information 10 Liquid crystal display (LCD) notice 11 Using headphones or...
... Caring for maintenance....20 Chapter 3. Important safety information 1 Conditions that require immediate action 1 Safety guidelines 3 Service and upgrades 3 Power cords and power adapters 3 Extension cords and related devices 4 Plugs and outlets 4 Power supply statement 5 External devices 5 Batteries 6 Rechargeable battery notice ..... 6 Lithium coin cell battery notice 7 Heat and product ventilation... 8 Laser compliance statement ..... 9 Electrical current safety information 10 Liquid crystal display (LCD) notice 11 Using headphones or...
Safety and General Information Guide - Notebook
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..., turn off the computer and wait three to five minutes to as Customer Replaceable Units, or CRUs. You must closely follow all instructions when installing or replacing parts. For other product. They should never be used with this product only. The power cord and power adapter are referred to let the computer cool before opening the cover. ■ Power cords and power adapters Use only the power...
..., turn off the computer and wait three to five minutes to as Customer Replaceable Units, or CRUs. You must closely follow all instructions when installing or replacing parts. For other product. They should never be used with this product only. The power cord and power adapter are referred to let the computer cool before opening the cover. ■ Power cords and power adapters Use only the power...
Safety and General Information Guide - Notebook
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... the computer is properly wired, easily accessible, and located close to replace the outlet with one of the branch circuit rating. If you are no serviceable parts inside these parts, contact a service technician. ■ External devices Do not connect or disconnect any part that will stress the cords. Important safety information Some products are using is shut down to insert it into...
... the computer is properly wired, easily accessible, and located close to replace the outlet with one of the branch circuit rating. If you are no serviceable parts inside these parts, contact a service technician. ■ External devices Do not connect or disconnect any part that will stress the cords. Important safety information Some products are using is shut down to insert it into...
Safety and General Information Guide - Notebook
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..., remove the static-sensitive part from touching components. - Movement can produce negative ions, give special attention to the following precautions to a metal expansion-slot cover or other circuit boards by the edges. This reduces static electricity in the package and your computer to facilitate safe electrostatic discharge. ■ Notice of static-electricity When you install a static-sensitive option or...
..., remove the static-sensitive part from touching components. - Movement can produce negative ions, give special attention to the following precautions to a metal expansion-slot cover or other circuit boards by the edges. This reduces static electricity in the package and your computer to facilitate safe electrostatic discharge. ■ Notice of static-electricity When you install a static-sensitive option or...
Safety and General Information Guide - Notebook
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... for most computers and are easily installed. • Use or schedule System Restore to take a system snapshot before installing new drivers, updating software, or installing new software. • Update device drivers and BIOS when needed. • Profile your machine type, model, and serial number available and the computer is a good idea to back up your data. CD-RW drives and CD-RW/DVD drives are available for maintenance 1 Check the capacity of owning your...
... for most computers and are easily installed. • Use or schedule System Restore to take a system snapshot before installing new drivers, updating software, or installing new software. • Update device drivers and BIOS when needed. • Profile your machine type, model, and serial number available and the computer is a good idea to back up your data. CD-RW drives and CD-RW/DVD drives are available for maintenance 1 Check the capacity of owning your...
Safety and General Information Guide - Notebook
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...; Replacement or use your Lenovo computer even easier. Calling the customer support center If you have a hardware problem and deciding what action is determined to be changes that can find support information for or by telephone through the customer support center. The following services are available to device drivers • Installation and maintenance of network operating systems (NOS) • Installation and maintenance of service. • Engineering change management - Chapter 3. You can make...
...; Replacement or use your Lenovo computer even easier. Calling the customer support center If you have a hardware problem and deciding what action is determined to be changes that can find support information for or by telephone through the customer support center. The following services are available to device drivers • Installation and maintenance of network operating systems (NOS) • Installation and maintenance of service. • Engineering change management - Chapter 3. You can make...
Safety and General Information Guide - Notebook
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... Example of time, unplug it is grounded as to lightning and power line surges. 31 Appendix B. This will prevent damage to the video product due to provide some protection against voltage surges and built-up static charges. • Lightning For added protection for long periods of antenna ... 810-21) e Power service grounding electrode system (NEC Article 250, Part H) f Ground clamps g Electronic service equipment The following notice applies to all countries and regions: * Danger: • Outdoor antenna grounding If an outside antenna or cable system is connected to the equipment, ...
