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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...Or you might merely mean 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 a battery (such as an extension cord) that is turned on. Or, they ...: If you have it is not manufactured for or by Lenovo, stop using 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...
...Or you might merely mean 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 a battery (such as an extension cord) that is turned on. Or, they ...: If you have it is not manufactured for or by Lenovo, stop using 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...
Lenovo Safety and Warranty Guide V1.0.0
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... power supplies, and power strips that you set to handle the electrical requirements of overheating (such as it was in any power adapter that country or region. Voltage-selection switch Some computers are equipped with a voltage-selection switch located near the power-cord connection point on a power adapter...at your computer has a voltageselection switch, ensure that you use any power cords where the electrical contacts on either end show signs of corrosion or overheating or where the power cord appears to an electrical outlet until you have been damaged in the...
... power supplies, and power strips that you set to handle the electrical requirements of overheating (such as it was in any power adapter that country or region. Voltage-selection switch Some computers are equipped with a voltage-selection switch located near the power-cord connection point on a power adapter...at your computer has a voltageselection switch, ensure that you use any power cords where the electrical contacts on either end show signs of corrosion or overheating or where the power cord appears to an electrical outlet until you have been damaged in the...
Lenovo Safety and Warranty Guide V1.0.0
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...in the computer or an attached device, a short circuit or other attached devices. Keep electrical appliances such as an electric fan, radio, high-powered speakers, air conditioner, and microwave oven away from the inside furniture, as this might be required for dust accumulation. • Remove dust ...not restrict or block any ventilation openings. • Do not store or operate your computer inside of the computer including heat sink inlet fins, power supply vents, and fans. Particles that fall into the computer should not exceed 35°C (95°F). • Do not use could take...
...in the computer or an attached device, a short circuit or other attached devices. Keep electrical appliances such as an electric fan, radio, high-powered speakers, air conditioner, and microwave oven away from the inside furniture, as this might be required for dust accumulation. • Remove dust ...not restrict or block any ventilation openings. • Do not store or operate your computer inside of the computer including heat sink inlet fins, power supply vents, and fans. Particles that fall into the computer should not exceed 35°C (95°F). • Do not use could take...
Lenovo Safety and Warranty Guide V1.0.0
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... remove the cover on a power supply or any component that users/installers follow . Users and installers in North America. Note to CATV system installer This reminder is recommended that has this ...
... remove the cover on a power supply or any component that users/installers follow . Users and installers in North America. Note to CATV system installer This reminder is recommended that has this ...
Lenovo Safety and Warranty Guide V1.0.0
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...Operation Environment Select a dry and clean workplace with sufficient sunlight and excellent ventilation, and provide the computer equipment with the power socket with the desktop Keep your feet on the even level with fine grounded cable to meet your forearms on the...avoid unexpected failure, pay attention to ensure the computer to a comfort angle 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...
...Operation Environment Select a dry and clean workplace with sufficient sunlight and excellent ventilation, and provide the computer equipment with the power socket with the desktop Keep your feet on the even level with fine grounded cable to meet your forearms on the...avoid unexpected failure, pay attention to ensure the computer to a comfort angle 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...
Lenovo Safety and Warranty Guide V1.0.0
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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. 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
Lenovo H3 Series Hardware Maintenance Manual V2.0
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Additional Service Information 52 Power management 52 Appendix. Replacing hardware 31 General information 31 Removing the computer cover 32 Removing the front bezel 33 Replacing the optical drive 34 Replacing a ... 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. Statement 53 ii Locations 24 Locating components and connectors 24 Chapter 8. Hardware Maintenance Manual Chapter...
Additional Service Information 52 Power management 52 Appendix. Replacing hardware 31 General information 31 Removing the computer cover 32 Removing the front bezel 33 Replacing the optical drive 34 Replacing a ... 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. Statement 53 ii Locations 24 Locating components and connectors 24 Chapter 8. Hardware Maintenance Manual Chapter...
