Lenovo G770 Support Question
Lenovo G770 Support Question
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Question posted by Zetori on March 21st, 2014
How To Remove Screen Lenovo G770
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Related Lenovo G770 Manual Pages
Lenovo G770 Hardware Maintenance Manual V1.0 - 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 G770 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 pack 34 1020 Dummy...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 6
... other service representatives and the customer are not in a hazardous position. • Please remove covers and other parts in a safe place, away from all safety shields, guards, labels...other conditions that your sleeves are fastened or rolled up with labels or stickers.
2 Lenovo G770 Hardware Maintenance Manual
General safety
Follow these rules below to ensure general safety: •...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 8
Lenovo G770 Hardware Maintenance Manual
• Always look carefully for possible hazards in a machine: - such touching ... units. (This practice ensures correct grounding of a plastic dental mirror. Switch off the power. - Examples of these hazards are removed from their normal operating places in your work area. Power supply units - Send the victim to get medical aid.
4 Use caution...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 20
Lenovo G770 Hardware Maintenance Manual
Important service information
This chapter presents the following important service information: • "Strategy for replacing FRUs" on the screen and install the necessary software.
16
Strategy for replacing FRUs
Before replacing parts: Make sure that the latest BIOS is replaced, ensure that all software ...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 24
... of a PC Card or the installation of
an incompatible card • Improper disk insertion or use . Lenovo G770 Hardware Maintenance Manual
What to do first
When you do return an FRU, you attach to it may be...was subjected to excessive force, or dropped.
20 Date on laptop products
The following information in which the machine failed 4. Machine type, model number, and serial number 8.
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 25
Remove the battery pack. 3. Turn off the computer. 2. To check the AC adapter, follow the steps below : 1. ...computer fails only when the AC adapter is acceptable, do the following: • Replace the system board. • If the problem persists, go to "Lenovo G770" on , check the power cord of the following figure:
Pin
Voltage (V DC)
1
+20
2
0
2 1
Note: Output voltage for the AC ...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 26
... the Power Meter shows that less than +11.0 V DC after recharging, replace the battery.
4. Remove it from having a shortened life. Turn off , replace the battery pack. If the voltage is still... must be 4 to the next section. Lenovo G770 Hardware Maintenance Manual
Perform operational charging. If the charge indicator still does not light on , remove the battery pack and let it is displayed...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 28
... HDP has been forgotten, check whether a master HDP has been set , remove the disc and restart the computer. Lenovo G770 Hardware Maintenance Manual
7. The computer will restart into the Windows desktop several minutes... an unauthorized person. If it has, it to get access to the Microsoft Windows screen is booted. When all of the recovery process is fully automated and no service procedure...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 31
..." on page 31 • "FRU replacement notices" on page 32 • "Removing and replacing an FRU" on page 33 • "Locations" on page 66 • "Parts list" on page 69
Specifications
The following table lists the specifications of the Lenovo G770:
Table 1. Specifications
Feature
Description
Processor
• Intel Huron River
Core Chipset
•...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 35
Lenovo G770
Fn key combinations
The following table shows the function of each combination of Windows Media Player.
Enable/...the system request.
Fn + F6: Fn + F9:
Enable/Disable the touchpad. Start/Pause playback of the LCD screen. Increase/Decrease display brightness. Open the interface for display resolution settings. Fn + Home:
Activate the pause function. Table 3. Increase...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 36
... following country specifications.
32
Make sure that have a torque screwdriver, tighten all screws are tightened firmly.
• Ensure torque screwdrivers are harder to removing and replacing parts. Lenovo G770 Hardware Maintenance Manual
FRU replacement notices
This section presents notices related to tighten. • Each one . Screw notices
Loose screws can cause a reliability...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 37
Lenovo G770
Removing and replacing an FRU
This section presents exploded figures with one hand or using an electrostatic discharge (ESD) strap (P/N 6405959) to remove potential shock reasons.
33 ...system board is sensitive to observe the following general rules: 1.
Begin by , electrostatic discharge. Remove them in the order in the figure. 7.
Any of such FRUs are listed at the top...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 38
... battery release lever a. Then make sure that the battery release lever is in the direction shown by arrow c. Any other battery could ignite or explode. Lenovo G770 Hardware Maintenance Manual 1010 Battery pack
DANGER Only use the battery specified in the parts list for your computer. Removal steps of the slot. Figure 1.
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 39
Removal steps of dummy cards
Remove the dummy card in the direction shown by arrows a b .
1 2
35 Lenovo G770 1020 Dummy card
For access, remove this FRU: • "1010 Battery pack" on page 34 Figure 2.
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 40
...)
M2.5 × 8 mm, flat-head, nylokcoated (2)
Color Black
Torque 2.0 kgfcm
36 Lenovo G770 Hardware Maintenance Manual
1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot compartment cover
For access, remove this FRU: • "1010 Battery pack" on page 34
Figure 3.
Removal steps of HDD/Memory/Mini PCI Express Card slot compartment cover...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 41
..., suggest the customer to physical shock. Torque 2.0 kgfcm
2
37
Figure 4.
Lenovo G770
1040 Hard disk drive
For access, remove these FRUs in order: • "1010 Battery pack" on page 34 &#... not drop the hard disk drive or apply any physical shock to it if possible. • Never remove the drive while the system is operating or is sensitive to backup all the information on it . The...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 42
Lenovo G770 Hardware Maintenance Manual
Take out the hard disk drive secured in a metal frame c .
3
Remove four screws d and detach the metal frame from the hard disk drive e.
d d
e
d d
Step
d
Screw (quantity)
Color
M3 × 3 mm, flat-head, nylok-coated (4) Black
Torque 2.5 kgfcm
When installing: Make sure that the HDD connector is attached firmly.
38
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 43
...)
M2.5 × 8 mm, flat-head, nylok-coated (1)
Color Black
Torque 2.0 kgfcm
b c
39 Removal steps of optical drive
Remove the screw a, insert a screwdriver into the screw hole and push the optical drive in the direction shown by arrow b. Lenovo G770
1050 Optical drive
For access, remove this FRU: • "1010 Battery pack" on page 34
Figure 5.
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 44
Make sure that it snaps into the socket. Lenovo G770 Hardware Maintenance Manual
1060 DIMM
For access, remove these FRUs in the direction shown by arrow b. b
a
a
Note: If only one DIMM is firmly ..., and pivot it until it is used on both edges of the DIMM into the place. Removal steps of DIMM Release the two latches on the computer you are servicing, the card must be moved.
40
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 45
...; "1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot
compartment cover" on page 36 Figure 7.
Lenovo G770
1070 PCI Express Mini Card for wireless LAN/WAN
b a
Disconnect the two wireless LAN cables (black, white) a, and then remove the screw b.
Removal steps of PCI Express Mini Card for wireless LAN/WAN
For access...
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