Lenovo G400sg405sg400stouchg500sg505sg500stouch Hmm
Lenovo G400s/G405s/ G400s Touch/G500s/ G505s/G500s Touch
Hardware Maintenance Manual
Note:
Before using this information and the product it supports, be sure to read the general information under 'Notices' on page 99.
First Edition (April 2013)
' Copyright Lenovo 2013. All rights reserved.
LENOVO products, data, computer software, and services have been developed exclusively at private expense and are sold to governmental entities as commercial items as defined by 48 C.F.R. 2.101 with limited and restricted rights to use, reproduction and disclosure.
LIMITED AND RESTRICTED RIGHTS NOTICE: If products, data, computer software, or services are delivered pursuant a General Services Administration 'GSA' contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. GS-35F-05925. © 2013 Lenovo
Contents
| About this manual........................................iv | |
|---|---|
| Safety information.........................................1 | |
| General safety ...................................................... | 2 |
| Electrical safety.................................................... | 3 |
| Safety inspection guide | ...................................... 5 |
| Handling devices that are sensitive to electrostatic discharge......................................... | 6 |
| Grounding requirements | ................................... 6 |
| Safety notices: multilingual translations.......... | 7 |
| Laser compliance statement............................. | 14 |
| Important service information | ...................16 |
| Strategy for replacing FRUs............................. | 16 |
| Strategy for replacing a hard disk drive .............................................................. | 17 |
| Important notice for replacing a system board ............................................................. | 17 |
| Important information about replacing RoHS compliant FRUs ................................................. | 18 |
| General checkout........................................19 What to do first .................................................. | 20 |
| Power system checkout.................................... | 21 |
| Checking the AC adapter........................... | 21 |
| Checking operational charging................. | 21 |
| Checking the battery pack | ......................... 22 |
| Related service information.......................23 | |
| Restoring the factory contents by using | 23 |
| Recovery Disc Set .............................................. Start Recovery Disc (one disc)................... | 23 |
| Operating System Recovery Disc (one or more discs) ................................................... | 23 |
| Applications and Drivers Recovery Disc (one or more discs)...................................... | 23 |
| Supplemental Recovery Disc..................... | 23 |
| Passwords........................................................... | 24 |
| Power-on password.................................... | 24 |
| Hard-disk password................................... | 24 |
| Supervisor password.................................. | 24 |
| Power management .......................................... | 25 |
| Screen blank mode...................................... | 25 |
| Putting your computer to sleep................. | 25 |
| Shutting down the computer..................... | 26 |
| Lenovo G400s/G405s/G400s Touch/G500s/ | |
| G505s/G500s Touch....................................27 | |
| Specifications ..................................................... Status indicators ................................................ | 27 30 32 |
| Fn key combinations......................................... |
Table Caption: This table appears to be a table of contents or index for a technical manual, detailing the various sections and their corresponding page numbers, covering topics from safety information and service procedures to system recovery and power management.
Table Caption: This table is a table of contents for a service manual, detailing the procedures for replacing Field Replaceable Units (FRUs) in a device, along with their corresponding page numbers. It also includes sections for component locations, parts lists, and various notices.
About this manual
This manual contains service and reference information for the following Lenovo product:
G400s/G405s/G400s Touch/G500s/G505s/G500s Touch
Use this manual to troubleshoot problems.
The manual is divided into the following sections:
- The common sections provide general information, guidelines, and safety information required for servicing computers.
- The product-specific section includes service, reference, and product-specific parts information.
Important:
This manual is intended only for trained servicers who are familiar with Lenovo products. Use this manual to troubleshoot problems effectively.
Before servicing a Lenovo product, make sure to read all the information under 'Safety information' on page 1 and 'Important service information' on page 16.
Safety information
This chapter presents the following safety information that you need to get familiar with before you service a Lenovo computer:
- 'General safety' on page 2
- 'Electrical safety' on page 3
- 'Safety inspection guide' on page 5
- 'Handling devices that are sensitive to electrostatic discharge' on page 6
- 'Grounding requirements' on page 6
- 'Safety notices: multilingual translations' on page 7
- 'Laser compliance statement' on page 14
Lenovo G400s/G405s/G400s Touch/G500s/G505s/G500s Touch Hardware Maintenance Manual
General safety
Follow these rules below to ensure general safety:
- Observe a good housekeeping in the area where the machines are put during and after the maintenance.
- When lifting any heavy object:
- Make sure that you can stand safely without slipping.
- Distribute the weight of the object equally between your feet.
- Use a slow lifting force. Never move suddenly or twist when you attempt to lift it.
- Lift it by standing or pushing up with your leg muscles; this action could avoid the strain from the muscles in your back. Do not attempt to lift any object that weighs more than 16 kg (35 lb) or that you think is too heavy for you.
- Do not perform any action that causes hazards to
