Lenovo H415 Support Question
Lenovo H415 Support Question
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Question posted by blacamcor on September 1st, 2014
H415 Does Not Boot
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Current Answers
Answer #1: Posted by freginold on September 3rd, 2014 10:48 AM
freginold
Member since:
December 20th, 2011 Points: 23,253,885
Member since:
December 20th, 2011 Points: 23,253,885
Often when a computer won't turn on, it's because one of two components has failed: either the power supply unit or the motherboard (assuming you've ruled out the power coming in from the wall or surge protector as the problem).
Power supplies are generally not terribly expensive, compared to other components. If you're not getting any power at all, the power supply is a likely culprit. It's a much cheaper option to try than the motherboard. If you have a voltmeter or a power supply tester, you can check the power supply to verify that it's not supplying any power.
The motherboard is expensive to replace, so if you think the motherboard is the problem (if you've tried the power supply or ruled it out as the problem) it might be cheaper to get a new computer than have the motherboard repaired or replaced.
Power supplies are generally not terribly expensive, compared to other components. If you're not getting any power at all, the power supply is a likely culprit. It's a much cheaper option to try than the motherboard. If you have a voltmeter or a power supply tester, you can check the power supply to verify that it's not supplying any power.
The motherboard is expensive to replace, so if you think the motherboard is the problem (if you've tried the power supply or ruled it out as the problem) it might be cheaper to get a new computer than have the motherboard repaired or replaced.
Related Lenovo H415 Manual Pages
Lenovo IdeaCentre B3 Safety and Warranty Guide V4.1 - Page 6
... the instructions included with external power adapters.
Note: This information includes references to notebook computers, some products (such as speakers and monitors) ship with your desktop or notebook personal computer. In addition to power adapters and batteries. If you safely use your product, observe all computer products. The information in this...
Lenovo IdeaCentre B3 Safety and Warranty Guide V4.1 - Page 12
..., and heat sinks are left unused for safety, comfort, and reliable operation. Do not expose the battery to the system clock. Extended contact with your desktop computer for an extended period when the products are charging. coin cell battery to provide power to water or other flexible surface.
Batteries supplied by...
Lenovo IdeaCentre B3 Safety and Warranty Guide V4.1 - Page 13
... liquid is spilled on top of 10°C-35°C (50°F-95°F) before use non-desktop air filtration devices. Particles that fall into the computer should not exceed 35°C (95°F). &#...damage to use your computer is 10°C-35°C (50°F-95°F) with your desktop computer: • Keep the cover closed whenever the computer is stored or transported in the bezel....
Lenovo IdeaCentre B3 Safety and Warranty Guide V4.1 - Page 22
... 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˚C - 35˚C
Relative operation humidity...
Lenovo IdeaCentre B3 Safety and Warranty Guide V4.1 - Page 31
Warranty Information
Product or Machine Type
Desktop
Country or Region of Purchase
Austria Belgium Denmark Finland France Germany Israel Ireland Italy Netherlands Norway Spain Sweden Switzerland UK Lithuania Estonia Latvia Luxemburg Iceland ...
Lenovo IdeaCentre B3 Safety and Warranty Guide V4.1 - Page 33
Product or Machine Type
Desktop
Country or Region of Purchase
Kazakstan Turkmenistan Ukraine BosniaHerzegovina Bulgaria Croatia Cyprus Czech Republic Greece Hungary Macedonia Moldova Romania Serbia/Montenegro Slovakia Slovenia Bahrain Egypt ...
Lenovo IdeaCentre B3 Safety and Warranty Guide V4.1 - Page 34
Product or Machine Type
Desktop
Country or Region of Purchase
Saudi Arabia United Arab Emirates Poland Algeria Angola Kenya Morocco Nigeria South Africa Tunisia Uganda Turkey
Warranty Period
Parts and ...
