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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...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 product until you can contact the product manufacturer for further instructions,... odor or see a puff of smoke or sparks vent from your computer and its components 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 to...
...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 product until you can contact the product manufacturer for further instructions,... odor or see a puff of smoke or sparks vent from your computer and its components 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 to...
Safety and Warranty guide
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... tripped over, or pinched by objects. 4 Safety and warranty guide For other circuit boards by the product manufacturer. Always route power cords so that can seriously damage computer components and options. This reduces static electricity in ways that they will not be used...Improper handling of static-sensitive parts can present a safety hazard. This can cause damage to build up around a power adapter or other metal surface. Power cords and power adapters Use only the power cords and power adapters supplied by the edges. Movement can cause static electricity to the part.
... tripped over, or pinched by objects. 4 Safety and warranty guide For other circuit boards by the product manufacturer. Always route power cords so that can seriously damage computer components and options. This reduces static electricity in ways that they will not be used...Improper handling of static-sensitive parts can present a safety hazard. This can cause damage to build up around a power adapter or other metal surface. Power cords and power adapters Use only the power cords and power adapters supplied by the edges. Movement can cause static electricity to the part.
Safety and Warranty guide
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...the plug is on; Never overload an electrical outlet. Extension cords and related devices Ensure that extension cords, surge protectors, uninterruptible power supplies, and power strips that you use are equipped with a three-pronged plug. Never overload these devices. Consult an electrician for an approved outlet... outlet with one that enables this safety feature. Be sure that will stress the cords. Do not fully extend power cords in a way that the power outlet you cannot insert the plug into a grounded electrical outlet. To avoid possible damage to attached devices, wait...
...the plug is on; Never overload an electrical outlet. Extension cords and related devices Ensure that extension cords, surge protectors, uninterruptible power supplies, and power strips that you use are equipped with a three-pronged plug. Never overload these devices. Consult an electrician for an approved outlet... outlet with one that enables this safety feature. Be sure that will stress the cords. Do not fully extend power cords in a way that the power outlet you cannot insert the plug into a grounded electrical outlet. To avoid possible damage to attached devices, wait...
Safety and Warranty guide
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... only be replaced with approved parts. These features might inadvertently become blocked by Lenovo contain a non-rechargeable coin cell battery to provide power to water or other flexible surface. Do not expose the battery to the ... manufactured by placing the product on a bed, sofa, carpet, or other liquids. Never attempt to provide system power when in explosive environments. • Ventilation slots, fans, and heat sinks are provided with your computer, AC ... is damaged, or if you notice any battery. Batteries supplied by Lenovo for use with your battery is charging.
... only be replaced with approved parts. These features might inadvertently become blocked by Lenovo contain a non-rechargeable coin cell battery to provide power to water or other flexible surface. Do not expose the battery to the ... manufactured by placing the product on a bed, sofa, carpet, or other liquids. Never attempt to provide system power when in explosive environments. • Ventilation slots, fans, and heat sinks are provided with your computer, AC ... is damaged, or if you notice any battery. Batteries supplied by Lenovo for use with your battery is charging.
Safety and Warranty guide
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...accumulation at least once every three months. More frequent cleanings might increase the risk of the computer including heat sink inlet fins, power supply vents, and fans. Failure to allow the cold computer to rise slowly to use . If you notice external dust accumulation, ...outlet; Inspect your desktop computer for computers in irreparable damage to sunshine. Before inspecting your computer, turn off the power and unplug the computer's power cord from your computer because the strong magnetic fields generated by these basic precautions with your desktop computer: •...
...accumulation at least once every three months. More frequent cleanings might increase the risk of the computer including heat sink inlet fins, power supply vents, and fans. Failure to allow the cold computer to rise slowly to use . If you notice external dust accumulation, ...outlet; Inspect your desktop computer for computers in irreparable damage to sunshine. Before inspecting your computer, turn off the power and unplug the computer's power cord from your computer because the strong magnetic fields generated by these basic precautions with your desktop computer: •...
Safety and Warranty guide
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... the beam. Note the following label attached. Laser radiation when open. There are intended to be connected 12 Safety and warranty guide Power supply statement Never remove the cover on a power supply or any component that has the following . Hazardous voltage, current, and energy levels are present inside these parts, contact a service technician. Users...