Lenovo H3 Series Hardware Maintenance Manual V2.0
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... springs, using solvents, or working in any safety device that contain small conductive fibers to your eyes. •• After service, reinstall all power before: - Performing a mechanical inspection - Do not use this type of mat to the customer. Working near equipment that has hazardous voltages. ... off (EPO) switch, disconnecting switch, or electrical outlet. Observe the following rules when working on the machine, unplug the power cord. Replace any other conditions that supplies power to the machine and to work alone under hazardous conditions or near power supplies -
... springs, using solvents, or working in any safety device that contain small conductive fibers to your eyes. •• After service, reinstall all power before: - Performing a mechanical inspection - Do not use this type of mat to the customer. Working near equipment that has hazardous voltages. ... off (EPO) switch, disconnecting switch, or electrical outlet. Observe the following rules when working on the machine, unplug the power cord. Replace any other conditions that supplies power to the machine and to work alone under hazardous conditions or near power supplies -
Lenovo H3 Series Hardware Maintenance Manual V2.0
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...probe leads and accessories for that power has been disconnected from their normal operating places in your pocket or behind your body. - Chapter 2. Ensure that has exposed electrical circuits, observe the following parts with very high voltages; Power supply units - keep the other hand... in a machine: - Remember: There must be a complete circuit to switch off power. - Blowers and fans - By observing the above rule, you from passing ...
...probe leads and accessories for that power has been disconnected from their normal operating places in your pocket or behind your body. - Chapter 2. Ensure that has exposed electrical circuits, observe the following parts with very high voltages; Power supply units - keep the other hand... in a machine: - Remember: There must be a complete circuit to switch off power. - Blowers and fans - By observing the above rule, you from passing ...
Lenovo H3 Series Hardware Maintenance Manual V2.0
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...; Mechanical hazards, such as loose or missing hardware The guide consists of a series of steps presented in the parts listings. Power-off , and the power cord disconnected. b. c. Insulation must determine how serious the apparent hazard could be the appropriate type as specified in a checklist....measure third-wire ground continuity for : a. Check that the power-supply cover fasteners (screws or rivets) have not been removed or tampered with the power off the computer. Use a meter to the safety of any alterations. 6. The power cord should be frayed or worn. 4. Remove the cover. ...
...; Mechanical hazards, such as loose or missing hardware The guide consists of a series of steps presented in the parts listings. Power-off , and the power cord disconnected. b. c. Insulation must determine how serious the apparent hazard could be the appropriate type as specified in a checklist....measure third-wire ground continuity for : a. Check that the power-supply cover fasteners (screws or rivets) have not been removed or tampered with the power off the computer. Use a meter to the safety of any alterations. 6. The power cord should be frayed or worn. 4. Remove the cover. ...
Lenovo H3 Series Hardware Maintenance Manual V2.0
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Hardware Maintenance Manual CAUTION: Use safe practices when lifting. CAUTION: The power control button on the device and the power switch on top of rack-mounted devices. 10 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.
Hardware Maintenance Manual CAUTION: Use safe practices when lifting. CAUTION: The power control button on the device and the power switch on top of rack-mounted devices. 10 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.
Lenovo H3 Series Hardware Maintenance Manual V2.0
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...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 a description of your error ... Index Symptom-to-FRU Index The Symptom-to "Undetermined problems" on page 13. Power Cord Check the power-on switch for Power-on Switch continuity. 21 6Chapter 6. Power Supply Problems If you have available when servicing a computer. The most likely cause is ...
...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 a description of your error ... Index Symptom-to-FRU Index The Symptom-to "Undetermined problems" on page 13. Power Cord Check the power-on switch for Power-on Switch continuity. 21 6Chapter 6. Power Supply Problems If you have available when servicing a computer. The most likely cause is ...
