Lenovo G Z 40 Series Hmm
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Lenovo G40-30/G40-45/ G40-70/G40-70m/Z40-70/ Z40-75/G40-80
Hardware Maintenance Manual
Notes:
- Before using this information and the product it supports, be sure to read the general information under 'Notices' on page 88 .
- This manual applies to the following models: Lenovo G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75/G40-80. The illustrations used in this manual are for Lenovo G40-70 unless otherwise stated.
First Edition (Oct. 2014)
© Copyright Lenovo 2014. All rights reserved.
LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant a General Services Administration 'GSA' contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. GS-35F-05925.
© 2014 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 RoHS compliant FRUs ................................. | replacing 18 |
| General checkout | ...................................... 19 |
| What to do first | ............................................. 20 |
| Power system checkout................................ | 21 |
| Checking theAC adapter | .................................21 |
| Checking operational charging.........................21 | |
| Checking the battery pack................................22 | |
| Related service information ...................... | 23 |
| Restoring the factory contents by using OneKey Recovery ........................................ | 23 |
| Restore of factory default | .................................23 |
| Passwords.................................................... | 24 |
| Power-on password..........................................24 | |
| Hard-disk password..........................................24 | |
| Administrator password....................................24 Power management ..................................... | 25 |
| Screen blank state............................................25 | |
| Putting the computer to sleep or shutting it down.................................................25 | |
| Putting your computer to sleep.........................25 | |
| Shutting down the computer.............................25 | |
| Lenovo G40-30/G40-45/G40-70/G40-70m/ | |
| Z40-70/Z40-75/G40-80................................. Specifications ............................................... | 26 26 |
| Hotkeys......................................................... | 29 |
| Status indicators........................................... | 30 |
| FRU replacement notices............................. | 31 |
| Screw notices | ..................................................31 |
| Removing and replacing an | FRU................. 32 |
| 1010 Battery pack.............................................33 | |
| 1020 Base cover...............................................34 | |
| 1030 Optical drive.............................................36 | |
| 1040 Hard disk drive.........................................37 |
Table Caption: This table of contents outlines the structure and content of a technical manual, detailing safety information, service procedures, hardware specifications, and operational guidelines for specific Lenovo laptop models. It serves as a guide to navigating the manual and locating specific information regarding maintenance, troubleshooting, and system configuration.
| 1050 PCI Express Mini Card for wireless LAN.....39 | |
|---|---|
| 1060 DIMM.......................................................41 | |
| 1070 Fan assembly | ..........................................42 |
| 1080 Keyboard | .................................................44 |
| 1090 Keyboard bezel......................................... | 47 |
| 1100 USB&audio board....................................50 | |
| 1110 System board | ............................................ 52 |
| 1120 Heat sink assembly..................................55 | |
| 1130 Speakers and DC-in cable.......................56 | |
| 1140 LCD unit...................................................58 | |
| 1150 LCD front bezel, LCD panel, and hinges | .....60 |
| 1160 Camera....................................................63 | |
| 1170 LCD cable and antenna assembly...........65 | |
| Locations | ...................................................... 66 |
| Front view and right-side view..........................66 | |
| Bottom and Left-side view | ...............................67 |
| Parts list........................................................ | 68 |
| Overall | ..............................................................69 |
| LCD FRUs........................................................79 | |
| Keyboard | ..........................................................81 |
| Miscellaneous parts..........................................83 | |
| AC adapters......................................................84 | |
| Screws..............................................................84 | |
| Power cords......................................................85 | |
| Notices......................................................... | 88 |
| Trademarks | .................................................. 89 |
Table Caption: This table appears to be a parts list or index for a laptop, detailing various components with corresponding page numbers, and also includes sections for locations, parts lists, and notices. It provides a breakdown of replaceable units (FRUs) and other accessories.
About this manual
This manual contains service and reference information for the following Lenovo product:
Lenovo G40-30/G40-45/G40-70/G40-70m/Z40-70/Z40-75/G40-80
Use this manual to troubleshoot problems.
The manual is divided into the following
