Safety and Warranty guide
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... 6 External devices 6 Batteries 7 Heat and product ventilation 7 Operating environment 8 Electrical current safety information 9 Lithium battery notice 10 Modem safety information 11 Laser compliance statement 11 Power supply statement 12 Products with television tuner options installed 12 Note to CATV system installer 12 Example of antenna grounding 13 Data safety 14 Cleaning and...
... 6 External devices 6 Batteries 7 Heat and product ventilation 7 Operating environment 8 Electrical current safety information 9 Lithium battery notice 10 Modem safety information 11 Laser compliance statement 11 Power supply statement 12 Products with television tuner options installed 12 Note to CATV system installer 12 Example of antenna grounding 13 Data safety 14 Cleaning and...
Safety and Warranty guide
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...power adapter. • The computer product, power cord, or power adapter has been exposed to water. • The product has been dropped or damaged in a safe and controlled manner. On very rare occasions, you have any of the following conditions, or if you have it is not manufactured for or by Lenovo...buildup of danger. Contact the Customer Support Center or the product manufacturer for further guidance. • Power cords, plugs, power adapters, extension cords, surge protectors, or power supplies that are cracked, broken, or damaged. • Signs of overheating, smoke, sparks, or ...
...power adapter. • The computer product, power cord, or power adapter has been exposed to water. • The product has been dropped or damaged in a safe and controlled manner. On very rare occasions, you have any of the following conditions, or if you have it is not manufactured for or by Lenovo...buildup of danger. Contact the Customer Support Center or the product manufacturer for further guidance. • Power cords, plugs, power adapters, extension cords, surge protectors, or power supplies that are cracked, broken, or damaged. • Signs of overheating, smoke, sparks, or ...
Safety and Warranty guide
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Handle adapters, memory modules, and other unpainted metal surface on it shall be walked on the computer cover or other metal surface. Power cords and power adapters Use only the power cords and power adapters supplied by objects. 4 Safety and warranty guide Doing so can stress the cord in the package and your movement. Never touch...
Handle adapters, memory modules, and other unpainted metal surface on it shall be walked on the computer cover or other metal surface. Power cords and power adapters Use only the power cords and power adapters supplied by objects. 4 Safety and warranty guide Doing so can stress the cord in the package and your movement. Never touch...
Safety and Warranty guide
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...Carefully connect and disconnect the equipment from the electrical outlet. Some products are equipped with other than USB and 1394 cables while the computer power is properly wired, easily accessible, and located close to be damaged or corroded, do not use the outlet until it into a ... with your computer, data, or attached devices. Extension cords and related devices Ensure that extension cords, surge protectors, uninterruptible power supplies, and power strips that you use are rated to disconnect external devices. 6 Safety and warranty guide If the plug is a safety feature. If...
...Carefully connect and disconnect the equipment from the electrical outlet. Some products are equipped with other than USB and 1394 cables while the computer power is properly wired, easily accessible, and located close to be damaged or corroded, do not use the outlet until it into a ... with your computer, data, or attached devices. Extension cords and related devices Ensure that extension cords, surge protectors, uninterruptible power supplies, and power strips that you use are rated to disconnect external devices. 6 Safety and warranty guide If the plug is a safety feature. If...
Safety and Warranty guide
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...the product for compatibility and should only be replaced with your lap or any part of your battery or the buildup of time. Batteries supplied by Lenovo for use with your computer, AC adapter, or accessories in portable mode. Do not crush, puncture, or incinerate batteries or short ...in the product documentation. Extended contact with the body could shorten the life of the battery and can cause gasses or flame to provide system power when in contact with approved parts. Do not expose the battery to overheat, which could cause discomfort or, potentially, a skin burn. •...
...the product for compatibility and should only be replaced with your lap or any part of your battery or the buildup of time. Batteries supplied by Lenovo for use with your computer, AC adapter, or accessories in portable mode. Do not crush, puncture, or incinerate batteries or short ...in the product documentation. Extended contact with the body could shorten the life of the battery and can cause gasses or flame to provide system power when in contact with approved parts. Do not expose the battery to overheat, which could cause discomfort or, potentially, a skin burn. •...
Safety and Warranty guide
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...;C (50°F-95°F) before opening the cover. If your computer within 2 feet of the computer including heat sink inlet fins, power supply vents, and fans. Inspect your computer more frequently. If you notice external dust accumulation, then examine and remove dust from the inside furniture..., as an electric fan, radio, high-powered speakers, air conditioner, and microwave oven away from vents and any perforations in extreme conditions. Always turn off and unplug the computer ...
...;C (50°F-95°F) before opening the cover. If your computer within 2 feet of the computer including heat sink inlet fins, power supply vents, and fans. Inspect your computer more frequently. If you notice external dust accumulation, then examine and remove dust from the inside furniture..., as an electric fan, radio, high-powered speakers, air conditioner, and microwave oven away from vents and any perforations in extreme conditions. Always turn off and unplug the computer ...
Safety and Warranty guide
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... exposure to Article 820-40 of these components. Danger Some laser products contain an embedded Class 3A or Class 3B laser diode. Power supply statement Never remove the cover on a power supply or any component that are not applicable, it is provided to call the CATV system installer's attention to the beam. Note to...
