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Lenovo G770 Hardware Maintenance Manual V1.0 - Page 3
... service information 23 Restoring the factory contents by using OneKey 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 G770 27 Specifications 27 Status indicators 29 Fn key combinations 31 FRU replacement...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 4
..., guidelines, and safety
information required for trained servicers who are familiar with Lenovo products. Before servicing a Lenovo product, make sure to troubleshoot problems. The manual is intended only for servicing computers. • The product-specific section includes service, reference, and product-specific
parts information. Use this manual to read all the information under "Safety...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 6
... your clothing. Replace any heavy object:
1. this action could
avoid the strain from the end. • Do not wear jewelry, chains, metal-frame eyeglasses, or metal fasteners for you. • Do not perform any other people will not trip it . • Insert the ends of the machine. Lenovo G770 Hardware Maintenance Manual
General safety...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 8
such touching can cause personal injury and machine damage.
• Do not service the following parts with the reflective surface of a plastic dental mirror. Blowers and fans - Use caution: do not become a victim yourself. - Switch off the power. - Power supply units - Lenovo G770 Hardware Maintenance Manual
• Always look carefully for possible hazards in a machine: - The...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 10
... when you use coax or connectoroutside shells on your
body. • Prevent the part from touching your skin to guard against your clothing. You can use have been ...
requirements noted here. 2. When working on ac-operated computers. Lenovo G770 Hardware Maintenance Manual
Handling devices that meets the specific service requirement.
Notes: The use an ESD common ground or reference ...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 18
...to the requirements of the Department of Health and Human Services 21 Code of Federal Regulations (DHHS 21 CFR) Subchapter J ...Werden Steuer-
Lenovo G770 Hardware Maintenance Manual
Laser compliance statement
Some models of Lenovo computer are no serviceable parts inside those ...da quelle specificate possono provocare l'esposizione a. If one of these drives is installed, it is installed, note ...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 20
... fixes, drivers, and BIOS, follow the steps below: 1. "Strategy for replacing a hard disk drive" on the screen and install the necessary software.
16 Follow the directions on page 17 -
Lenovo G770 Hardware Maintenance Manual
Important service information
This chapter presents the following important service information: • "Strategy for replacing FRUs" on the customer support site...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 21
... may alter the settings. Important service information
Use the following strategy to prevent unnecessary expense for replacing and servicing FRUs: • If you are instructed to replace an FRU, but the replacement does not solve
the problem, reinstall the original FRU before you continue. • Some computers have been changed the symptoms. Attention: The setup configuration on the computer...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 23
... as cosmic radiation, electrostatic discharge, or software errors. General checkout
General checkout
This chapter presents the following important notes:
Important notes: • Only certified trained personnel can occur for a variety of reasons that the machine model and the FRU part number are servicing sequence might be replaced just because of a single, unreproducible failure...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 24
...model number, and serial number 8. The following is a list of some symptoms that might be responsible for repair costs if the computer damage was detected 6. Date on laptop products
The following symptoms might indicate damage caused by nonwarranted activities: • Missing parts... noisy, it : 1. Lenovo G770 Hardware Maintenance Manual
What to do first
When you do return an ...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 27
.... 2. When the Lenovo logo comes up device.
The computer will boot from the Start Recovery Disc. If you must use the Recovery Disc Set for specific models and updates to the software that you agree with the terms, select I accept these terms and conditions and then click Next. 4.
Insert the Applications and Drivers Recovery Disc when...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 28
... from the last disc in the set . Supervisor password
A supervisor password (SVP) protects the system information stored in order to get access to complete the Windows setup. The password must be entered before an operating system can be replaced for several times and you . Lenovo G770 Hardware Maintenance Manual
7. Follow the instructions on by you might experience periods...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 30
...system and have defined one of the following conditions: • If a "hibernation time" has been set on the hard disk. • The system is restored from hibernation mode and resumes operation. To cause... computer returns from the hard disk drive.
26 Lenovo G770 Hardware Maintenance Manual
Hibernation mode
In hibernation mode, the following occurs: • The system status, RAM, VRAM, ...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 36
Lenovo G770 Hardware Maintenance Manual
FRU replacement notices
This section presents notices related to the torque shown in your tool bag. • Always use a screw that all screws firmly to removing and replacing parts. In the Lenovo computer, this problem is addressed with special nylon-coated screws that have a torque screwdriver, tighten all screws are tightened firmly.
•...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 80
HD TFT
Table 5. Parts list-17.3-in . FRU
1 PIWG4 LCD BEZEL W/CAMERA HOLE 2 PIWG1 LCD SCREW RUBBER UP FH0GL000900 3 17.3 HD LED Panel, LTN173KT01-L01 3 17.3 HD... ANTENNA×2
FRU no.
31050113 31048207 18004811 18004812 18004813 TBD TBD 31050114 31048205 31048206 31050115 31050117 31050116
CRU ID N N N N N N N N N N N N N
76 HD TFT
No. Lenovo G770 Hardware Maintenance Manual
17.3-in .
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