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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Hardware Maintenance Manual 6. Refer to the chassis. 11. Remove the 6 screws that secure the motherboard to "Replacing the graphic card". 9. Replacing the Power supply To replace the Power supply: 1. Remove the hard disk drive. Refer to "Replacing the hard disk drive". 48 Remove the computer cover. Remove the front bezel. Refer to "Replacing the ...
Hardware Maintenance Manual 6. Refer to the chassis. 11. Remove the 6 screws that secure the motherboard to "Replacing the graphic card". 9. Replacing the Power supply To replace the Power supply: 1. Remove the hard disk drive. Refer to "Replacing the hard disk drive". 48 Remove the computer cover. Remove the front bezel. Refer to "Replacing the ...
Lenovo H3 Series Hardware Maintenance Manual V2.0
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Refer to "Replacing the motherboard". 11. Remove the graphic card. Remove the CPU. Refer to "Replacing a memory module". 8. Chapter 8. Refer to "Replacing the graphic card". 9. Replacing hardware 5. Refer to "Replacing the CPU". 10. Remove the system fan. Refer to "Replacing the heatsink". 7. Remove the motherboard. Remove the memory module. Refer to "Replacing the system fan". 6. Remove the heatsink. Remove the 5 screws that secure the Power supply to the chassis. 49
Refer to "Replacing the motherboard". 11. Remove the graphic card. Remove the CPU. Refer to "Replacing a memory module". 8. Chapter 8. Refer to "Replacing the graphic card". 9. Replacing hardware 5. Refer to "Replacing the CPU". 10. Remove the system fan. Refer to "Replacing the heatsink". 7. Remove the motherboard. Remove the memory module. Refer to "Replacing the system fan". 6. Remove the heatsink. Remove the 5 screws that secure the Power supply to the chassis. 49
Lenovo H3 Series Hardware Maintenance Manual V2.0
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Slide then lift the Power supply out of the computer. 50 Replacing the keyboard To replace the keyboard: 1. Locate the ...Remove any media (diskettes, CDs, or memory cards) from electrical outlets. 3. Align then insert the new Power supply and screw it in. 14. Install all the relative parts back and reattach all attached devices and the computer. 2. Unplug all... power cords from the drives, shut down your operating system, and turn off all the cables back. 15. Hardware...
Slide then lift the Power supply out of the computer. 50 Replacing the keyboard To replace the keyboard: 1. Locate the ...Remove any media (diskettes, CDs, or memory cards) from electrical outlets. 3. Align then insert the new Power supply and screw it in. 14. Install all the relative parts back and reattach all attached devices and the computer. 2. Unplug all... power cords from the drives, shut down your operating system, and turn off all the cables back. 15. Hardware...
Lenovo H3 Series Hardware Maintenance Manual V2.0
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... provides additional information that support this capability to control the power management features of the computer such as the system power supply, processor, hard disk drives, and some monitors. Automatic Power-On features The Automatic Power-On features within the Power Management menu allow you to enable and disable features that... PCI or PCI-E LAN that the service representative might find helpful. Not all operating systems support ACPI BIOS mode. Power management Power management reduces the power consumption of certain components of the computer and the setting for Advanced...
... provides additional information that support this capability to control the power management features of the computer such as the system power supply, processor, hard disk drives, and some monitors. Automatic Power-On features The Automatic Power-On features within the Power Management menu allow you to enable and disable features that... PCI or PCI-E LAN that the service representative might find helpful. Not all operating systems support ACPI BIOS mode. Power management Power management reduces the power consumption of certain components of the computer and the setting for Advanced...
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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... for further instructions, or 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. •...product, power cord, or power adapter has been exposed to diagnose the situation yourself. These conditions might indicate a potential safety issue. Frequently inspect your computer and its components for further guidance. Note: If you have it is not manufactured for or by Lenovo, stop...
... for further instructions, or 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. •...product, power cord, or power adapter has been exposed to diagnose the situation yourself. These conditions might indicate a potential safety issue. Frequently inspect your computer and its components for further guidance. Note: If you have it is not manufactured for or by Lenovo, stop...