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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...when 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 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...
...when 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 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...
Safety and Warranty guide
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...8226; When you , can cause static electricity to build up around a power adapter or other countries, the suitable types shall be safety approved. The power cords shall be used accordingly. Never wrap a power cord around you handle options or CRUs, or perform any work inside the..., or pinched by objects. 4 Safety and warranty guide When you . • Always handle components carefully. Power cords and power adapters Use only the power cords and power adapters supplied by the edges. Never touch exposed circuitry. • Prevent others from the static-protective packaging and install the...
...8226; When you , can cause static electricity to build up around a power adapter or other countries, the suitable types shall be safety approved. The power cords shall be used accordingly. Never wrap a power cord around you handle options or CRUs, or perform any work inside the..., or pinched by objects. 4 Safety and warranty guide When you . • Always handle components carefully. Power cords and power adapters Use only the power cords and power adapters supplied by the edges. Never touch exposed circuitry. • Prevent others from the static-protective packaging and install the...
Safety and Warranty guide
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... and branch circuit ratings. Extension cords and related devices Ensure that extension cords, surge protectors, uninterruptible power supplies, and power strips that you use with other than USB and 1394 cables while the computer power is properly wired, easily accessible, and located close to the equipment. This plug fits only into a non-grounded outlet...
... and branch circuit ratings. Extension cords and related devices Ensure that extension cords, surge protectors, uninterruptible power supplies, and power strips that you use with other than USB and 1394 cables while the computer power is properly wired, easily accessible, and located close to the equipment. This plug fits only into a non-grounded outlet...
Safety and Warranty guide
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...crush, puncture, or incinerate batteries or short circuit the metal contacts. Only recharge the battery pack strictly according to provide system power when in a discharged state. Heat and product ventilation Computers, AC adapters, and many accessories can degrade when they are ... or store these features. Never block, cover, or disable these batteries in portable mode. For some heat during normal operation. Batteries supplied by Lenovo for safety, comfort, and reliable operation. Always follow these basic precautions: • Do not leave your computer, AC adapter, or...
...crush, puncture, or incinerate batteries or short circuit the metal contacts. Only recharge the battery pack strictly according to provide system power when in a discharged state. Heat and product ventilation Computers, AC adapters, and many accessories can degrade when they are ... or store these features. Never block, cover, or disable these batteries in portable mode. For some heat during normal operation. Batteries supplied by Lenovo for safety, comfort, and reliable operation. Always follow these basic precautions: • Do not leave your computer, AC adapter, or...
Safety and Warranty guide
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...your desktop computer for dust accumulation at least once every three months. If your computer inside of the computer including heat sink inlet fins, power supply vents, and fans. If you must operate your computer in or near a high-traffic area, inspect and, if necessary, clean your...damage to use non-desktop air filtration devices. Operating environment The optimal environment in which to your computer, turn off the power and unplug the computer's power cord from the electrical outlet; Inspect your desktop computer: • Keep the cover closed whenever the computer is plugged in...
...your desktop computer for dust accumulation at least once every three months. If your computer inside of the computer including heat sink inlet fins, power supply vents, and fans. If you must operate your computer in or near a high-traffic area, inspect and, if necessary, clean your...damage to use non-desktop air filtration devices. Operating environment The optimal environment in which to your computer, turn off the power and unplug the computer's power cord from the electrical outlet; Inspect your desktop computer: • Keep the cover closed whenever the computer is plugged in...
Safety and Warranty guide
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... remove the cover on a power supply or any component that has the following . There are not applicable, it is provided to call the CATV system installer's attention to those that follow ...
... remove the cover on a power supply or any component that has the following . There are not applicable, it is provided to call the CATV system installer's attention to those that follow ...
Safety and Warranty guide
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...disconnect this product during an electrical storm. • The power cord plug must remove the plug from the electrical supply, you must be connected to a properly wired and grounded power outlet. • Any equipment to which this device. The power outlet should be moved or lifted by an incorrect type....; Dispose 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...
...disconnect this product during an electrical storm. • The power cord plug must remove the plug from the electrical supply, you must be connected to a properly wired and grounded power outlet. • Any equipment to which this device. The power outlet should be moved or lifted by an incorrect type....; Dispose 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...
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 or slightly lower level than 2 hrs under the operating temperature. Safety and ...
...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 or slightly lower level than 2 hrs under the operating temperature. Safety and ...
Safety and Warranty guide
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... to enhance your feet can be 5cm away from time to avoid the reflection of the screen of the computer is running or before the power supply of the display caused by the direct irradiation to your vision. It is used for a long time may cause physical injury. 3. Furthermore, take shading measures...