... exposure to Article 820-40 of these components. Danger Some laser products contain an embedded Class 3A or Class 3B laser diode. Power supply statement Never remove the cover on a power supply or any component that are not applicable, it is provided to call the CATV system installer's attention to the beam. Note to...
Safety and Warranty guide
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...Selection of Operation Environment Select a dry and clean workplace with sufficient sunlight and excellent ventilation, and provide the computer equipment with the power socket with fine grounded cable to meet your monitor weighs more than 18 kg (39.68 lb), it is recommended that it ... be attached must also be connected to properly wired and grounded power outlets. • To isolate the monitor from the electrical supply, you must be easily accessible. The power outlet should be connected to a properly wired and grounded power outlet. • Any equipment to which this device. Caution for...
...Selection of Operation Environment Select a dry and clean workplace with sufficient sunlight and excellent ventilation, and provide the computer equipment with the power socket with fine grounded cable to meet your monitor weighs more than 18 kg (39.68 lb), it is recommended that it ... be attached must also be connected to properly wired and grounded power outlets. • To isolate the monitor from the electrical supply, you must be easily accessible. The power outlet should be connected to a properly wired and grounded power outlet. • Any equipment to which this device. Caution for...
Safety and Warranty guide
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...unexpected failure, pay attention to ensure the computer to operate within the scope of environmental specifications and: Adaptability index for product operation environment Adaptability for power supply 220V ± 22V, 50Hz ± 1Hz (Only For China Desktop) 90V - 264V, 50/60Hz (Adaptive Voltage Positioning) 90V - ...20% - 93% (40˚C) Atmosphere pressure 86 kPa - 106 kPa Warning It will cause irremovable failure when the computer is powered on immediately after it is moved from the environment with low temperature to the operating temperature, so make sure your computer to restore...
...unexpected failure, pay attention to ensure the computer to operate within the scope of environmental specifications and: Adaptability index for product operation environment Adaptability for power supply 220V ± 22V, 50Hz ± 1Hz (Only For China Desktop) 90V - 264V, 50/60Hz (Adaptive Voltage Positioning) 90V - ...20% - 93% (40˚C) Atmosphere pressure 86 kPa - 106 kPa Warning It will cause irremovable failure when the computer is powered on immediately after it is moved from the environment with low temperature to the operating temperature, so make sure your computer to restore...
Safety and Warranty guide
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... to enhance your feet can be 5cm away from time to facilitate the heating eradiation and ventilation when the computer is running or before the power supply of the display for a moment or relax every some time (such as ensure that the host, monitor and other at a place with the floor and...
... to enhance your feet can be 5cm away from time to facilitate the heating eradiation and ventilation when the computer is running or before the power supply of the display for a moment or relax every some time (such as ensure that the host, monitor and other at a place with the floor and...
Lenovo C50-30 All-In-One Computer Hardware Maintenance Manual
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...settings 13 Using passwords 13 Enabling or disabling a device 15 Selecting a startup device 16 Exiting the Lenovo BIOS Setup Utility program . . 17 Chapter 6. Symptom-to-FRU Index . . 19 Hard disk drive boot error 19 Power Supply Problems 19 POST error codes 20 Undetermined problems 20 Chapter 7. About this manual . . . ... 29 Removing the middle cover 30 Replacing the converter board 32 Removing the EMI cover 33 Replacing the Wi-Fi card 34 Replacing the heat-sink 35 Replacing the system fan 37 Replacing the speaker system 38 Replacing the power switch board 39 Replacing the...
...settings 13 Using passwords 13 Enabling or disabling a device 15 Selecting a startup device 16 Exiting the Lenovo BIOS Setup Utility program . . 17 Chapter 6. Symptom-to-FRU Index . . 19 Hard disk drive boot error 19 Power Supply Problems 19 POST error codes 20 Undetermined problems 20 Chapter 7. About this manual . . . ... 29 Removing the middle cover 30 Replacing the converter board 32 Removing the EMI cover 33 Replacing the Wi-Fi card 34 Replacing the heat-sink 35 Replacing the system fan 37 Replacing the speaker system 38 Replacing the power switch board 39 Replacing the...
Lenovo C50-30 All-In-One Computer Hardware Maintenance Manual
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... fans - Performing a mechanical inspection - do not become a victim yourself. 4 Lenovo C50 Series All-In-One Computer Hardware Maintenance Manual Observe the following rules when working on the computer, unplug the power cord. Some hand tools have rubber floor mats near equipment that contain small conductive fibers... the units.) • If an electrical accident occurs: - First, check that tester. - This surface is near power supplies - Power supply units - Motor generators and similar units. (This practice ensures correct grounding of a plastic dental mirror. Use caution;
... fans - Performing a mechanical inspection - do not become a victim yourself. 4 Lenovo C50 Series All-In-One Computer Hardware Maintenance Manual Observe the following rules when working on the computer, unplug the power cord. Some hand tools have rubber floor mats near equipment that contain small conductive fibers... the units.) • If an electrical accident occurs: - First, check that tester. - This surface is near power supplies - Power supply units - Motor generators and similar units. (This practice ensures correct grounding of a plastic dental mirror. Use caution;
Lenovo C50-30 All-In-One Computer Hardware Maintenance Manual
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...how serious the apparent hazard could be used to identify potential safety hazards due to electrostatic discharge (ESD). Make sure that the power-supply cover fasteners (screws or rivets) have been certified (ISO 9000) as specified in charge between the external ground pin and ...cables. 8. Check for any alterations. 6. Check that the ESD protective devices you use have not been removed or tampered with the power off power. - Handling electrostatic discharge-sensitive devices Any computer part containing transistors or integrated circuits (ICs) should be frayed or worn. 4. ...