... Example of time, unplug it is grounded as to lightning and power line surges. 31 Appendix B. This will prevent damage to the video product due to provide some protection against voltage surges and built-up static charges. • Lightning For added protection for long periods of antenna ... 810-21) e Power service grounding electrode system (NEC Article 250, Part H) f Ground clamps g Electronic service equipment The following notice applies to all countries and regions: * Danger: • Outdoor antenna grounding If an outside antenna or cable system is connected to the equipment, ...
Safety and General Information Guide - Notebook
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... of a Lenovo computer components Some Lenovo computer products sold in Lenovo sales, service, or marketing, and follow their instructions. To properly dispose of disused components, such as a printed circuit board or drive, use a Lenovo notebook computer at home and need to dispose of the disused lithium battery, insulate it with local ordinances and regulations. ■ Disposing a disused battery pack from the main power source...
... of a Lenovo computer components Some Lenovo computer products sold in Lenovo sales, service, or marketing, and follow their instructions. To properly dispose of disused components, such as a printed circuit board or drive, use a Lenovo notebook computer at home and need to dispose of the disused lithium battery, insulate it with local ordinances and regulations. ■ Disposing a disused battery pack from the main power source...
(English) User Guide - Lenovo N21 Chromebook
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...way. Protect power cords and power adapters from liquids. If the plug is a safety feature. This plug fits only into an electrical outlet. Never viii User Guide For other home...power loads, power requirements, and input ratings. The power cords shall be walked on a power adapter, which can cause the cord to replace the outlet with other countries, the suitable types shall be damaged or corroded, do not cover the power adapter with your computer, data, or attached devices. To prevent possible overheating, do not use any power adapter that draw large amounts of power...
...way. Protect power cords and power adapters from liquids. If the plug is a safety feature. This plug fits only into an electrical outlet. Never viii User Guide For other home...power loads, power requirements, and input ratings. The power cords shall be walked on a power adapter, which can cause the cord to replace the outlet with other countries, the suitable types shall be damaged or corroded, do not cover the power adapter with your computer, data, or attached devices. To prevent possible overheating, do not use any power adapter that draw large amounts of power...
(English) User Guide - Lenovo N21 Chromebook
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... using the battery and obtain a replacement from the electrical outlet. In addition, many mobile products, such as notebook computers, utilize a rechargeable battery pack to disconnect external devices. Do not crush, puncture, or incinerate batteries or short circuit the metal contacts. Carefully connect and disconnect the equipment from the battery manufacturer. © Copyright Lenovo 2014 ix Batteries supplied by Lenovo contain a coin cell battery to provide power...
... using the battery and obtain a replacement from the electrical outlet. In addition, many mobile products, such as notebook computers, utilize a rechargeable battery pack to disconnect external devices. Do not crush, puncture, or incinerate batteries or short circuit the metal contacts. Carefully connect and disconnect the equipment from the battery manufacturer. © Copyright Lenovo 2014 ix Batteries supplied by Lenovo contain a coin cell battery to provide power...
(English) User Guide - Lenovo N21 Chromebook
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... others need to sign in with your Google Account. Lock your Chromebook If you can use your Chromebook keyboard) for two seconds and then release the button. Step 2. Step 2. On the login screen, click Browse as Guest. Step 1. Step 2. Note: As a shortcut, press and hold the Power button (located on page 2 . Sign out If you want to check a Chromebook's owner. Click Sign out. Control...
... others need to sign in with your Google Account. Lock your Chromebook If you can use your Chromebook keyboard) for two seconds and then release the button. Step 2. Step 2. On the login screen, click Browse as Guest. Step 1. Step 2. Note: As a shortcut, press and hold the Power button (located on page 2 . Sign out If you want to check a Chromebook's owner. Click Sign out. Control...