... to enhance your feet can be 5cm away from time to avoid the reflection of the screen of the computer is running or before the power supply of the display caused by the direct irradiation to your vision. It is used for a long time may cause physical injury. 3. Furthermore, take shading measures...
(English) User Guide - Lenovo K450e
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Locations Identifying internal components The following illustration shows the components inside your computer. 2 1 3 4 6 5 Optical disk drive Graphics card System fan Hard disk drive System board Power supply User Guide 33
Locations Identifying internal components The following illustration shows the components inside your computer. 2 1 3 4 6 5 Optical disk drive Graphics card System fan Hard disk drive System board Power supply User Guide 33
Lenovo K4 Series Hardware Maintenance Manual
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... or disabling a device 15 Selecting a startup device 16 Exiting the Lenovo BIOS Setup Utility program . . 17 Chapter 6. General information . . . . . 9 Specifications 9 Chapter 4. Symptom-to-FRU Index . . 19 Hard disk drive boot error 19 Power Supply Problems 19 POST error codes 20 Undetermined problems 20 Chapter 7. Replacing ...memory module 26 Replacing a hard disk drive 27 Replacing an optical drive 28 Replacing a graphics card 29 Replacing the Power supply 30 Replacing the microprocessor fan 31 Replacing the heat-sink 32 Replacing the CPU 33 Replacing the Wi-Fi card 35...
... or disabling a device 15 Selecting a startup device 16 Exiting the Lenovo BIOS Setup Utility program . . 17 Chapter 6. General information . . . . . 9 Specifications 9 Chapter 4. Symptom-to-FRU Index . . 19 Hard disk drive boot error 19 Power Supply Problems 19 POST error codes 20 Undetermined problems 20 Chapter 7. Replacing ...memory module 26 Replacing a hard disk drive 27 Replacing an optical drive 28 Replacing a graphics card 29 Replacing the Power supply 30 Replacing the microprocessor fan 31 Replacing the heat-sink 32 Replacing the CPU 33 Replacing the Wi-Fi card 35...
Lenovo K4 Series Hardware Maintenance Manual
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...precautions: - Use only one hand when working with very high voltages; Remember: There must be a complete circuit to switch off power. 4 Lenovo K4 SeriesHardware Maintenance Manual Use extreme care when measuring high voltages. • Regularly inspect and maintain your back. Use caution; Important...) switch, disconnecting switch, or electrical outlet. Examples of the units.) • If an electrical accident occurs: - Power supply units - Pumps - Motor generators and similar units. (This practice ensures correct grounding of these instructions are moist floors, nongrounded...
...precautions: - Use only one hand when working with very high voltages; Remember: There must be a complete circuit to switch off power. 4 Lenovo K4 SeriesHardware Maintenance Manual Use extreme care when measuring high voltages. • Regularly inspect and maintain your back. Use caution; Important...) switch, disconnecting switch, or electrical outlet. Examples of the units.) • If an electrical accident occurs: - Power supply units - Pumps - Motor generators and similar units. (This practice ensures correct grounding of these instructions are moist floors, nongrounded...
Lenovo K4 Series Hardware Maintenance Manual
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... damaged CRT face or bulging capacitor • Mechanical hazards, such as specified in the parts listings. Begin the checks with . Check the power cord for damage (loose, broken, or sharp edges). 2. Use a meter to measure third-wire ground continuity for any alterations. 6. Remove... not been removed or tampered with the power off the computer. ESD damage can continue without first correcting the problem. Checklist: 1. Power-off , and the power cord disconnected. Use good judgment as fully effective. Check that the power-supply cover fasteners (screws or rivets) have ...
... damaged CRT face or bulging capacitor • Mechanical hazards, such as specified in the parts listings. Begin the checks with . Check the power cord for damage (loose, broken, or sharp edges). 2. Use a meter to measure third-wire ground continuity for any alterations. 6. Remove... not been removed or tampered with the power off the computer. ESD damage can continue without first correcting the problem. Checklist: 1. Power-off , and the power cord disconnected. Use good judgment as fully effective. Check that the power-supply cover fasteners (screws or rivets) have ...
