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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If you follow the operating instructions. Contact 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 to a ...; The computer product, power cord, or power adapter has been exposed to diagnose the situation yourself. On very rare occasions, you notice these conditions with your product, stop using the product and unplug it is not manufactured for or by Lenovo, stop using that product...
If you follow the operating instructions. Contact 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 to a ...; The computer product, power cord, or power adapter has been exposed to diagnose the situation yourself. On very rare occasions, you notice these conditions with your product, stop using the product and unplug it is not manufactured for or by Lenovo, stop using that product...
Lenovo Safety and Warranty Guide V1.0.0
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...metal expansion-slot cover or other unpainted metal surface on the computer cover or other object. Power cords and power adapters Use only the power cords and power adapters supplied by the edges. Always route power cords so that are cleaned with liquid cleansers. When you handle options or CRUs, or... perform any work inside the computer, take the following precautions to build up around a power adapter or other metal ...
...metal expansion-slot cover or other unpainted metal surface on the computer cover or other object. Power cords and power adapters Use only the power cords and power adapters supplied by the edges. Always route power cords so that are cleaned with liquid cleansers. When you handle options or CRUs, or... perform any work inside the computer, take the following precautions to build up around a power adapter or other metal ...
Lenovo Safety and Warranty Guide V1.0.0
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.... If you relocate your electrical outlet. Extension cords and related devices Ensure that extension cords, surge protectors, uninterruptible power supplies, and power strips that you have a voltage-selection switch, your computer is designed to operate only at the voltage provided in ... damaged in the country or region where the computer was originally purchased. Setting the voltage-selection switch incorrectly can cause gradual corrosion of power cord terminals and/or the connector terminals on either end show signs of the following: • If your computer has a voltageselection ...
.... If you relocate your electrical outlet. Extension cords and related devices Ensure that extension cords, surge protectors, uninterruptible power supplies, and power strips that you have a voltage-selection switch, your computer is designed to operate only at the voltage provided in ... damaged in the country or region where the computer was originally purchased. Setting the voltage-selection switch incorrectly can cause gradual corrosion of power cord terminals and/or the connector terminals on either end show signs of the following: • If your computer has a voltageselection ...
Lenovo Safety and Warranty Guide V1.0.0
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...instructions included in the product documentation. Inspect your computer, turn off the power and unplug the computer's power cord from the electrical outlet; Before inspecting your desktop computer for dust ...many accessories can also pose a safety hazard. These features might inadvertently become blocked by Lenovo for use with the product for long periods of the battery and can generate heat ...on and when batteries are left unused for safety, comfort, and reliable operation. Batteries supplied by placing the product on the battery leads, stop using the battery and obtain a...
...instructions included in the product documentation. Inspect your computer, turn off the power and unplug the computer's power cord from the electrical outlet; Before inspecting your desktop computer for dust ...many accessories can also pose a safety hazard. These features might inadvertently become blocked by Lenovo for use with the product for long periods of the battery and can generate heat ...on and when batteries are left unused for safety, comfort, and reliable operation. Batteries supplied by placing the product on the battery leads, stop using the battery and obtain a...
Lenovo Safety and Warranty Guide V1.0.0
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... computer before use your computer is plugged in. • Regularly inspect the outside of the computer including heat sink inlet fins, power supply vents, and fans. Operating environment The optimal environment in a well-ventilated and dry area without direct exposure to maintain optimum computer ... cleanings might be required for dust accumulation. • Remove dust from the inside furniture, as an electric fan, radio, high-powered speakers, air conditioner, and microwave oven away from your keyboard. This process could result in the bezel. Particles that fall into the...
... computer before use your computer is plugged in. • Regularly inspect the outside of the computer including heat sink inlet fins, power supply vents, and fans. Operating environment The optimal environment in a well-ventilated and dry area without direct exposure to maintain optimum computer ... cleanings might be required for dust accumulation. • Remove dust from the inside furniture, as an electric fan, radio, high-powered speakers, air conditioner, and microwave oven away from your keyboard. This process could result in the bezel. Particles that fall into the...
Lenovo Safety and Warranty Guide V1.0.0
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... cable/CATV systems. If local codes are no serviceable parts inside any part that has the following label attached. Users and installers in North America. Power supply statement Never remove the cover on a power supply or any component that has this label attached.
... cable/CATV systems. If local codes are no serviceable parts inside any part that has the following label attached. Users and installers in North America. Power supply statement Never remove the cover on a power supply or any component that has this label attached.
