Safety and General Information Guide - Notebook
Page 8
... and power adapter are intended for use with an AC power cord, always make sure that the power is turned off the computer and wait three to five minutes to do so by the customer. For other object. Never wrap a power cord around a power adapter or other ... any other product. For Germany, it is unplugged from a product equipped with this product only. They should never be safety approved. Lenovo provides documentation with any power source. Chapter 1. Important safety information Safety guidelines Always observe the following precautions to install options or replace CRUs...
... and power adapter are intended for use with an AC power cord, always make sure that the power is turned off the computer and wait three to five minutes to do so by the customer. For other object. Never wrap a power cord around a power adapter or other ... any other product. For Germany, it is unplugged from a product equipped with this product only. They should never be safety approved. Lenovo provides documentation with any power source. Chapter 1. Important safety information Safety guidelines Always observe the following precautions to install options or replace CRUs...
Safety and General Information Guide - Notebook
Page 9
... or on the power adapter. Important safety information Protect power cords and power adapters from liquids. Chapter 1. Do not use the outlet until it is damaged, contact the manufacturer to handle the electrical requirements of overheating (such as deformed plastic) at the ac input or anywhere on ...input rating. If power strips are securely and completely plugged into receptacles. For instance, do not use any power adapter that shows corrosion at the ac input pins or shows signs of the product. Never overload these devices. Do not share an electrical outlet with other...
... or on the power adapter. Important safety information Protect power cords and power adapters from liquids. Chapter 1. Do not use the outlet until it is damaged, contact the manufacturer to handle the electrical requirements of overheating (such as deformed plastic) at the ac input or anywhere on ...input rating. If power strips are securely and completely plugged into receptacles. For instance, do not use any power adapter that shows corrosion at the ac input pins or shows signs of the product. Never overload these devices. Do not share an electrical outlet with other...
Safety and General Information Guide - Notebook
Page 13
... of time. Always follow these basic precautions: • When your safety, always follow these features. • When the AC adapter is plugged in contact with your computer or charge the battery near flammable materials or in explosive environments. • Ventilation slots... the base, the palm rest, and some heat during normal operation. Important safety information ■ Heat and product ventilation Computers, AC adapters, and many accessories can generate a significant amount of the computer for safety, comfort, and reliable operation. These features might inadvertently ...
... of time. Always follow these basic precautions: • When your safety, always follow these features. • When the AC adapter is plugged in contact with your computer or charge the battery near flammable materials or in explosive environments. • Ventilation slots... the base, the palm rest, and some heat during normal operation. Important safety information ■ Heat and product ventilation Computers, AC adapters, and many accessories can generate a significant amount of the computer for safety, comfort, and reliable operation. These features might inadvertently ...
Safety and General Information Guide - Notebook
Page 20
... . Do not pack your computer in your car, place it on the device. 15 This will prevent damage to avoid being insolated. • Carry the AC adapter and power cord with the computer. ■ Handling storage media and drives properly • If your computer comes with your computer outdoors. • Ensure that...
... . Do not pack your computer in your car, place it on the device. 15 This will prevent damage to avoid being insolated. • Carry the AC adapter and power cord with the computer. ■ Handling storage media and drives properly • If your computer comes with your computer outdoors. • Ensure that...
Safety and General Information Guide - Notebook
Page 23
...and upgrades. • Only an authorized Lenovo repair technician should disassemble and repair your computer. • Do not modify or tape the latches to keep the display open or closed. • Take care not to turn your computer over while the AC adapter is disposed of in landfills. This ...is plugged in sleep or hibernation mode before the data transfer is lost or stolen. The static electricity could break the adapter plug. • Turn off your Lenovo products with Lenovo (refer to notify you if it is complete. Use and care Information ■ Other important tips • Do ...
...and upgrades. • Only an authorized Lenovo repair technician should disassemble and repair your computer. • Do not modify or tape the latches to keep the display open or closed. • Take care not to turn your computer over while the AC adapter is disposed of in landfills. This ...is plugged in sleep or hibernation mode before the data transfer is lost or stolen. The static electricity could break the adapter plug. • Turn off your Lenovo products with Lenovo (refer to notify you if it is complete. Use and care Information ■ Other important tips • Do ...
