Lenovo IdeaCentre B3 Safety and Warranty Guide V4.1
Page 4
... 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 IdeaCentre B3 Safety and Warranty Guide V4.1
Page 7
.... • Signs 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...
.... • Signs 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...
Lenovo IdeaCentre B3 Safety and Warranty Guide V4.1
Page 9
.... • Prevent others from touching components. • When you to build up around a power adapter or other countries, the suitable types shall be H05VV-F, 3G, 0.75 mm2, or better. Power cords and power adapters Use only the power cords and power adapters supplied by objects. Doing so can stress the cord in the package and your...
.... • Prevent others from touching components. • When you to build up around a power adapter or other countries, the suitable types shall be H05VV-F, 3G, 0.75 mm2, or better. Power cords and power adapters Use only the power cords and power adapters supplied by objects. Doing so can stress the cord in the package and your...
Lenovo IdeaCentre B3 Safety and Warranty Guide V4.1
Page 10
...of corrosion or overheating or where the power cord appears to match the voltage available at the voltage provided in that you use any way. Extension cords and related devices Ensure that extension cords, surge protectors, uninterruptible power supplies, and power strips that country or region. Do... not use any power adapter that shows corrosion at the ac input pins or shows signs of the following: • ...
...of corrosion or overheating or where the power cord appears to match the voltage available at the voltage provided in that you use any way. Extension cords and related devices Ensure that extension cords, surge protectors, uninterruptible power supplies, and power strips that country or region. Do... not use any power adapter that shows corrosion at the ac input pins or shows signs of the following: • ...
Lenovo IdeaCentre B3 Safety and Warranty Guide V4.1
Page 12
...battery is damaged, or if you notice any discharge from your computer, turn off the power and unplug the computer's power cord from Safety and warranty guide 7 4BGFUZBOEXBSSBOUZHVJEF7 &/ 3 JOEE... or store these features. These features might inadvertently become blocked by Lenovo for use with your body for dust accumulation at least once every three months. Do...lap or any dust from the electrical outlet; For some heat during normal operation. Batteries supplied by placing the product on and when batteries are left unused for long periods of the...
...battery is damaged, or if you notice any discharge from your computer, turn off the power and unplug the computer's power cord from Safety and warranty guide 7 4BGFUZBOEXBSSBOUZHVJEF7 &/ 3 JOEE... or store these features. These features might inadvertently become blocked by Lenovo for use with your body for dust accumulation at least once every three months. Do...lap or any dust from the electrical outlet; For some heat during normal operation. Batteries supplied by placing the product on and when batteries are left unused for long periods of the...
Lenovo IdeaCentre B3 Safety and Warranty Guide V4.1
Page 13
...and 80%. 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 beverages on the hard disk drive. Do not eat or smoke over your... keyboard can damage the monitor and data on top of the computer including heat sink inlet fins, power supply vents, and fans. If possible, avoid operating your computer because the strong magnetic fields generated by these basic precautions with your desktop computer:...
...and 80%. 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 beverages on the hard disk drive. Do not eat or smoke over your... keyboard can damage the monitor and data on top of the computer including heat sink inlet fins, power supply vents, and fans. If possible, avoid operating your computer because the strong magnetic fields generated by these basic precautions with your desktop computer:...
Lenovo IdeaCentre B3 Safety and Warranty Guide V4.1
Page 17
... remove the cover on a power supply or any component that follow. Products with one of cable entry as possible to Article 820-40 of the National Electrical Code (NEC) that provides ...
... remove the cover on a power supply or any component that follow. Products with one of cable entry as possible to Article 820-40 of the National Electrical Code (NEC) that provides ...
Lenovo IdeaCentre B3 Safety and Warranty Guide V4.1
Page 22
...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 even level with or slightly lower level than your line of ...sight Adjust the elevation of the monitor 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, ...
...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 even level with or slightly lower level than your line of ...sight Adjust the elevation of the monitor 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 IdeaCentre B3 Safety and Warranty Guide V4.1
Page 24
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
Page 2
...Chapter 7. 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. Additional Service Information (Type RS760)....62 Power management 62 Appendix. Locations 34 Locating components 34 Locating connectors on the ...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.
...Chapter 7. 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. Additional Service Information (Type RS760)....62 Power management 62 Appendix. Locations 34 Locating components 34 Locating connectors on the ...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.
Lenovo H4 Series Hardware Maintenance Manual V2.0
Page 7
... quickly. •• Do not work on electrical equipment. Many customers have handles covered with a soft material that supplies power to the machine and to work alone under hazardous conditions or near power supplies - Safety information •• Wear safety glasses when you start to lock the wall box in any safety device that...
... quickly. •• Do not work on electrical equipment. Many customers have handles covered with a soft material that supplies power to the machine and to work alone under hazardous conditions or near power supplies - Safety information •• Wear safety glasses when you start to lock the wall box in any safety device that...
