Lenovo G Z 40 Series Hmm
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 a service manual for Lenovo laptops, covering safety information, service strategies, checkout procedures, password management, power management, specifications, hotkeys, status indicators, and detailed instructions for replacing various Field Replaceable Units (FRUs) like the battery pack, base cover, optical drive, and hard disk drive.
| 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 an index or table of contents for a technical manual, listing various computer components and their corresponding page numbers, along with sections for locations and notices. It details parts like the system board, keyboard, and LCD unit, and organizes information by component type and general sections.
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