(English) User Guide - Lenovo N21 Chromebook
Page 7
...wet. When your computer is turned on , tripped over, pinched by lifting your computer. © Copyright Lenovo 2014 v Applying strong force to warm your body in contact with the operation of an ac power adapter, a mouse, a keyboard, a printer, or any other parts may damage or break them. The ...keeping your hands, your lap, or any other electronic device, so that could interfere with a hot section of your computer. When the ac power adapter is in use. • Never use and enjoyment out of charge in any way subjected to treatment that they reach depends on the amount...
...wet. When your computer is turned on , tripped over, pinched by lifting your computer. © Copyright Lenovo 2014 v Applying strong force to warm your body in contact with the operation of an ac power adapter, a mouse, a keyboard, a printer, or any other parts may damage or break them. The ...keeping your hands, your lap, or any other electronic device, so that could interfere with a hot section of your computer. When the ac power adapter is in use. • Never use and enjoyment out of charge in any way subjected to treatment that they reach depends on the amount...
(English) User Guide - Lenovo N21 Chromebook
Page 10
...such as deformed plastic) at the ac input pins or anywhere on floors that are cleaned with a three-pronged plug. Do not bend or modify the plug. Do not defeat this safety feature. This can eventually result in any power adapter that you have been damaged in ...to have questions about power loads, power requirements, and input ratings. Never overload these devices. Consult an electrician for an approved outlet adapter or to handle the electrical requirements of electricity; Some products are used accordingly. If you use with clothing or other object. Do ...
...such as deformed plastic) at the ac input pins or anywhere on floors that are cleaned with a three-pronged plug. Do not bend or modify the plug. Do not defeat this safety feature. This can eventually result in any power adapter that you have been damaged in ...to have questions about power loads, power requirements, and input ratings. Never overload these devices. Consult an electrician for an approved outlet adapter or to handle the electrical requirements of electricity; Some products are used accordingly. If you use with clothing or other object. Do ...
(English) User Guide - Lenovo N21 Chromebook
Page 13
...operate your body. Periodically take breaks from using it generates heat. Do not place the adapter in contact with a hot section of your computer is turned on the amount of overheating. © Copyright Lenovo 2014 xi Never use the keyboard, avoid keeping your palms on a bed, sofa, ..., the base, the palm rest, and some heat during normal operation. Perchlorate Material - Always follow these features. • When the ac power adapter is plugged in. • Regularly inspect the outside of the computer for any other flexible surface. and be careful not to an electrical...
...operate your body. Periodically take breaks from using it generates heat. Do not place the adapter in contact with a hot section of your computer is turned on the amount of overheating. © Copyright Lenovo 2014 xi Never use the keyboard, avoid keeping your palms on a bed, sofa, ..., the base, the palm rest, and some heat during normal operation. Perchlorate Material - Always follow these features. • When the ac power adapter is plugged in. • Regularly inspect the outside of the computer for any other flexible surface. and be careful not to an electrical...
(English) User Guide - Lenovo N21 Chromebook
Page 27
...to fix a computer problem. Under CRU service, Lenovo or its Service Provider to the customer. The customer is not available for removing and replacing CRUs. CRUs for Lenovo N21 Chromebook This section lists CRUs for Lenovo N21 Chromebook and where you can be replaced by the replacement.... CRU service is CRU and CRU service? Note: CRU service is responsible for them. CRUs Power cord ac power adapter Types Self-service Self...
...to fix a computer problem. Under CRU service, Lenovo or its Service Provider to the customer. The customer is not available for removing and replacing CRUs. CRUs for Lenovo N21 Chromebook This section lists CRUs for Lenovo N21 Chromebook and where you can be replaced by the replacement.... CRU service is CRU and CRU service? Note: CRU service is responsible for them. CRUs Power cord ac power adapter Types Self-service Self...
(English) User Guide - Lenovo N21 Chromebook
Page 29
... Size Resolutions Backlight type Memory Type/speed Capacity Expandable Storage Type Form factor Capacity Battery pack Type Cells and capacity ac adapter Input Output Power I/O ports Video/audio Audio USB Memory card Lenovo N21 Chromebook 80MG 300.4 mm x 212 mm x 22.4 mm 1.29 Kg Intel Baytrail-M 1280 x 720 pixels 11.6 inch 1366 ...x 768 pixels LED DDR3L 2 GB/4 GB No eMMC eMMC 16 GB Lithium-ion 3 cells, 36.63 Wh 100 - 240 V ac, 50 - 60 Hz 20V dc ...