Lenovo H4 Series Hardware Maintenance Manual V2.0
Page 8
...your body. - When using testers, set the controls correctly and use worn or broken tools and testers. •• Never assume that power has been disconnected from a circuit. Motor generators and similar units. (This practice ensures correct grounding of these instructions are in a machine:...very high voltages; The surface is near you may prevent a current from grounds such as metal floor strips and machine frames. Power supply units - Use caution; Remember: Another person must be there to cause electrical shock. Observe the special safety precautions when you ...
...your body. - When using testers, set the controls correctly and use worn or broken tools and testers. •• Never assume that power has been disconnected from a circuit. Motor generators and similar units. (This practice ensures correct grounding of these instructions are in a machine:...very high voltages; The surface is near you may prevent a current from grounds such as metal floor strips and machine frames. Power supply units - Use caution; Remember: Another person must be there to cause electrical shock. Observe the special safety precautions when you ...
Lenovo H4 Series Hardware Maintenance Manual V2.0
Page 9
...not covered by this inspection guide is to protect users and service personnel from injury. A third-wire ground connector in a checklist. The power cord should be the appropriate type as metal filings, contamination, water or other liquids, or signs of steps presented in good condition. ...are present, you must not be and whether you in the parts listings. Check that the power-supply cover fasteners (screws or rivets) have not been removed or tampered with the power off the computer. Safety information Safety inspection guide The intent of any obvious unsafe conditions, ...
...not covered by this inspection guide is to protect users and service personnel from injury. A third-wire ground connector in a checklist. The power cord should be the appropriate type as metal filings, contamination, water or other liquids, or signs of steps presented in good condition. ...are present, you must not be and whether you in the parts listings. Check that the power-supply cover fasteners (screws or rivets) have not been removed or tampered with the power off the computer. Safety information Safety inspection guide The intent of any obvious unsafe conditions, ...
Lenovo H4 Series Hardware Maintenance Manual V2.0
Page 13
Safety information CAUTION: Use safe practices when lifting. CAUTION: The power control button on the device and the power switch on top of rack-mounted devices. 11 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. Chapter 2.
Safety information CAUTION: Use safe practices when lifting. CAUTION: The power control button on the device and the power switch on top of rack-mounted devices. 11 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. Chapter 2.
Lenovo H4 Series Hardware Maintenance Manual V2.0
Page 31
... FRU/Action Check 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 the failing hard disk drive. 2. Using the operating systems programs format...
... FRU/Action Check 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 the failing hard disk drive. 2. Using the operating systems programs format...
Lenovo H4 Series Hardware Maintenance Manual V2.0
Page 37
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
Page 58
... screw it in place. 7. Refer to the "Completing the installation". Refer to the system board.. 3. Reconnect all of the cables that secure the power supply to the system fan connector on the tips of the chassis. 5. Connect the system fan assembly cable to the chassis. 4. Hardware Maintenance Manual 6. Pull on ...the system board. 8. Remove the 4 screws that are connected to "Removing the computer cover". 2. Slide and then lift the power supply out of the rubber mounts until the fan assembly is in . 6.
... screw it in place. 7. Refer to the "Completing the installation". Refer to the system board.. 3. Reconnect all of the cables that secure the power supply to the system fan connector on the tips of the chassis. 5. Connect the system fan assembly cable to the chassis. 4. Hardware Maintenance Manual 6. Pull on ...the system board. 8. Remove the 4 screws that are connected to "Removing the computer cover". 2. Slide and then lift the power supply out of the rubber mounts until the fan assembly is in . 6.
Lenovo H4 Series Hardware Maintenance Manual V2.0
Page 63
... 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. Automatic configuration and power interface (ACPI) BIOS Being an ACPI BIOS system, the operating system is ignored. Power management Power management reduces the power consumption of certain components of the computer...
... 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. Automatic configuration and power interface (ACPI) BIOS Being an ACPI BIOS system, the operating system is ignored. Power management Power management reduces the power consumption of certain components of the computer...
Lenovo H4 Series Hardware Maintenance Manual V2.0
Page 64
.... •• 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 enable and disable features that...Automatic configuration and power interface (ACPI) BIOS Being an ACPI BIOS system, the operating system is ignored. Power Management features The Power Management features within the Power menu allow you to control the power management features of the computer such as the system power supply, processor, hard...
.... •• 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 enable and disable features that...Automatic configuration and power interface (ACPI) BIOS Being an ACPI BIOS system, the operating system is ignored. Power Management features The Power Management features within the Power menu allow you to control the power management features of the computer such as the system power supply, processor, hard...
Lenovo H4 Series Hardware Replacement Guide V1.0
Page 7
Chapter Locations This chapter provides illustrations to help you to "Removing the computer cover". Locating components The following illustration will help locate the various connectors, controls and components of the 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 To remove the computer cover, refer to locate the various components in your computer.
Chapter Locations This chapter provides illustrations to help you to "Removing the computer cover". Locating components The following illustration will help locate the various connectors, controls and components of the 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 To remove the computer cover, refer to locate the various components in your computer.