Lenovo IdeaCentre B305 Support Question
Lenovo IdeaCentre B305 Support Question
Find answers below for this question about Lenovo IdeaCentre B305.Need a Lenovo IdeaCentre B305 manual? We have 6 online manuals for this item!
Question posted by udondave on September 27th, 2012
Lenovo B305 No Power/ Power Adapter Light Goes Out When Connected.
Hi
I am hoping someone can offer some advice/help with what I fear is a terminal/repair cost prohibitive problem which has started out of the blue this morning on my daughters IdeaCentre B305.
She came to turn it on this morning to print last nights school homework & no response from the machine at all.
I took a quick look at it before leaving for work & did the normal things, such as checking power cable was firmly attached/ checked the plugs fuse/tried another wall socket etc etc.
I have noticed the power adaptors green light is on when unplugged from the machine & goes out when I attach the power cable to the machine!
If I then then take the plug out of the machine the green light on the power adaptor remains unlit until I remove & reinsert the plug at the wall socket, if I then reinsert the plug into the machine the green light goes out on the power adaptor goes out once again!
After Googling the problem, I have read some posts with similar problems on other computer manufacturers websites/forums.
The diagnosis all seem to point to either something has short circuited the motherboard or a power adaptor failure, with the motherboard issue being the most common.!
I am really hoping some kind soul can give me some assistance & advice as just how to proceed in getting this resolved.
If indeed the Ideacentre is going to require a new motherboard! I have a feeling the cost & fitting of such a replacement may well be cost prohibitive & a new computer may be a better option! I really hope that is not the case as the whole family absolutely love the Lenovo!
Any advice or tips on how to proceed to resolve this problem would be very warmly welcomed.
I am not sure if it is relevant! But we are in the UK
Many Thanks in advance!
Dave
Current Answers
Related Lenovo IdeaCentre B305 Manual Pages
Lenovo Safety and Warranty Guide V1.0.0 - Page 4
Contents
Chapter 1
Important safety information 1
Conditions that require immediate action 1 General safety guidelines 3
Service and upgrades 3 Static electricity prevention 4 Power cords and power adapters 4 Voltage-selection switch 5 Extension cords and related devices 5 Plugs and outlets 6 External devices 6 Batteries 6 Heat and product ventilation 7 Operating environment 8 ...
Lenovo Safety and Warranty Guide V1.0.0 - Page 5
... Environment 17
Chapter 2
Lenovo Limited Warranty 21
What this Warranty Covers 21 How to Obtain Warranty Service 22 What Your Service Provider Will Do to Correct Problems 22 Replacement of a ...Types of Warranty Service 30
Chapter 3
Notices 33
Declaration 33 Electronic emissions notices 34 Power cord notice 37 Polyvinyl Chloride (PVC) cable and cord notice 38 China substance disclosure...
Lenovo Safety and Warranty Guide V1.0.0 - Page 6
...power adapters.
Our products are electronic devices. Power cords, power adapters, and other features can create potential safety risks that require immediate action
Products can help protect yourself from hazards and create a safer computer work environment.
In addition to "Lenovo Limited Warranty."
Conditions that can help... power adapters ..., if necessary, repaired by an authorized ...
Lenovo Safety and Warranty Guide V1.0.0 - Page 7
...repaired...and unplug it is not manufactured for or by Lenovo, stop using that product until you can contact ... or attempt to a battery (such as an extension cord) that is turned on the battery.
• A cracking, hissing, or popping sound,...fallen onto the computer product, the power cord, or power adapter.
• The computer product, power cord, or power adapter has been exposed to water.
&#...
Lenovo Safety and Warranty Guide V1.0.0 - Page 9
...touch the static-protective
package containing the part to build up around a power adapter or other circuit boards by the edges.
This reduces static electricity in ways...• When possible, remove the static-sensitive part from liquids. Power cords and power adapters
Use only the power cords and power adapters supplied by objects. This can cause a short circuit, particularly if...
Lenovo Safety and Warranty Guide V1.0.0 - Page 10
...power cord connectors are located. power cord or power adapter has been stressed by misuse.
Do not use are equipped with a voltage-selection switch located near the power-cord connection point on a power adapter... power supplies, and power strips that you set to handle the electrical requirements of power cord terminals and/or the connector terminals on the computer.
Lenovo H3 Series Safety and Warranty Guide - Page 4
Contents
Chapter 1
Important safety information 1
Conditions that require immediate action 1 General safety guidelines 3
Service and upgrades 3 Static electricity prevention 4 Power cords and power adapters 4 Voltage-selection switch 5 Extension cords and related devices 5 Plugs and outlets 6 External devices 6 Batteries 6 Heat and product ventilation 7 Operating environment 8 ...