... Size Resolutions Backlight type Memory Type/speed Capacity Expandable Storage Type Form factor Capacity Battery pack Type Cells and capacity ac adapter Input Output Power I/O ports Video/audio Audio USB Memory card Lenovo N21 Chromebook 80MG 300.4 mm x 212 mm x 22.4 mm 1.29 Kg Intel Baytrail-M 1280 x 720 pixels 11.6 inch 1366 ...x 768 pixels LED DDR3L 2 GB/4 GB No eMMC eMMC 16 GB Lithium-ion 3 cells, 36.63 Wh 100 - 240 V ac, 50 - 60 Hz 20V dc ...
(English) User Guide - Lenovo N21 Chromebook
Page 30
The battery is fully charged with the ac power adapter plugged in. The battery is being charged.. A charging-related error occurs. Indicator Camera Power and battery Status Solid blue Off Solid green Solid orange Blinking orange Off Meaning The camera is unplugged.. 14 User Guide The ac power adapter is on. The camera is off.
The battery is fully charged with the ac power adapter plugged in. The battery is being charged.. A charging-related error occurs. Indicator Camera Power and battery Status Solid blue Off Solid green Solid orange Blinking orange Off Meaning The camera is unplugged.. 14 User Guide The ac power adapter is on. The camera is off.
Hardware Maintenance Manual - Lenovo N21 Chromebook
Page 5
... 4. Contents Chapter 1. Safety information . . . . . 1 General safety 1 Electrical safety 1 Safety inspection guide 2 Handling devices that are sensitive to do first 19 Checking the ac power adapter 20 Chapter 3. Idetifying FRUs (CRUs) . . 21 All FRUs (CRUs) for Lenovo N21 Chromebook . . 21 Lenovo part numbers of screws used on N21 Chromebook . . 49 Appendix D. Lenovo part numbers of ac adapters and power cords . . . . 51 Appendix E.
... 4. Contents Chapter 1. Safety information . . . . . 1 General safety 1 Electrical safety 1 Safety inspection guide 2 Handling devices that are sensitive to do first 19 Checking the ac power adapter 20 Chapter 3. Idetifying FRUs (CRUs) . . 21 All FRUs (CRUs) for Lenovo N21 Chromebook . . 21 Lenovo part numbers of screws used on N21 Chromebook . . 49 Appendix D. Lenovo part numbers of ac adapters and power cords . . . . 51 Appendix E.
Hardware Maintenance Manual - Lenovo N21 Chromebook
Page 26
...disk drive becomes noisy, the hard disk drive might have been dropped or subject to excessive force. Checking the ac power adapter If the computer fails only when the ac power adapter is acceptable, do the following symptoms might indicate damage caused by spilling a liquid onto the keyboard • Use...The following : a. Depending on the voltage that you measure, do one of the following: • If the voltage is not correct, replace the ac power adapter. • If the voltage is used, refer to the information in the following : 1. • Damage caused by the improper insertion of a...
...disk drive becomes noisy, the hard disk drive might have been dropped or subject to excessive force. Checking the ac power adapter If the computer fails only when the ac power adapter is acceptable, do the following symptoms might indicate damage caused by spilling a liquid onto the keyboard • Use...The following : a. Depending on the voltage that you measure, do one of the following: • If the voltage is not correct, replace the ac power adapter. • If the voltage is used, refer to the information in the following : 1. • Damage caused by the improper insertion of a...
Hardware Maintenance Manual - Lenovo N21 Chromebook
Page 29
A Letter "N" in the CRU ID column. two asterisks (**) means that the part is a Self-service CRU; FRU (CRU) categories (continued) 7 Speakers N 8 WLAN & Bluetooth combo module N 9 I/O board N 10 DC-in cable N 11 Lower case N ac power adapter * Power cord * Note: A customer replaceable unit (CRU) is identified by a single asterisk (*) or two asterisks (**) in the CRU ID column means that the part is an Optional-service CRU. Idetifying FRUs (CRUs) 23 A single asterisk (*) means that the part is not a CRU. Table 1. Chapter 3.