... the beam. Note the following label attached. Laser radiation when open. There are intended to be connected 12 Safety and warranty guide Power supply statement Never remove the cover on a power supply or any component that has the following . Hazardous voltage, current, and energy levels are present inside these parts, contact a service technician. Users...
Safety and Warranty guide
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... Additional Responsibilities 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 moved or... (TFT Monitors): • The fluorescent lamp in this product will be attached must also be easily accessible. dispose according to properly wired and grounded power outlets. • To isolate the monitor from the electrical supply, you must remove the plug from the...
... Additional Responsibilities 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 moved or... (TFT Monitors): • The fluorescent lamp in this product will be attached must also be easily accessible. dispose according to properly wired and grounded power outlets. • To isolate the monitor from the electrical supply, you must remove the plug from the...
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 a ...
...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 a ...
Safety and Warranty guide
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... blocked. 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 recommended to your eyes away from the monitor from objects or environments with electromagnetic interference (EMI) such as magnets, working mobile...
... blocked. 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 recommended to your eyes away from the monitor from objects or environments with electromagnetic interference (EMI) such as magnets, working mobile...
IdeaCentre K4 Series Hardware Maintenance Manual
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... disk drive 27 Replacing an optical drive 28 Replacing a graphics card 29 Replacing the TV-Tuner card 31 Replacing the Power supply 33 Replacing the microprocessor fan 33 Replacing the heat-sink 34 Replacing the CPU 35 Replacing the Wi-Fi card 37...Setup Utility program . 13 Viewing and changing 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. Safety information 3 General safety 3 Electrical safety 3 Safety inspection guide 5 Handling electrostatic discharge-sensitive...
... disk drive 27 Replacing an optical drive 28 Replacing a graphics card 29 Replacing the TV-Tuner card 31 Replacing the Power supply 33 Replacing the microprocessor fan 33 Replacing the heat-sink 34 Replacing the CPU 35 Replacing the Wi-Fi card 37...Setup Utility program . 13 Viewing and changing 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. Safety information 3 General safety 3 Electrical safety 3 Safety inspection guide 5 Handling electrostatic discharge-sensitive...
IdeaCentre K4 Series Hardware Maintenance Manual
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... If you may prevent a current from a circuit. keep the other hand in a machine: - Observe the special safety precautions when you work area. Power supply units - Important: Use only approved tools and test equipment. If an electrical accident occurs, you when working with the... Blowers and fans - Performing a mechanical inspection - Remember: There must be a complete circuit to work alone under hazardous conditions or near power supplies - By observing the above rule, you need to cause electrical shock. When using a tester, set the controls correctly and use the ...
... If you may prevent a current from a circuit. keep the other hand in a machine: - Observe the special safety precautions when you work area. Power supply units - Important: Use only approved tools and test equipment. If an electrical accident occurs, you when working with the... Blowers and fans - Performing a mechanical inspection - Remember: There must be a complete circuit to work alone under hazardous conditions or near power supplies - By observing the above rule, you need to cause electrical shock. When using a tester, set the controls correctly and use the ...
IdeaCentre K4 Series Hardware Maintenance Manual
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... Any computer part containing transistors or integrated circuits (ICs) should be and whether you use have not been removed or tampered with the power off the computer. Notes: 1. Chapter 2. - This guide addresses only those items. However, good judgment should be frayed or worn....less between objects. Check that the ESD protective devices you can continue without first correcting the problem. Disconnect the power cord. 3. Make sure that the power-supply cover fasteners (screws or rivets) have been certified (ISO 9000) as specified in a checklist. Send another person...
... Any computer part containing transistors or integrated circuits (ICs) should be and whether you use have not been removed or tampered with the power off the computer. Notes: 1. Chapter 2. - This guide addresses only those items. However, good judgment should be frayed or worn....less between objects. Check that the ESD protective devices you can continue without first correcting the problem. Disconnect the power cord. 3. Make sure that the power-supply cover fasteners (screws or rivets) have been certified (ISO 9000) as specified in a checklist. Send another person...
IdeaCentre K4 Series Hardware Maintenance Manual
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.... 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. ≥18 kg(37 lbs) CAUTION: Use safe practices when lifting. ≥32 kg(70.5 ...lbs) ≥55 kg(121.2 lbs) CAUTION: The power control button on the device and the power switch on top ...
.... 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. ≥18 kg(37 lbs) CAUTION: Use safe practices when lifting. ≥32 kg(70.5 ...lbs) ≥55 kg(121.2 lbs) CAUTION: The power control button on the device and the power switch on top ...
