Lenovo Safety and Warranty Guide V1.0.0
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... 6 External devices 6 Batteries 6 Heat and product ventilation 7 Operating environment 8 Electrical current safety information 9 Lithium battery notice 10 Modem safety information 10 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 6 Heat and product ventilation 7 Operating environment 8 Electrical current safety information 9 Lithium battery notice 10 Modem safety information 10 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...
Lenovo Safety and Warranty Guide V1.0.0
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These conditions might merely mean that product until you can speak to the Customer Support Center 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 fire. • Damage ...any safety concerns with your product, stop using the product and unplug it from the power source and telecommunication lines until you have it is not manufactured for or by Lenovo, stop using that an internal electronic component has failed in any way. • ...
These conditions might merely mean that product until you can speak to the Customer Support Center 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 fire. • Damage ...any safety concerns with your product, stop using the product and unplug it from the power source and telecommunication lines until you have it is not manufactured for or by Lenovo, stop using that an internal electronic component has failed in any way. • ...
Lenovo Safety and Warranty Guide V1.0.0
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... have verified that shows corrosion at the ac input pins or shows signs of corrosion or overheating or where the power cord appears to match the voltage provided in the country or region where the computer was originally purchased. Liquids also...warranty guide 5 4BGFUZBOEXBSSBOUZHVJEF7 &/ 3 JOEE power cord or power adapter has been stressed by misuse. Extension cords and related devices Ensure that extension cords, surge protectors, uninterruptible power supplies, and power strips that country or region. Setting the voltage-selection switch incorrectly can...
... have verified that shows corrosion at the ac input pins or shows signs of corrosion or overheating or where the power cord appears to match the voltage provided in the country or region where the computer was originally purchased. Liquids also...warranty guide 5 4BGFUZBOEXBSSBOUZHVJEF7 &/ 3 JOEE power cord or power adapter has been stressed by misuse. Extension cords and related devices Ensure that extension cords, surge protectors, uninterruptible power supplies, and power strips that country or region. Setting the voltage-selection switch incorrectly can...
Lenovo Safety and Warranty Guide V1.0.0
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... computer. 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 ventilation openings. • Do not store or operate your computer inside ... inspect the outside of or beside the computer or other damage might increase the risk of the computer including heat sink inlet fins, power supply vents, and fans. If your computer to rise to an optimal operating temperature before use non-desktop air filtration devices. For your ...
... computer. 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 ventilation openings. • Do not store or operate your computer inside ... inspect the outside of or beside the computer or other damage might increase the risk of the computer including heat sink inlet fins, power supply vents, and fans. If your computer to rise to an optimal operating temperature before use non-desktop air filtration devices. For your ...
Lenovo Safety and Warranty Guide V1.0.0
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... are no serviceable parts inside any part that has the following label attached. There are present inside these parts, contact a service technician. Power supply statement Never remove the cover on a power supply or any component that has this label attached. If you suspect a problem with television tuner options installed The notice below applies to...
... are no serviceable parts inside any part that has the following label attached. There are present inside these parts, contact a service technician. Power supply statement Never remove the cover on a power supply or any component that has this label attached. If you suspect a problem with television tuner options installed The notice below applies to...
Lenovo Safety and Warranty Guide V1.0.0
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... of sight Adjust the elevation of the monitor 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 - 264V, 50Hz ± 1Hz ... 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 feet on the floor steadily 1.
... of sight Adjust the elevation of the monitor 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 - 264V, 50Hz ± 1Hz ... 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 feet on the floor steadily 1.
Lenovo Safety and Warranty Guide V1.0.0
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Keep the computer away from objects or environments with electromagnetic interference (EMI) such as magnets, working mobile phones and electrical appliances. 4BGFUZBOEXBSSBOUZHVJEF7 &/ 3 JOEE Safety and warranty guide 19 Warning Must fully remove the dustproof shield (if provided) to facilitate the heating eradiation and ventilation when the computer is running or before the power supply of the computer is completely switched off. 6.
Keep the computer away from objects or environments with electromagnetic interference (EMI) such as magnets, working mobile phones and electrical appliances. 4BGFUZBOEXBSSBOUZHVJEF7 &/ 3 JOEE Safety and warranty guide 19 Warning Must fully remove the dustproof shield (if provided) to facilitate the heating eradiation and ventilation when the computer is running or before the power supply of the computer is completely switched off. 6.
Lenovo H3 Series Hardware Maintenance Manual V2.0
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Symptom-to-FRU Index 21 Power Supply Problems 21 Beep symptoms 22 POST error codes 22 Undetermined problems 23 Chapter 7. Locations 24 Locating components and connectors 24 Chapter 8. Statement 53 ii Hardware ... CPU 42 Replacing the graphic card 45 Replacing the audio & USB connectors 46 Replacing the card reader module 46 Replacing the motherboard 47 Replacing the Power supply 48 Replacing the keyboard 50 Replacing the mouse 51 Chapter 9. Additional Service Information 52...