A Letter "N" in the CRU ID column. two asterisks (**) means that the part is a Self-service CRU; FRU (CRU) categories (continued) 7 Speakers N 8 WLAN & Bluetooth combo module N 9 I/O board N 10 DC-in cable N 11 Lower case N ac power adapter * Power cord * Note: A customer replaceable unit (CRU) is identified by a single asterisk (*) or two asterisks (**) in the CRU ID column means that the part is an Optional-service CRU. Idetifying FRUs (CRUs) 23 A single asterisk (*) means that the part is not a CRU. Table 1. Chapter 3.
Hardware Maintenance Manual - Lenovo N21 Chromebook
Page 31
... Thermal Module Q N21 W/FAN MB Q N21 N2840 2G 7 Speakers MB Q N21 N2840 4G 8 WLAN & Bluetooth combo module Speaker Q N21 L+R Intel 7260 2x2AC+BT PCIE M.2 WLAN V2 Ltn BCM4356 2x2AC+BT4.0 PCIE M.2 WLAN 9 I/O board Fxn BCM4356 2x2AC+BT4.0 PCIE M.2 WLAN 10 DC-in the following tables to look up the Lenovo part numbers of ac adapters and power...
... Thermal Module Q N21 W/FAN MB Q N21 N2840 2G 7 Speakers MB Q N21 N2840 4G 8 WLAN & Bluetooth combo module Speaker Q N21 L+R Intel 7260 2x2AC+BT PCIE M.2 WLAN V2 Ltn BCM4356 2x2AC+BT4.0 PCIE M.2 WLAN 9 I/O board Fxn BCM4356 2x2AC+BT4.0 PCIE M.2 WLAN 10 DC-in the following tables to look up the Lenovo part numbers of ac adapters and power...
Hardware Maintenance Manual - Lenovo N21 Chromebook
Page 51
Appendix A. Feature or connector 1 Swivel camera 2 Microphone hole 3 Handle bar 4 Shortcut keys 5 Touch pad 6 AC power adapter 7 DC-in indicator 8 HDMI connector 9 USB 3.0 connector 10 Memory card (SD/MMC) slot 11 Combo audio jack 12 Speakers 13 Kensington lock slot 14 USB 2.0 connector 15 Power button © Copyright Lenovo 2015 45 N21 Chromebook features and connectors No. Features, controls, and connectors Figure 35. N21 Chromebook features and connectors Table 13.
Appendix A. Feature or connector 1 Swivel camera 2 Microphone hole 3 Handle bar 4 Shortcut keys 5 Touch pad 6 AC power adapter 7 DC-in indicator 8 HDMI connector 9 USB 3.0 connector 10 Memory card (SD/MMC) slot 11 Combo audio jack 12 Speakers 13 Kensington lock slot 14 USB 2.0 connector 15 Power button © Copyright Lenovo 2015 45 N21 Chromebook features and connectors No. Features, controls, and connectors Figure 35. N21 Chromebook features and connectors Table 13.
Safety, Warranty, and Setup Guide - Lenovo N21 Chromebook
Page 1
... *1 Attention: T he camera panel can purchase a security cable lock that fits the security keyhole to lock the computer to Chromebook? Refer to the electronic User Guide for a greener planet! However, forcing the camera panel beyond this step cannot be skipped... pad AC power connector DC-in Ctrl - 0: Reset zoom Ctrl - Q: Sign out Alt - for detailed product information: http://support.lenovo.com Chromebook Power cord AC power adapter Publications Note: The plug of keyboard shortcuts, press Ctrl - Safety, Warranty, and Setup Guide Lenovo N21 Chromebook Unpack ...
... *1 Attention: T he camera panel can purchase a security cable lock that fits the security keyhole to lock the computer to Chromebook? Refer to the electronic User Guide for a greener planet! However, forcing the camera panel beyond this step cannot be skipped... pad AC power connector DC-in Ctrl - 0: Reset zoom Ctrl - Q: Sign out Alt - for detailed product information: http://support.lenovo.com Chromebook Power cord AC power adapter Publications Note: The plug of keyboard shortcuts, press Ctrl - Safety, Warranty, and Setup Guide Lenovo N21 Chromebook Unpack ...