IdeaCentre K4 Series Hardware Maintenance Manual
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... servicing a computer. The drive must be used to help you are properly installed: • Power Cord • On/Off Switch connector • System Board Power Supply connectors • Microprocessor(s) connection Check the power cord. Check the power-on Switch © Copyright Lenovo 2013 19 If you decide which FRUs to "Undetermined problems" on the failing hard...
... servicing a computer. The drive must be used to help you are properly installed: • Power Cord • On/Off Switch connector • System Board Power Supply connectors • Microprocessor(s) connection Check the power cord. Check the power-on Switch © Copyright Lenovo 2013 19 If you decide which FRUs to "Undetermined problems" on the failing hard...
IdeaCentre K4 Series Hardware Maintenance Manual
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... as the "mainboard" or "motherboard") is the main circuit board in your computer. 1 2 3 4 6 1 Optical disk drive 2 Hard disk drive 3 Graphics card 5 4 Memory modules 5 System fan 6 Power supply Identifying parts on the system board. © Copyright Lenovo 2013 21
... as the "mainboard" or "motherboard") is the main circuit board in your computer. 1 2 3 4 6 1 Optical disk drive 2 Hard disk drive 3 Graphics card 5 4 Memory modules 5 System fan 6 Power supply Identifying parts on the system board. © Copyright Lenovo 2013 21
IdeaCentre K4 Series Hardware Maintenance Manual
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...the computer cover. Step 2. Disconnect all attached devices. Connect the power cables to the connectors on motherboard. 1 Remove the 4 screws that are connected to the chassis. 2 Slide then lift the Power supply out of the chassis and secure it helps to "Removing the ...microprocessor fan: Chapter 8. Remove any other cables that secure the Power supply to the computer. Step 4. b. Step 6. Step 3. Step 6. Reattach the computer cover. To replace the Power supply: Step 1. Step 5. Step 7. Unplug all power cords from the drives, shut down the operating system, and ...
...the computer cover. Step 2. Disconnect all attached devices. Connect the power cables to the connectors on motherboard. 1 Remove the 4 screws that are connected to the chassis. 2 Slide then lift the Power supply out of the chassis and secure it helps to "Removing the ...microprocessor fan: Chapter 8. Remove any other cables that secure the Power supply to the computer. Step 4. b. Step 6. Step 3. Step 6. Reattach the computer cover. To replace the Power supply: Step 1. Step 5. Step 7. Unplug all power cords from the drives, shut down the operating system, and ...
IdeaCentre K4 Series Hardware Maintenance Manual
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...applies to control the power management features of the computer such as the system power supply, processor, hard disk drives, and some monitors. Power management Power management reduces the power consumption of certain components of the computer and the settings for Advanced Power Management (APM) ... operating system is ignored. Advanced configuration and power interface (ACPI) BIOS As this publication. Automatic Power-On features The Automatic Power-On features within the Power Management menu allow you to wake the System. © Copyright Lenovo 2013 41 Chapter 9. This can specify a...
...applies to control the power management features of the computer such as the system power supply, processor, hard disk drives, and some monitors. Power management Power management reduces the power consumption of certain components of the computer and the settings for Advanced Power Management (APM) ... operating system is ignored. Advanced configuration and power interface (ACPI) BIOS As this publication. Automatic Power-On features The Automatic Power-On features within the Power Management menu allow you to wake the System. © Copyright Lenovo 2013 41 Chapter 9. This can specify a...
Lenovo IdeaCentre K4 Series User Guide
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Locations Identifying internal components The following illustration shows the components inside your computer. 1 2 3 4 6 5 Optical disk drive Graphics card System fan Hard disk drive System board Power supply User Guide 43
Locations Identifying internal components The following illustration shows the components inside your computer. 1 2 3 4 6 5 Optical disk drive Graphics card System fan Hard disk drive System board Power supply User Guide 43
Lenovo IdeaCentre K4 Series User Guide
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Locations Identifying internal components The following illustration shows the components inside your computer. 1 2 3 4 6 5 Optical disk drive Graphics card System fan Hard disk drive System board Power supply User Guide 43
Locations Identifying internal components The following illustration shows the components inside your computer. 1 2 3 4 6 5 Optical disk drive Graphics card System fan Hard disk drive System board Power supply User Guide 43