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Lenovo B460 Support Question

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Question posted by naresh1679 on January 19th, 2013

It Automatically Shut Down And Automatically Restart Again

i am using tn govt free laptop, it automatically shut down and automatically restart again what should i do plz help me 

Current Answers

Answer #1: Posted by tintinb on January 19th, 2013 3:52 PM
This answer was accepted by the poster of the original question.
tintinb

Member since:
October 26th, 2012

Points: 7,056,560
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There are several reason for your computer automatic shutdown or restart. These might be one of the following.

1. Malicious software

2. Loose connection from power cables

3. Overheating

4. Video card

5. Driver conflict

6. Moetherboard problem

To fix this problem, please watch a tutorial video link I have provided below.

If you have more questions, please don't hesitate to ask here at HelpOwl. Experts here are always willing to answer your questions to the best of our knowledge and expertise.

Regards,

Tintin

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Lenovo B460 Hardware Maintenance Manual V2.0 - Page 3

... Recovery 23 Restore of factory default 23 Using recovery discs 23 Passwords 24 Power-on password 24 Supervisor password 24 Power management 25 Screen blank mode 25 Sleep (standby) mode 25 Hibernation mode 26 Lenovo IdeaPad B460 27 Specifications 27 Status indicators 29 Fn key combinations 31 FRU replacement notices 32 Screw...
Lenovo B460 Hardware Maintenance Manual V2.0 - Page 4

... required for trained servicers who are familiar with Lenovo IdeaPad products. iv Important: This manual is divided into the following Lenovo IdeaPad product: Lenovo IdeaPad B460 Use this manual to troubleshoot problems effectively. Before servicing a Lenovo IdeaPad product, make sure to troubleshoot problems. The manual is intended only for servicing computers. •...
Lenovo B460 Hardware Maintenance Manual V2.0 - Page 6

... the customer. •• Fan louvers on the machine help to prevent the overheating of your eyes. •• After ...can stand safely without slipping. 2. Distribute the weight of the machine. Use a slow lifting force. Lift it . •• Insert the ...them away from the muscles in your feet. 3. IdeaPad B460 Hardware Maintenance Manual General safety Follow these rules below to ...
Lenovo B460 Hardware Maintenance Manual V2.0 - Page 10

... a certified electrician. 6 Protect against ESD damage is insulative and retains a charge even when you use of a grounded work mat to provide a static-free work mat, and the person handling the part are all at the same charge. IdeaPad B460 Hardware Maintenance Manual Handling devices that are sensitive to electrostatic discharge Any computer part...
Lenovo B460 Hardware Maintenance Manual V2.0 - Page 18

...pode resultar em perigosa exposição à radiação. IdeaPad B460 Hardware Maintenance Manual Laser compliance statement Some models of the International Electrotechnical Commission (IEC...Class 1 laser products. Elsewhere, the drive is installed, note the following: CAUTION Use of controls or adjustments or performance of procedures other optical storage device could result ...
Lenovo B460 Hardware Maintenance Manual V2.0 - Page 20

...BIOS and device drivers are posted on page 16 - IdeaPad B460 Hardware Maintenance Manual Important service information This chapter presents the following...16 Strategy for replacing a hard disk drive" on page 17 - Enter a serial number or select a product or use Lenovo smart downloading. 3. Select the BIOS/Driver/Applications and download. 4. To download software fixes, drivers, and BIOS, ...
Lenovo B460 Hardware Maintenance Manual V2.0 - Page 21

...have both a processor board and a system board. Note the current configuration settings (using the View Configuration option); Make sure that those components, and may cause a system... low-level format before performing this action. Running Automatic Configuration may alter the settings. Important service information Use the following strategy to prevent unnecessary expense for replacing ...
Lenovo B460 Hardware Maintenance Manual V2.0 - Page 22

...on the market after the RoHS implementation date, failed RoHS compliant parts must be used. If the original FRU parts are RoHS compliant, the replacement part must also... B460 Hardware Maintenance Manual Important information about replacing RoHS compliant FRUs RoHS, The Restriction of Hazardous Substances in Electrical and Electronic Equipment Directive (2002/95/EC) is automatically shipped...
Lenovo B460 Hardware Maintenance Manual V2.0 - Page 24

...B460 Hardware Maintenance Manual What to do first When you do return an FRU, you must include the following information in the parts exchange form or parts return form that the system was subjected to stress beyond normal use...If the spindle of a hard disk drive becomes noisy, it : 1. Date on laptop products The following are not covered under warranty and some common items that are not ...
Lenovo B460 Hardware Maintenance Manual V2.0 - Page 25

...8226;• Replace the system board. •• If the problem continues, go to "Lenovo IdeaPad B460" on , check the power cord of the AC adapter for the AC adapter pin No. 2 may ... the battery charges properly during operation, go to "Checking operational charging". Make sure that power is used. •• If the power-on indicator does not turn on the computer. See the following...
Lenovo B460 Hardware Maintenance Manual V2.0 - Page 27

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Lenovo B460 Hardware Maintenance Manual V2.0 - Page 28

...POP) protects the system from being powered on by an unauthorized person. IdeaPad B460 Hardware Maintenance Manual When you use the recovery discs to boot your computer, the system will enter the user... needed for any of these passwords has been set, a prompt for system recovery automatically. Note: The recovery process might take up to complete the whole recovery process. The computer ...
Lenovo B460 Hardware Maintenance Manual V2.0 - Page 30

... To cause the computer to go into hibernation mode automatically in either of the following actions as the event that...follow the steps below: •• If you are using the ACPI operating system and have defined one of the...system status is restored from hibernation mode and resumes operation. IdeaPad B460 Hardware Maintenance Manual Hibernation mode In hibernation mode, the following ...
Lenovo B460 Hardware Maintenance Manual V2.0 - Page 33

... shock could cause drive errors. White: System is in hibernate mode or shut down. 29 Lenovo IdeaPad B460 Status indicators The system status indicators below show the computer status: 12 4... characters (A-Z) in sleep mode. White: Caps Lock mode is enabled. Status indicators Indicator 1 Drive in -use 2 Scroll lock 3 Num lock 4 Caps lock 5 Power on Meaning White: Data is on, do not...
Lenovo B460 Hardware Maintenance Manual V2.0 - Page 36

...;• Torque driver If you have a torque screwdriver , refer to removing and replacing parts. If you use a screw that you have one . In the Lenovo IdeaPad computer, this section carefully before replacing any FRU. IdeaPad B460 Hardware Maintenance Manual FRU replacement notices This section presents notices related to the "Torque" column for...
Lenovo B460 User Guide V1.0 - Page 12

...Registering the operating system • Creating a user account 8 The battery is automatically charged while the computer is not fully charged at purchase. The configuration process may need...pack. Learning the basics First use „ Reading the manuals Read the supplied manuals before using your computer. „ Conncting to an electrical outlet. B460 User Guide V1.0_en.book ...
Lenovo B460 User Guide V1.0 - Page 13

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Lenovo B460 User Guide V1.0 - Page 15

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Lenovo B460 User Guide V1.0 - Page 33

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