Symptom-to-FRU Index 21 Power Supply Problems 21 Beep symptoms 22 POST error codes 22 Undetermined problems 23 Chapter 7. Locations 24 Locating components and connectors 24 Chapter 8. Statement 53 ii Hardware ... CPU 42 Replacing the graphic card 45 Replacing the audio & USB connectors 46 Replacing the card reader module 46 Replacing the motherboard 47 Replacing the Power supply 48 Replacing the keyboard 50 Replacing the mouse 51 Chapter 9. Additional Service Information 52...
Lenovo H3 Series Hardware Maintenance Manual V2.0
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...hand tools have , near their equipment, rubber floor mats that supplies power to the machine and to protect yourself from power, telephone, and communication cables can then operate the switch or unplug the power cord quickly. •• Do not work on electrical ...Electrical safety CAUTION: Electrical current from electrical shock. •• Find the room emergency power-off position. 4 Working near equipment that is worn or defective. •• Reinstall all power before returning the machine to work alone under hazardous conditions or near power supplies -
...hand tools have , near their equipment, rubber floor mats that supplies power to the machine and to protect yourself from power, telephone, and communication cables can then operate the switch or unplug the power cord quickly. •• Do not work on electrical ...Electrical safety CAUTION: Electrical current from electrical shock. •• Find the room emergency power-off position. 4 Working near equipment that is worn or defective. •• Reinstall all power before returning the machine to work alone under hazardous conditions or near power supplies -
Lenovo H3 Series Hardware Maintenance Manual V2.0
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... circuit. The surface is near you need to switch off . •• Always look carefully for that another person to cause electrical shock. Power supply units - do not become a victim yourself. - Remember: Another person must be there to work area. When using testers, set the controls ... rule, you from their normal operating places in your pocket or behind your work on when they are moist floors, nongrounded power extension cables, power surges, and missing safety grounds. •• Do not touch live electrical circuits with the reflective surface of the units.)...
... circuit. The surface is near you need to switch off . •• Always look carefully for that another person to cause electrical shock. Power supply units - do not become a victim yourself. - Remember: Another person must be there to work area. When using testers, set the controls ... rule, you from their normal operating places in your pocket or behind your work on when they are moist floors, nongrounded power extension cables, power surges, and missing safety grounds. •• Do not touch live electrical circuits with the reflective surface of the units.)...
Lenovo H3 Series Hardware Maintenance Manual V2.0
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...was designed and built, had required safety items installed to measure third-wire ground continuity for any obvious alterations. Check the power cord for any obvious unsafe conditions, such as specified in identifying potentially unsafe conditions on the frame can continue without first correcting... in good condition. Check for damage (loose, broken, or sharp edges). 2. Check that the power-supply cover fasteners (screws or rivets) have not been removed or tampered with the power off the computer. This guide addresses only those items. However, good judgment should be frayed or ...
...was designed and built, had required safety items installed to measure third-wire ground continuity for any obvious alterations. Check the power cord for any obvious unsafe conditions, such as specified in identifying potentially unsafe conditions on the frame can continue without first correcting... in good condition. Check for damage (loose, broken, or sharp edges). 2. Check that the power-supply cover fasteners (screws or rivets) have not been removed or tampered with the power off the computer. This guide addresses only those items. However, good judgment should be frayed or ...
Lenovo H3 Series Hardware Maintenance Manual V2.0
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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 do not turn off the electrical current supplied to the device. The device also might have more than one power cord. CAUTION: The power control button on the device and the power switch on top of rack-mounted devices. 10 Hardware Maintenance Manual CAUTION: Use safe practices when lifting.
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 do not turn off the electrical current supplied to the device. The device also might have more than one power cord. CAUTION: The power control button on the device and the power switch on top of rack-mounted devices. 10 Hardware Maintenance Manual CAUTION: Use safe practices when lifting.
Lenovo H3 Series Hardware Maintenance Manual V2.0
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..., use the following for proper Reseat connectors installation. •• Power Cord •• On/Off Switch connector •• On/Off Switch Power Supply connector •• System Board Power Supply connectors •• Microprocessor(s) connection Check the power cord for Power-on page 13. If you did receive a POST error message diagnose the POST error...
..., use the following for proper Reseat connectors installation. •• Power Cord •• On/Off Switch connector •• On/Off Switch Power Supply connector •• System Board Power Supply connectors •• Microprocessor(s) connection Check the power cord for Power-on page 13. If you did receive a POST error message diagnose the POST error...