(English) User Guide - Lenovo N21 Chromebook
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... required to return the defective part that can find instructions for removing and then installing CRUs according to fix a computer problem. CRUs Power cord ac power adapter Types Self-service Self-service Publication containing instructions Safety, warranty, and setup guide Safety, warranty, and setup guide Note: Safety, warranty, and setup guide is CRU and CRU service? CRU service What is a printed publication accompanying your Chromebook. © Copyright Lenovo 2014 11 When return is...
... required to return the defective part that can find instructions for removing and then installing CRUs according to fix a computer problem. CRUs Power cord ac power adapter Types Self-service Self-service Publication containing instructions Safety, warranty, and setup guide Safety, warranty, and setup guide Note: Safety, warranty, and setup guide is CRU and CRU service? CRU service What is a printed publication accompanying your Chromebook. © Copyright Lenovo 2014 11 When return is...
Hardware Maintenance Manual - Lenovo N21 Chromebook
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... board and the DC-in cable 35 Disassemble the LCD module 37 Remove the LCD bezel 37 Remove the LCD panel 39 Remove the camera board, the camera cover and the EDP cable 40 Remove the hinges and the WLAN antennas . 42 Appendix A. Lenovo part numbers of replacement FRUs or CRUs 25 Chapter 4. Idetifying FRUs (CRUs) . . 21 All FRUs (CRUs) for Lenovo N21 Chromebook . . 21 Lenovo part numbers of ac adapters and power cords . . . . 51 Appendix E. Lenovo part numbers of screws used on N21 Chromebook...
... board and the DC-in cable 35 Disassemble the LCD module 37 Remove the LCD bezel 37 Remove the LCD panel 39 Remove the camera board, the camera cover and the EDP cable 40 Remove the hinges and the WLAN antennas . 42 Appendix A. Lenovo part numbers of replacement FRUs or CRUs 25 Chapter 4. Idetifying FRUs (CRUs) . . 21 All FRUs (CRUs) for Lenovo N21 Chromebook . . 21 Lenovo part numbers of ac adapters and power cords . . . . 51 Appendix E. Lenovo part numbers of screws used on N21 Chromebook...
Hardware Maintenance Manual - Lenovo N21 Chromebook
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..., such as loose or missing hardware 2 Hardware Maintenance Manual When using testers, set the controls correctly and use the approved probe leads and accessories for safe operational condition. • Do not use good judgment to identify potential safety hazards due to switch off the power, if necessary. - Stand on suitable rubber mats (obtained locally, if necessary) to protect users and service technicians from injury. As...
..., such as loose or missing hardware 2 Hardware Maintenance Manual When using testers, set the controls correctly and use the approved probe leads and accessories for safe operational condition. • Do not use good judgment to identify potential safety hazards due to switch off the power, if necessary. - Stand on suitable rubber mats (obtained locally, if necessary) to protect users and service technicians from injury. As...
Hardware Maintenance Manual - Lenovo N21 Chromebook
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... go to the checkout instructions, ensure that the system was subjected to use . If you replace FRUs, it : 1. What to it is a list of service 3. Date on which the failing FRU was caused by misuse, accident, modification, unsuitable physical or operating environment, or improper maintenance by the customer. Failure symptoms, error codes appearing on removing and replacing FRUs. • When you...
... go to the checkout instructions, ensure that the system was subjected to use . If you replace FRUs, it : 1. What to it is a list of service 3. Date on which the failing FRU was caused by misuse, accident, modification, unsuitable physical or operating environment, or improper maintenance by the customer. Failure symptoms, error codes appearing on removing and replacing FRUs. • When you...
Hardware Maintenance Manual - Lenovo N21 Chromebook
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... are missing, look up the Lenovo parts numbers in which they are listed at the beginning of the base cover. Remove them through the Lenovo CRM system. 7. Pry the four rubbers out of damaging parts. 2. Begin by shaking the computer gently and listening for replacement screws and order them in the order in Appendix C "Lenovo part numbers of screws used on N21 Chromebook" on the back side...
... are missing, look up the Lenovo parts numbers in which they are listed at the beginning of the base cover. Remove them through the Lenovo CRM system. 7. Pry the four rubbers out of damaging parts. 2. Begin by shaking the computer gently and listening for replacement screws and order them in the order in Appendix C "Lenovo part numbers of screws used on N21 Chromebook" on the back side...