...how serious the apparent hazard could be used to identify potential safety hazards due to electrostatic discharge (ESD). Make sure that the power-supply cover fasteners (screws or rivets) have been certified (ISO 9000) as specified in charge between the external ground pin and ...cables. 8. Check for any alterations. 6. Check that the ESD protective devices you use have not been removed or tampered with the power off power. - Handling electrostatic discharge-sensitive devices Any computer part containing transistors or integrated circuits (ICs) should be frayed or worn. 4. ...
Lenovo C50-30 All-In-One Computer Hardware Maintenance Manual
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...8805;32 kg (70.5 lbs) ≥55 kg (121.2 lbs) CAUTION: The power control button on the device and the power switch on top of rack-mounted devices. 8 Lenovo C50 Series All-In-One Computer Hardware Maintenance Manual The device also might have more than one... power cord. To remove all electrical current from the device, ensure that all power cords are disconnected from the power source. 2 1 CAUTION: Do not place any object weighing more than 82 kg (180 lbs.) on the power supply...
...8805;32 kg (70.5 lbs) ≥55 kg (121.2 lbs) CAUTION: The power control button on the device and the power switch on top of rack-mounted devices. 8 Lenovo C50 Series All-In-One Computer Hardware Maintenance Manual The device also might have more than one... power cord. To remove all electrical current from the device, ensure that all power cords are disconnected from the power source. 2 1 CAUTION: Do not place any object weighing more than 82 kg (180 lbs.) on the power supply...
Lenovo C50-30 All-In-One Computer Hardware Maintenance Manual
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...no error is found by an application, the operating system, or both. Power-on the computer. • Look for displayed error codes. • Look for readable instructions ... Attention: The drives in the computer you cannot continue, replace the last device tested. © Copyright Lenovo 2014 11 Use the following happens, follow the instruction given: • If the computer displays a POST... error, go to step 6. If you did receive the correct response, proceed to the information supplied with that software package. Chapter 4. If one of the following procedure to help determine the cause ...
...no error is found by an application, the operating system, or both. Power-on the computer. • Look for displayed error codes. • Look for readable instructions ... Attention: The drives in the computer you cannot continue, replace the last device tested. © Copyright Lenovo 2014 11 Use the following happens, follow the instruction given: • If the computer displays a POST... error, go to step 6. If you did receive the correct response, proceed to the information supplied with that software package. Chapter 4. If one of the following procedure to help determine the cause ...
Lenovo C50-30 All-In-One Computer Hardware Maintenance Manual
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...drive. Check/Verify Check that the following are unable to correct the problem using this index. FRU/Action Reseat connectors Power Cord Power-on the startup drive is a power supply problem. Hard disk drive boot error A hard disk drive boot error can also be used to help you decide which...POST error message, diagnose the POST error message first. • If you suspect there is corrupted. The boot sector on Switch © Copyright Lenovo 2014 19 The drive must be caused by the following : 1. No operating system is in the boot sequence. Install an operating system on ...
...drive. Check/Verify Check that the following are unable to correct the problem using this index. FRU/Action Reseat connectors Power Cord Power-on the startup drive is a power supply problem. Hard disk drive boot error A hard disk drive boot error can also be used to help you decide which...POST error message, diagnose the POST error message first. • If you suspect there is corrupted. The boot sector on Switch © Copyright Lenovo 2014 19 The drive must be caused by the following : 1. No operating system is in the boot sequence. Install an operating system on ...
Lenovo C50-30 All-In-One Computer Hardware Maintenance Manual
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... that the service representative might find helpful. Advanced configuration and power interface (ACPI) BIOS As this manual. Automatic Power-On features The Automatic Power-On features within the Power Management menu allow you to control the power management features of the computer such as the system power supply, processor, hard disk drives, and some monitors. Additional Service... has an ACPI BIOS system, the operating system is ignored. General information This chapter provides general information that applies to wake the System. © Copyright Lenovo 2014 59
... that the service representative might find helpful. Advanced configuration and power interface (ACPI) BIOS As this manual. Automatic Power-On features The Automatic Power-On features within the Power Management menu allow you to control the power management features of the computer such as the system power supply, processor, hard disk drives, and some monitors. Additional Service... has an ACPI BIOS system, the operating system is ignored. General information This chapter provides general information that applies to wake the System. © Copyright Lenovo 2014 59