Lenovo H3 Series Hardware Maintenance Manual V2.0
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Locations Computer cover Power supply Motherboard Chassis Optical disk drive bay Optical disk drive Vent Heatsink Fan Hard disk drive Hard disk drive bay Front bezel Card reader (Selected models) Audio & USB connectors Front view The following illustrations show the location of connectors on the front of the computer. 1 2 3 4 5 6 25 Chapter 7.
Locations Computer cover Power supply Motherboard Chassis Optical disk drive bay Optical disk drive Vent Heatsink Fan Hard disk drive Hard disk drive bay Front bezel Card reader (Selected models) Audio & USB connectors Front view The following illustrations show the location of connectors on the front of the computer. 1 2 3 4 5 6 25 Chapter 7.
Lenovo H3 Series Hardware Maintenance Manual V2.0
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... new motherboard. 15. Remove the CPU. Remove the front bezel. Remove the optical disk drive. Remove all the relative parts back. 16. Replacing the Power supply To replace the Power supply: 1. Remove the computer cover. Slide then lift the motherboard out of chassis. 13. Reconnect all the cables to "Replacing the system fan". 7. Install...
... new motherboard. 15. Remove the CPU. Remove the front bezel. Remove the optical disk drive. Remove all the relative parts back. 16. Replacing the Power supply To replace the Power supply: 1. Remove the computer cover. Slide then lift the motherboard out of chassis. 13. Reconnect all the cables to "Replacing the system fan". 7. Install...
Lenovo H3 Series Hardware Maintenance Manual V2.0
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Remove the system fan. Refer to "Replacing the CPU". 10. Remove the memory module. Remove the CPU. Remove the motherboard. Refer to "Replacing the heatsink". 7. Refer to the chassis. 49 Remove the 5 screws that secure the Power supply to "Replacing the graphic card". 9. Refer to "Replacing a memory module". 8. Remove the graphic card. Remove the heatsink. Replacing hardware 5. Refer to "Replacing the system fan". 6. Chapter 8. Refer to "Replacing the motherboard". 11.
Remove the system fan. Refer to "Replacing the CPU". 10. Remove the memory module. Remove the CPU. Remove the motherboard. Refer to "Replacing the heatsink". 7. Refer to the chassis. 49 Remove the 5 screws that secure the Power supply to "Replacing the graphic card". 9. Refer to "Replacing a memory module". 8. Remove the graphic card. Remove the heatsink. Replacing hardware 5. Refer to "Replacing the system fan". 6. Chapter 8. Refer to "Replacing the motherboard". 11.
Lenovo H3 Series Hardware Maintenance Manual V2.0
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... "Locating connectors on the rear of the computer" and "Locating connectors on the front of chassis. 13. Hardware Maintenance Manual 12. Slide then lift the Power supply out of the computer". Replacing the keyboard To replace the keyboard: 1. Locate the connector for the keyboard. Unplug all...
... "Locating connectors on the rear of the computer" and "Locating connectors on the front of chassis. 13. Hardware Maintenance Manual 12. Slide then lift the Power supply out of the computer". Replacing the keyboard To replace the keyboard: 1. Locate the connector for the keyboard. Unplug all...
Lenovo H3 Series Hardware Maintenance Manual V2.0
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...a date and time at which the computer will be either a single event or a daily event. 52 Automatic Power-On features The Automatic Power-On features within the Power Management menu allow you to enable and disable features that turn on the computer automatically. •• Wake Up... (ACPI) BIOS Being an ACPI BIOS system, the operating system is allowed to control the power management features of the computer such as the system power supply, processor, hard disk drives, and some monitors. Hardware Maintenance Manual Additional Service Information 9 This chapter provides additional ...
...a date and time at which the computer will be either a single event or a daily event. 52 Automatic Power-On features The Automatic Power-On features within the Power Management menu allow you to enable and disable features that turn on the computer automatically. •• Wake Up... (ACPI) BIOS Being an ACPI BIOS system, the operating system is allowed to control the power management features of the computer such as the system power supply, processor, hard disk drives, and some monitors. Hardware Maintenance Manual Additional Service Information 9 This chapter provides additional ...
Lenovo H3 Series Safety and Warranty Guide
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... 6 External devices 6 Batteries 6 Heat and product ventilation 7 Operating environment 8 Electrical current safety information 9 Lithium battery notice 10 Modem safety information 10 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 6 Heat and product ventilation 7 Operating environment 8 Electrical current safety information 9 Lithium battery notice 10 Modem safety information 10 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...
Lenovo H3 Series Safety and Warranty Guide
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... 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 fire. • Damage to a battery (such as an extension cord) that is not manufactured for or by Lenovo, stop using that ..., or strong odor that liquid has been spilled or an object has fallen onto the computer product, the power cord, 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...
... 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 fire. • Damage to a battery (such as an extension cord) that is not manufactured for or by Lenovo, stop using that ..., or strong odor that liquid has been spilled or an object has fallen onto the computer product, the power cord, 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...