Hardware Maintenance Manual - Lenovo N21 Chromebook
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... 25 to the base cover. 34 Hardware Maintenance Manual Unplug the LCD cable 1 . Unplug the LCD cable Step 2. Table 7. removing the WLAN & Bluetooth combo module Screw label 2 Specifications M2 × 3mm, flat-head, nylon-coated Color Black Torque 1.85 +/- 0.15kgf-cm Refer to Table 3 "Part numbers for FRUs (CRUs)" on page 33 Step 1. Remove the four screws 2 that fix the LCD module to look up the Lenovo part numbers of replacement WLAN & Bluetooth combo modules.
... 25 to the base cover. 34 Hardware Maintenance Manual Unplug the LCD cable 1 . Unplug the LCD cable Step 2. Table 7. removing the WLAN & Bluetooth combo module Screw label 2 Specifications M2 × 3mm, flat-head, nylon-coated Color Black Torque 1.85 +/- 0.15kgf-cm Refer to Table 3 "Part numbers for FRUs (CRUs)" on page 33 Step 1. Remove the four screws 2 that fix the LCD module to look up the Lenovo part numbers of replacement WLAN & Bluetooth combo modules.
Hardware Maintenance Manual - Lenovo N21 Chromebook
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... FRUs (CRUs) for Lenovo N21 Chromebook" on page 21 Refer to Table 4 "Part numbers for LCD FRUs" on page 39 Step 1. peel the left and right hinges 2 . Remove WLAN antennas 42 Hardware Maintenance Manual Tension could cause the cables to be damaged by the cable guides, or a wire to make sure that the camera can rotate flexibly. As you route the cables, make sure that they are...
... FRUs (CRUs) for Lenovo N21 Chromebook" on page 21 Refer to Table 4 "Part numbers for LCD FRUs" on page 39 Step 1. peel the left and right hinges 2 . Remove WLAN antennas 42 Hardware Maintenance Manual Tension could cause the cables to be damaged by the cable guides, or a wire to make sure that the camera can rotate flexibly. As you route the cables, make sure that they are...
Safety, Warranty, and Setup Guide - Lenovo N21 Chromebook
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... Swivel camera*1 Microphone hole Handle bar Shortcut keys Touch pad AC power connector DC-in Ctrl - 0: Reset zoom Ctrl - Shift: Cycle through input methods Alt - [: Dock window left Alt - ]: Dock window right Alt - : Back Alt - : Forward Alt - : Page up Power off/Lock screen Search Two-key combinations Ctrl - : Take screenshot Ctrl - -: Zoom out Ctrl - +: Zoom in indicator HDMI connector USB 3.0 connector Memory card (SD/MMC) slot Combo audio jack Speakers Kensington lock slot*2 USB...
... Swivel camera*1 Microphone hole Handle bar Shortcut keys Touch pad AC power connector DC-in Ctrl - 0: Reset zoom Ctrl - Shift: Cycle through input methods Alt - [: Dock window left Alt - ]: Dock window right Alt - : Back Alt - : Forward Alt - : Page up Power off/Lock screen Search Two-key combinations Ctrl - : Take screenshot Ctrl - -: Zoom out Ctrl - +: Zoom in indicator HDMI connector USB 3.0 connector Memory card (SD/MMC) slot Combo audio jack Speakers Kensington lock slot*2 USB...
Safety, Warranty, and Setup Guide - Lenovo N21 Chromebook
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... reference, see User Manuals under the Finding information section. These publications provide safety precautions, usage instructions, hardware specifications, and regulatory information for your product, during the lifetime of suffocation. Select your Chromebook computer, click Get Help form the Apps launcher. Lenovo service and support The following website to the State of Lenovo in to excessive sound pressure levels. Lenovo product service information for...
... reference, see User Manuals under the Finding information section. These publications provide safety precautions, usage instructions, hardware specifications, and regulatory information for your product, during the lifetime of suffocation. Select your Chromebook computer, click Get Help form the Apps launcher. Lenovo service and support The following website to the State of Lenovo in to excessive sound pressure levels. Lenovo product service information for...