Lenovo H415 Support Question
Lenovo H415 Support Question
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Question posted by scapMart on April 19th, 2014
Is It Difficult To Change Power Supply Lenovo H415
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Related Lenovo H415 Manual Pages
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...
Lenovo IdeaCentre B3 Safety and Warranty Guide V4.1 - Page 7
... the Customer Support Center for or by Lenovo, stop using that product until you can contact the product manufacturer 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.
•...
Lenovo IdeaCentre B3 Safety and Warranty Guide V4.1 - Page 10
... surge protectors, uninterruptible power supplies, and power strips that you use are rated to handle the electrical requirements of power cord terminals and/or the connector terminals on the power adapter.
If you ... or shows signs of the voltage provided at the ac input or anywhere on a power adapter, which can eventually result in the country or region where the computer was originally...
Lenovo IdeaCentre B3 Safety and Warranty Guide V4.1 - Page 13
...into the computer should not exceed 35°C (95°F). • Do not use non-desktop air filtration devices. If you must operate your computer in the computer or an attached device, ...keyboard can damage the monitor and data on top of the computer including heat sink inlet fins, power supply vents, and fans.
This process could result in the bezel. Keep electrical appliances such as ...
Lenovo IdeaCentre B3 Safety and Warranty Guide V4.1 - Page 17
... appliances that connect to external antennas and cable/CATV systems. If local codes are intended to be connected to the grounding system of these components. Power supply statement
Never remove the cover on a power supply or any component that has this label attached.
Lenovo IdeaCentre B3 Safety and Warranty Guide V4.1 - Page 22
... with fine grounded cable 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, 50Hz ± 1Hz (With Voltage-selection Switch )
Operating temperature
10˚...
Lenovo IdeaCentre B3 Safety and Warranty Guide V4.1 - Page 24
... 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
... 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. Symptom-to-FRU Index 28...
Lenovo H4 Series Hardware Maintenance Manual V2.0 - Page 7
...supplies power to the machine and to protect yourself from power, telephone, and communication cables can then operate the switch or unplug the power cord quickly.
•• Do not work on electrical equipment.
Some hand tools have , near power supplies...mats that is worn or defective.
•• Reinstall all power before: - Chapter 2. If an electrical accident occurs, you ...
Lenovo H4 Series Hardware Maintenance Manual V2.0 - Page 8
... insulate you from their normal operating places in your work area. Power supply units - Motor generators and similar units. (This practice ensures correct grounding of maintenance information. First,
...to work on a machine that has exposed electrical circuits, observe the following parts with the power on when they are removed from grounds such as metal floor strips and machine frames. such...
Lenovo H4 Series Hardware Maintenance Manual V2.0 - Page 9
... built, had required safety items installed to measure third-wire ground continuity for damage (loose, broken, or sharp edges). 2.
Power-off , and the power cord disconnected. Use a meter to protect users and service personnel from injury.
Check that the power-supply cover fasteners (screws or rivets) have not been removed or tampered with the...
Lenovo H4 Series Hardware Maintenance Manual V2.0 - Page 13
...-mounted devices.
11
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...
Lenovo H4 Series Hardware Maintenance Manual V2.0 - Page 31
... problem, use 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 start-up the data on
the failing hard disk drive. 2. Using...
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.
Lenovo H4 Series Hardware Maintenance Manual V2.0 - Page 58
... until the fan assembly is in . 6. Connect the system fan assembly cable to the chassis.
4. Align then insert the new Power supply and screw it in place. 7. Replacing the power supply
To replace the power supply:
1. Remove the 4 screws that are connected to "Removing the computer cover". 2. Remove all relevant cables. 7. Reconnect all of the chassis...
Lenovo H4 Series Hardware Maintenance Manual V2.0 - Page 63
... is ignored. This can specify a date and time at which support this cappability to wake this feature set to control the power management features of the computer such as the system power supply, processor, hard disk drives, and some monitors. 10Chapter 10. Not all operating systems support ACPI BIOS mode. Automatic configuration and...
Lenovo H4 Series Hardware Maintenance Manual V2.0 - Page 64
... Device to wake the System from S3.
62
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 disk drives, and some monitors. Power management
Power management reduces the power consumption of certain components of the computer and the...
Lenovo H4 Series Hardware Replacement Guide V3.0 - Page 12
... not all models. The location of the connectors on the rear of connectors for some but should be placed in a vertical position. Lenovo H415
Voltage selection switch (Selected models only) Power connector On-board VGA connector (Selected models only) HDMI connector (Selected models only) USB connectors (4)
Hardware Replacement Guide 7 Note: This computer only...
Lenovo H4 Series Hardware Replacement Guide V3.0 - Page 17
... in your computer.
The following illustrations show the locations of devices that are factory-installed or that you can install later. Lenovo H415
Microprocessor and heatsink Microprocessor fan connector Memory connectors (2) Thermal sensor header connector Power connector SATA IDE connectors (3) Front panel connector 12 Hardware Replacement Guide Identifying parts on the system board.
Lenovo H4 Series User Guide V3.0 - Page 8
... chapter is different from your actual computer, the rear view configuration of your actual computer should be taken as final and binding.)
Lenovo H415
Voltage selection switch (Selected models only) Power connector On-board VGA connector (Selected models only) HDMI connector (Selected models only) USB connectors (4) Ethernet connector Microphone connector Audio line-out...
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