Lenovo H4 Series Hardware Maintenance Manual V2.0 - Page 2
... RS760)....62
Power management 62
Appendix. Additional Service Information (Type G41)......61
Power management 61
Chapter 11. 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 hardware 41
Removing the computer cover 41...
Lenovo H4 Series Hardware Maintenance Manual V2.0 - Page 15
... can be overwritten if you are detected by an application program, the operating system, or both. Notes
• The default is for this computer to boot up in the computer you select an incorrect drive. See "Starting the Setup Utility program". 2. Select Start Options. 3. A down-level BIOS might have been rearranged...
Lenovo H4 Series Hardware Maintenance Manual V2.0 - Page 22
...Utility program" on the computer. Select the devices for the 1st Boot Device, the 2nd Boot Device, the 3rd
Boot Deviece and the 4th Boot Device. 5. Hardware Maintenance Manual
Selecting a startup device
If your... the startup device sequence
To view or permanently change the startup sequence. Select Primary Boot Sequence. 4. and then Save changes
and Exit.
Select StartUp. 3.
Select the ...
Lenovo H4 Series Hardware Maintenance Manual V2.0 - Page 28
...or permanently change the startup sequence. Select Primary Boot Sequence. 4. Select the devices for the 1st Boot Device, the 2nd Boot Device, the 3rd
Boot Deviece and the 4th Boot Device. 5. Press ESC to the default ...Note: If you have changed these settings and want to return to return the Primary Boot Sequence and then Save changes
and Exit. Select the desired startup device from the Startup...
Lenovo H4 Series Hardware Maintenance Manual V2.0 - Page 30
... error message first.
• If you did not receive any error message look for a description of this index, go to "Undetermined problems" on the
the boot drive. Error
FRU/Action
The start -up drive is listed first. No operating system installed on Install an operating system on page 27. If you...
Lenovo H4 Series Hardware Maintenance Manual V2.0 - Page 31
... drive must be formatted do the following procedures. Power Supply Problems
If you suspect a power problem, use the following : 1. Attempt to -FRU Index
Error The boot sector on the start-up the data on
the failing hard disk drive. 2. Using the operating systems
programs format the hard disk drive.
Check/Verify...
Lenovo H4 Series Hardware Maintenance Manual V2.0 - Page 33
... the operation of the system and some basic system-board operations • Checks the memory operation • Starts the video operation • Verifies that the boot drive is working
If the POST detects a problem, an error message appears on the screen. A single problem can cause several error messages to -FRU Index...
Lenovo H4 Series Hardware Maintenance Manual V2.0 - Page 35
... If all devices and adapters have bootable media. Make sure you find a suitable boot device. a.
Memory modules d. Hard disk drive h. External devices (modem, printer, or mouse...) b. Symptom-to-FRU Index
POST Error Message Reboot and Select proper Boot device or Insert Boot Media in selected Boot device
Description/Action The BIOS was unable to find the failing device or...
Lenovo H4 Series Hardware Replacement Guide V3.0 - Page 12
... of the computer. They show the location of connectors on your computer may not be identical but not all models. Please refer to these. 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...
Lenovo H4 Series Hardware Replacement Guide V3.0 - Page 17
... main circuit board 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...
Lenovo H4 Series User Guide V3.0 - Page 8
... in this 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...
Lenovo H4 Series User Guide V3.0 - Page 23
... Windows system, click Start → All Programs → Lenovo → Lenovo Rescue System. You can restore your computer and will guide you don't want to boot your system from the current system. The default password is blank. In case of the LAN.
2.3.3 Password Management
Password Management allows you to set a password...
Lenovo H4 Series User Guide V3.0 - Page 29
... the monitor. 3. if so, securely plug the power
cord to :
• Change the desktop background • Select a screen saver • Select colors and appearance options for the Windows ...Guide Troubleshooting and problem resolution: 1. if not, press the Power button. 2. Right-click the desktop anywhere except over an icon, then select Personalize
from the pop-up menu. 2. Problem: You...
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