Lenovo H3 Series Safety and Warranty Guide - Page 5
... Environment 17
Chapter 2
Lenovo Limited Warranty 21
What this Warranty Covers 21 How to Obtain Warranty Service 22 What Your Service Provider Will Do to Correct Problems 22 Replacement of a ...Types of Warranty Service 28
Chapter 3
Notices 31
Declaration 31 Electronic emissions notices 32 Power cord notice 36 Polyvinyl Chloride (PVC) cable and cord notice 38 China substance disclosure...
Lenovo H3 Series Safety and Warranty Guide - Page 6
... if necessary, repaired by an authorized servicer. However, personal computers are developed to all computer products. Note: This information includes references to "Lenovo Limited Warranty."...all information included with your desktop or notebook personal computer. To reduce these risks, follow the instructions included with external power adapters. By carefully following the information...
Lenovo H3 Series Safety and Warranty Guide - Page 7
...extension cord) that is turned on how to inspect ...product and unplug it repaired, if necessary. ...for or by Lenovo, stop using ...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...
Lenovo H3 Series Safety and Warranty Guide - Page 9
...mm2, or better.
When you unpack an option or CRU, do not leave your power cord or power adapter near sinks, tubs, toilets, or on the computer cover or other countries, the ... circuitry. • Prevent others from liquids. Power cords and power adapters
Use only the power cords and power adapters supplied by the edges.
Never wrap a power cord around
you to install it shall be walked...
Lenovo H3 Series Safety and Warranty Guide - Page 10
... have a voltage-selection switch, do not connect the
computer to an electrical outlet until you have verified that the voltage provided is the same as it was in overheating. If you are not sure of power cord terminals and/or the connector terminals on the power adapter. power cord or power adapter has been stressed by misuse. Liquids also...
Lenovo IdeaCentre B3 Series Hardware Replacement Guide - Page 3
... the computer stand 11 Removing the computer cover 13 Replacing the hard disk drive 14 Replacing the keyboard 16 Replacing the mouse 17 Replacing the power cord or power adapter 18
Appendix 19
31043502_B3_HRG_EN_V1.0.indd 2
2010.4.14 4:13:22 PM
Lenovo IdeaCentre B3 Series Hardware Replacement Guide - Page 4
...Lenovo®. This guide does not include procedures for all parts.
This guide contains procedures for replacing the following parts: • Memory modules • Hard disk drive • Optical drive • Keyboard, Mouse (wired) • Power cord, Power adapter
Safety information for replacing CRUs
Do not open your computer or attempt any repair...at http://consumersupport.lenovo.com. It ...
Lenovo IdeaCentre B3 Series Hardware Replacement Guide - Page 21
Refer to the Support Web site at http://consumersupport.lenovo.com. Locate the connector for the computer. Replacing the power cord or power adapter
Attention: Do not remove the computer cover or attempt any media (diskettes, CDs, or memory cards) from the computer and connect the new power cord and adapter to the same connector.
18 Hardware Replacement...
Lenovo IdeaCentre B3 Series User Guide V1.0 - Page 45
... troubleshoot your Lenovo® computer to the Windows Classic view.
6.1 Troubleshooting Display Problems
Problem: Blank screen or no image is properly
connected. • If an error message appears on the screen, write down the exact message. Check for devices located less than one meter from the pop-up menu. 2. Right-click the desktop anywhere except...
Lenovo IdeaCentre B305 Hardware Maintenance Manual V2.1 - Page 2
Additional Service Information 60
Power management 60
Appendix. Locations 25
Locating components and connectors 25
Chapter 8. Replacing hardware 29
General ... the LED panel 54 Replacing the keyboard 57 Replacing the mouse 58 Replacing the power cord or power adapter 59
Chapter 9. Statement 61
ii Hardware Maintenance Manual
Power Supply Problems 22 POST error codes 22 Undetermined...
Lenovo IdeaCentre B305 Hardware Maintenance Manual V2.1 - Page 15
... and follow the instructions: • If the computer displays a POST error, go to help determine the cause of the system board. Look at the following procedure to "POST error ...errors and unnecessary replacement of the problem: 1. Set all external devices. 2.
For an explanation of BIOS is displayed, continue at step 7.
13
Power-on the system. Power-on the computer.
• ...
Lenovo IdeaCentre B305 Hardware Maintenance Manual V2.1 - Page 24
Power Supply Problems
If you suspect a power problem, use the following operations.
• Checks some basic system-board operations • Checks the memory operation • Starts the video operation • Verifies that check the operation of tests is working
If the POST detects a problem, an error message appears on the screen.
When you turn on the system.
22...
Lenovo IdeaCentre B305 Hardware Maintenance Manual V2.1 - Page 61
.... Refer to the same connector.
59 Replacing hardware
Replacing the power cord or power adapter
Attention
Do not remove the computer cover or attempt any media (diskettes, CDs, or memory cards) from the computer and connect the new power cord and adapter to "Rear view".
3. Remove any repair before reading the "Important safety information" in the Safety...
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