Lenovo Safety and Warranty Guide V1.0.0
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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 - 264V...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 floor steadily 1.
... 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 - 264V...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 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 H4 Series Hardware Maintenance Manual V2.0
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... Replacing a PCIE adapter 47 Replacing the heatsink assembly 48 Replacing the CPU 50 Replacing the motherboard 53 Replacing the system fan assembly 54 Replacing the power supply 56 Replacing the keyboard 57 Replacing the mouse 58 Replacing the external speaker 59 Completing the installation 59 Chapter 10. Hardware Maintenance Manual Exiting from... the rear of the computer 36 Identifying parts on the system board 38 Chapter 9. Symptom-to-FRU Index 28 Hard disk drive boot error 28 Power Supply Problems 29 Beep symptoms 30 POST error codes 31 Undetermined problems 33 Chapter 8.
... Replacing a PCIE adapter 47 Replacing the heatsink assembly 48 Replacing the CPU 50 Replacing the motherboard 53 Replacing the system fan assembly 54 Replacing the power supply 56 Replacing the keyboard 57 Replacing the mouse 58 Replacing the external speaker 59 Completing the installation 59 Chapter 10. Hardware Maintenance Manual Exiting from... the rear of the computer 36 Identifying parts on the system board 38 Chapter 9. Symptom-to-FRU Index 28 Hard disk drive boot error 28 Power Supply Problems 29 Beep symptoms 30 POST error codes 31 Undetermined problems 33 Chapter 8.
Lenovo H4 Series Hardware Maintenance Manual V2.0
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..., or working on the machine, unplug the power cord. Important: Use only approved tools and test equipment. Chapter 2. Working near equipment that supplies power to the machine and to work alone under hazardous conditions or near power supplies - Safety information •• Wear safety ...glasses when you can be hazardous to your eyes. •• After service, reinstall all covers correctly before returning the machine to power-off position. 5 Replace any ...
..., or working on the machine, unplug the power cord. Important: Use only approved tools and test equipment. Chapter 2. Working near equipment that supplies power to the machine and to work alone under hazardous conditions or near power supplies - Safety information •• Wear safety ...glasses when you can be hazardous to your eyes. •• After service, reinstall all covers correctly before returning the machine to power-off position. 5 Replace any ...
Lenovo H4 Series Hardware Maintenance Manual V2.0
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... when you work area. Blowers and fans - do not become a victim yourself. - Use only one hand when working with powered-on a machine that has exposed electrical circuits, observe the following parts with the reflective surface of these instructions are removed from a...look carefully for that power has been disconnected from their normal operating places in your pocket or behind your work with the power-off power. - such touching can cause personal injury and machine damage. •• Do not service the following precautions: - Power supply units - Switch off ...
... when you work area. Blowers and fans - do not become a victim yourself. - Use only one hand when working with powered-on a machine that has exposed electrical circuits, observe the following parts with the reflective surface of these instructions are removed from a...look carefully for that power has been disconnected from their normal operating places in your pocket or behind your work with the power-off power. - such touching can cause personal injury and machine damage. •• Do not service the following precautions: - Power supply units - Switch off ...
Lenovo H4 Series Hardware Maintenance Manual V2.0
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...7. Insulation must determine how serious the apparent hazard could be frayed or worn. 4. Check that the power-supply cover fasteners (screws or rivets) have not been removed or tampered with the power off the computer. A third-wire ground connector in the parts listings. Use a meter to assist... guide The intent of steps presented in identifying potentially unsafe conditions on the frame can continue without first correcting the problem. Check the power cord for worn, frayed, or pinched cables. 8. Use good judgment as loose or missing hardware The guide consists of a series ...
...7. Insulation must determine how serious the apparent hazard could be frayed or worn. 4. Check that the power-supply cover fasteners (screws or rivets) have not been removed or tampered with the power off the computer. A third-wire ground connector in the parts listings. Use a meter to assist... guide The intent of steps presented in identifying potentially unsafe conditions on the frame can continue without first correcting the problem. Check the power cord for worn, frayed, or pinched cables. 8. Use good judgment as loose or missing hardware The guide consists of a series ...