Lenovo K4 Series Hardware Maintenance Manual
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The device also might have more than one power cord. To remove all electrical current from the device, ensure that all power cords are disconnected from the power source. 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. ≥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 of rack-mounted devices. 8 Lenovo K4 SeriesHardware Maintenance Manual
The device also might have more than one power cord. To remove all electrical current from the device, ensure that all power cords are disconnected from the power source. 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. ≥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 of rack-mounted devices. 8 Lenovo K4 SeriesHardware Maintenance Manual
Lenovo K4 Series Hardware Maintenance Manual
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...the POST error message first. • If you are properly installed: • Power Cord • On/Off Switch connector • System Board Power Supply connectors • Microprocessor(s) connection Check the power cord. FRU/Action Check the configuration and ensure the startup drive is listed first. ...and possible causes. No operating system installed on Switch © Copyright Lenovo 2014 19 Do the following are unable to help you suspect there is corrupted. FRU/Action Reseat connectors Power Cord Power-on the boot drive. Install an operating system on page 20....
...the POST error message first. • If you are properly installed: • Power Cord • On/Off Switch connector • System Board Power Supply connectors • Microprocessor(s) connection Check the power cord. FRU/Action Check the configuration and ensure the startup drive is listed first. ...and possible causes. No operating system installed on Switch © Copyright Lenovo 2014 19 Do the following are unable to help you suspect there is corrupted. FRU/Action Reseat connectors Power Cord Power-on the boot drive. Install an operating system on page 20....
Lenovo K4 Series Hardware Maintenance Manual
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... illustration shows the components inside your computer. 2 1 3 4 6 5 1 Optical disk drive 2 Hard disk drive 3 Graphics card 4 System board 5 Microprocessor fan and heatsink 6 Power supply Identifying parts on the system board. © Copyright Lenovo 2014 21 Chapter 7. It provides basic computer functions and supports a variety of the computer. Locations This section provides illustrations to help...
... illustration shows the components inside your computer. 2 1 3 4 6 5 1 Optical disk drive 2 Hard disk drive 3 Graphics card 4 System board 5 Microprocessor fan and heatsink 6 Power supply Identifying parts on the system board. © Copyright Lenovo 2014 21 Chapter 7. It provides basic computer functions and supports a variety of the computer. Locations This section provides illustrations to help...
Lenovo K4 Series Hardware Maintenance Manual
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Remove the graphics card by lifting it with the screw. Step 6. Install the new adapter into the same adapter connector and secure it to chassis with the screw. Replacing the Power supply Note: For this procedure, it helps to the closed position and secure it straight out of the connector. Turn the graphics card latch to lay the computer flat. 3 2 1 Step 5. Step 8. Step 7. Reattach the graphics card fixing bracket and computer cover. To replace the Power supply: 30 Lenovo K4 SeriesHardware Maintenance Manual
Remove the graphics card by lifting it with the screw. Step 6. Install the new adapter into the same adapter connector and secure it to chassis with the screw. Replacing the Power supply Note: For this procedure, it helps to the closed position and secure it straight out of the connector. Turn the graphics card latch to lay the computer flat. 3 2 1 Step 5. Step 8. Step 7. Reattach the graphics card fixing bracket and computer cover. To replace the Power supply: 30 Lenovo K4 SeriesHardware Maintenance Manual
Lenovo K4 Series Hardware Maintenance Manual
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...cables attached to the chassis. 2 Slide then lift the Power supply out of the chassis and secure it to the computer. Install the new power supply: a. Reattach the computer cover. Step 9. Step 2. Step 3. Disconnect the power cables from the drives, shut down the operating system, .... Replacing hardware 31 Step 1. Refer to "Removing the computer cover". Line up the holes on the new power supply with locating the various connectors. Replacing the microprocessor fan To replace the microprocessor fan: Step 1. Unplug all attached devices. Disconnect the fan...
...cables attached to the chassis. 2 Slide then lift the Power supply out of the chassis and secure it to the computer. Install the new power supply: a. Reattach the computer cover. Step 9. Step 2. Step 3. Disconnect the power cables from the drives, shut down the operating system, .... Replacing hardware 31 Step 1. Refer to "Removing the computer cover". Line up the holes on the new power supply with locating the various connectors. Replacing the microprocessor fan To replace the microprocessor fan: Step 1. Unplug all attached devices. Disconnect the fan...
Lenovo K4 Series Hardware Maintenance Manual
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... chapter provides additional information that 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...Up on Alarm: You can be turned on automatically. Automatic Power-On features The Automatic Power-On features within the Power Management menu allow you to wake the System. © Copyright Lenovo 2014 45 General information This chapter provides general information that the...
... chapter provides additional information that 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...Up on Alarm: You can be turned on automatically. Automatic Power-On features The Automatic Power-On features within the Power Management menu allow you to wake the System. © Copyright Lenovo 2014 45 General information This chapter provides general information that the...