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Question posted by sahir000033 on October 31st, 2012

Grub Editing In Lenova Laptops

how to edit a grub in the government laptops provided by the tn government .. can we able to edit .. if anyone knows the answer post the comment

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Related Lenovo B460 Manual Pages

Lenovo B460 Hardware Maintenance Manual V2.0 - Page 1

IdeaPad B460 Hardware Maintenance Manual

Lenovo B460 Hardware Maintenance Manual V2.0 - Page 2

First Edition (March 2010) © Copyright Lenovo 2010. LENOVO products, data, computer software, and services have been developed exclusively at private expense and are delivered pursuant a General ...

Lenovo B460 Hardware Maintenance Manual V2.0 - Page 3

... 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 notices 32 Removing and replacing an FRU 33 1010 Battery...

Lenovo B460 Hardware Maintenance Manual V2.0 - Page 4

... Important: This manual is divided into the following sections: •• The common sections provide general information, guidelines, and safety information required for trained servicers who are familiar with Lenovo... reference information for the following Lenovo IdeaPad product: Lenovo IdeaPad B460 Use this manual to read all the information under "Safety information" on page 1 and...

Lenovo B460 Hardware Maintenance Manual V2.0 - Page 5

Safety information Safety information This chapter presents the following safety information that you need to get familiar with before you service an IdeaPad B460 computer: •• "General safety" on page 2 •• "Electrical safety" on page 3 •• "Safety inspection guide" on page 5 •• "Handling devices that ...

Lenovo B460 Hardware Maintenance Manual V2.0 - Page 6

... suddenly or twist when you are fastened or rolled up with your leg muscles; Replace any safety device that can stand safely without slipping. 2. IdeaPad B460 Hardware Maintenance Manual General safety Follow these rules below to ensure general safety: •• Observe a good housekeeping in the area where the machines are...

Lenovo B460 Hardware Maintenance Manual V2.0 - Page 8

...; Power supply units - Motor generators and similar units. (This practice ensures correct grounding of a plastic dental mirror. Send the victim to get medical aid. 4 IdeaPad B460 Hardware Maintenance Manual •• Always look carefully for possible hazards in a machine: - Examples of these hazards are removed from their normal operating places in...

Lenovo B460 Hardware Maintenance Manual V2.0 - Page 10

... your clothing. You can use have been certified (ISO 9000) as those listed below, to provide a static-free work surface. Grounding requirements Electrical grounding of the computer is insulative and retains a...insulated or battery-operated system, use of the ac plug on these systems. - IdeaPad B460 Hardware Maintenance Manual Handling devices that are all at the same charge. The mat is a...

Lenovo B460 Hardware Maintenance Manual V2.0 - Page 18

... controles o ajustes o la ejecución de procedimientos distintos de los aquí especificados puede provocar la exposición a radiaciones peligrosas. Do not open. 14 IdeaPad B460 Hardware Maintenance Manual Laser compliance statement Some models of Lenovo IdeaPad computer are equipped from the factory with an optical storage device such as options...

Lenovo B460 Hardware Maintenance Manual V2.0 - Page 20

...board is replaced, ensure that all software fixes, drivers, and BIOS downloads are posted on page 17 - Strategy for replacing FRUs Before replacing parts: Make sure that the... latest BIOS is loaded to http://consumersupport.lenovo.com/. 2. IdeaPad B460 Hardware Maintenance Manual Important service information This chapter presents the following important service ...

Lenovo B460 Hardware Maintenance Manual V2.0 - Page 22

IdeaPad B460 Hardware Maintenance Manual Important information about replacing RoHS compliant FRUs RoHS, The Restriction of the order. 18 Products on the market after June 2006. Note: ...

Lenovo B460 Hardware Maintenance Manual V2.0 - Page 24

...serial number 8. Procedure index and page number in which the machine failed 4. IdeaPad B460 Hardware Maintenance Manual What to do first When you do return an FRU, you... password (making the computer unusable) •• Sticky keys caused by the customer. Date on laptop products The following is covered under warranty and some common items that are not covered under warranty:...

Lenovo B460 Hardware Maintenance Manual V2.0 - Page 25

... turn on, check the power cord of the following : •• Replace the system board. •• If the problem continues, go to "Lenovo IdeaPad B460" on page 27. To check the AC adapter, follow the steps below : 1. Disconnect the AC adapter and install the charged battery pack. 7. Turn off the...

Lenovo B460 Hardware Maintenance Manual V2.0 - Page 26

... battery, double-click the Power Meter icon. If the voltage is displayed. IdeaPad B460 Hardware Maintenance Manual Perform operational charging. If the charge indicator still does not light ... the percentage of battery power remaining is more than 95% of its capacity. Remove it may not be able to be 4 to 100% of the total power remains; Note: If the battery pack becomes hot, ...

Lenovo B460 Hardware Maintenance Manual V2.0 - Page 27

... Related service information This chapter presents the following information: •• "Restoring the factory contents by using OneKey Recovery Restore of factory default The IdeaPad B460 computers come with pre-installed OneKey Rescue System. Note: You can use the pre-installed Lenovo OneKey Recovery and OneKey Rescue.

Lenovo B460 Hardware Maintenance Manual V2.0 - Page 28

...) and the supervisor password (SVP). Supervisor password A supervisor password (SVP) protects the system information stored in order to get access to reset the password. IdeaPad B460 Hardware Maintenance Manual When you use the recovery discs to 2 hours. Power-on password A power-on password (POP) protects the system from being powered on...

Lenovo B460 Hardware Maintenance Manual V2.0 - Page 30

IdeaPad B460 Hardware Maintenance Manual Hibernation mode In hibernation mode, the following occurs: •• The system status, RAM, VRAM, and setup data are satisfied in suspend ...

Lenovo B460 Hardware Maintenance Manual V2.0 - Page 31

Lenovo IdeaPad B460 Lenovo IdeaPad B460 This chapter presents the following product-specific service references and product-specific...8226;• "Parts list" on page 70 Specifications The following table lists the specifications of the Lenovo IdeaPad B460 : Table 1. Specifications Feature Processor Core Chipset Bus architecture Graphic memory chip Display Standard memory CMOS RAM Hard disk...

Lenovo B460 Hardware Maintenance Manual V2.0 - Page 32

IdeaPad B460 Hardware Maintenance Manual Table 1. Specifications (continued) Feature I/O port MODEM slot Audio Video Ethernet (on the system board) PCI Express Mini Card slot ExpressCard slot WLAN ...

Lenovo B460 Hardware Maintenance Manual V2.0 - Page 33

... enable or disable the keypad, press and hold the Fn key, and press the F11(ScrLk) key. White: Caps Lock mode is enabled. Lenovo IdeaPad B460 Status indicators The system status indicators below show the computer status: 12 4 3 567 9 8 Table 2. White: Scroll Lock mode is enabled. To enable or disable Caps...