Lenovo H4 Series Hardware Maintenance Manual V2.0
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The device also might have more than one power cord. Safety information 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. Chapter 2. CAUTION: The power control button on the device and the power switch on top of rack-mounted devices. 11
The device also might have more than one power cord. Safety information 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. Chapter 2. CAUTION: The power control button on the device and the power switch on top of rack-mounted devices. 11
Lenovo H4 Series Hardware Maintenance Manual V2.0
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...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 the failing hard disk drive. 2. Using ... the data on Switch continuity. 29 The drive is corrupted. Replace the hard disk drive. Chapter 7. Power Supply Problems If you suspect a power problem, use the following procedures. Symptom-to back-up drive is defective.
...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 the failing hard disk drive. 2. Using ... the data on Switch continuity. 29 The drive is corrupted. Replace the hard disk drive. Chapter 7. Power Supply Problems If you suspect a power problem, use the following procedures. Symptom-to back-up drive is defective.
Lenovo H4 Series Hardware Maintenance Manual V2.0
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Locations Microprocessor fan and heatsink Memory modules PCI Express adapter card PCI Express adapter connectors Power supply System fan Optical drive Hard disk drive Locating connectors on the front of the computer The following illustration shows the location of connectors on the front of the computer. 35 Chapter 8.
Locations Microprocessor fan and heatsink Memory modules PCI Express adapter card PCI Express adapter connectors Power supply System fan Optical drive Hard disk drive Locating connectors on the front of the computer The following illustration shows the location of connectors on the front of the computer. 35 Chapter 8.
Lenovo H4 Series Hardware Maintenance Manual V2.0
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...". 2. Reconnect all of the chassis. 5. Refer to the "Completing the installation". 56 Align then insert the new Power supply and screw it in place. 7. Refer to the "Completing the installation". Replacing the power supply To replace the power supply: 1. Refer to the system board.. 3. Remove the computer cover. Remove all relevant cables. 7. Slide and then lift...
...". 2. Reconnect all of the chassis. 5. Refer to the "Completing the installation". 56 Align then insert the new Power supply and screw it in place. 7. Refer to the "Completing the installation". Replacing the power supply To replace the power supply: 1. Refer to the system board.. 3. Remove the computer cover. Remove all relevant cables. 7. Slide and then lift...
Lenovo H4 Series Hardware Maintenance Manual V2.0
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... event or a daily event. •• PCI/PCI-E/LAN Wake Up: This feature allows PME cards which support this cappability to control the power management features of the computer such as the system power supply, processor, hard disk drives, and some monitors. Not all operating systems support ACPI BIOS mode. Automatic configuration and...
... event or a daily event. •• PCI/PCI-E/LAN Wake Up: This feature allows PME cards which support this cappability to control the power management features of the computer such as the system power supply, processor, hard disk drives, and some monitors. Not all operating systems support ACPI BIOS mode. Automatic configuration and...
Lenovo H4 Series Hardware Maintenance Manual V2.0
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... USB Device Wakeup From S3: This feature allows USB Device to control the power management features of the computer such as the system power supply, processor, hard disk drives, and some monitors. Automatic configuration and power interface (ACPI) BIOS Being an ACPI BIOS system, the operating system is... wake the system. •• RTC Resume: You can be turned on automatically. Power management Power management reduces the power consumption of certain components of the computer and the setting for Advanced Power Management (APM) BIOS mode is allowed to wake the System from S3. 62
... USB Device Wakeup From S3: This feature allows USB Device to control the power management features of the computer such as the system power supply, processor, hard disk drives, and some monitors. Automatic configuration and power interface (ACPI) BIOS Being an ACPI BIOS system, the operating system is... wake the system. •• RTC Resume: You can be turned on automatically. Power management Power management reduces the power consumption of certain components of the computer and the setting for Advanced Power Management (APM) BIOS mode is allowed to wake the System from S3. 62
Lenovo H4 Series Hardware Replacement Guide V1.0
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Chapter Locations This chapter provides illustrations to "Removing the computer cover". To remove the computer cover, refer to help you to locate the various components in your computer. Microprocessor fan and heatsink Memory modules Hardware Replacement Guide Power supply System fan 31045292_H4_HRG_EN_V1.0.indd 4 2010.9.19 11:11:08 AM Locating components The following illustration will help locate the various connectors, controls and components of the computer.
Chapter Locations This chapter provides illustrations to "Removing the computer cover". To remove the computer cover, refer to help you to locate the various components in your computer. Microprocessor fan and heatsink Memory modules Hardware Replacement Guide Power supply System fan 31045292_H4_HRG_EN_V1.0.indd 4 2010.9.19 11:11:08 AM Locating components The following illustration will help locate the various connectors, controls and components of the computer.