Lenovo G770 Support Question
Lenovo G770 Support Question
Find answers below for this question about Lenovo G770.Need a Lenovo G770 manual? We have 2 online manuals for this item!
Question posted by Morobi on November 23rd, 2012
How To Remove Bios Password On Lenovo G757c
how to remove BIOS password. on Lenovo G757c
Current Answers
Related Lenovo G770 Manual Pages
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 3
... 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 card 35
1030...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 6
... sure that other service representatives and the customer are not in a hazardous position. • Please remove covers and other parts in a safe place, away from the end. • Do not wear... or that you think is too heavy for your clothing. Replace any heavy object:
1. Lenovo G770 Hardware Maintenance Manual
General safety
Follow these rules below to ensure general safety: • Observe...
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 can ... power surges, and missing safety grounds.
• Do not touch live electrical circuits with the power on when they are removed from their normal operating places in your work area. The surface is conductive; Motor generators and similar units. (This practice ...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 20
... on the customer support site: http://consumersupport.lenovo.com/. Lenovo G770 Hardware Maintenance Manual
Important service information
This chapter presents the following important service information: • "Strategy for replacing FRUs
Before replacing parts: Make sure that the latest BIOS is loaded to http://consumersupport.lenovo.com/. 2. To download software fixes, drivers, and...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 24
...service 3. Machine type, model number, and serial number 8. Lenovo G770 Hardware Maintenance Manual
What to do first
When you do return ...to excessive force, or dropped.
20 Date on laptop products
The following information in which the machine ...Fuses blown by attachment of a nonsupported device • Forgotten computer password (making the computer unusable) • Sticky keys caused by ...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 25
Remove the battery pack. 3. Checking operational charging
To check whether the battery charges properly during ... pack. 7. If the voltage 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 correct...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 26
... life. To get detailed information about the battery, double-click the Power Meter icon. Remove it at least 3 hours, even though the indicator does not light on. To check... pack.
If the resistance is not correct, replace the battery pack. Lenovo G770 Hardware Maintenance Manual
Perform operational charging. Remove the battery pack and measure the voltage between battery terminals 5 and 7....
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 28
... of the recovery process is fully automated and no master HDP is entered.
Lenovo G770 Hardware Maintenance Manual
7. Follow the instructions on . The computer does not start until the password is available, neither Lenovo nor Lenov authorized service technicians provide any Lenovo computer: the power-on by you might experience periods when no service procedure...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 31
...(5400rpm & 7200rpm) • 12.7mm Fixed Bay DVD Rambo/Blue Ray Combo/
Rambo
27 Lenovo G770
Lenovo G770
This chapter presents the following product-specific service references and product-specific parts information: • "... key combinations" on page 31 • "FRU replacement notices" on page 32 • "Removing and replacing an FRU" on page 33 • "Locations" on page 66 • "Parts...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 36
...use new screws. • Use a torque screwdriver if you have a torque screwdriver , refer to removing and replacing parts. Tighten screws as follows: • Plastic to plastic
Turn an additional 90°...180°
(Cross-section)
• Torque driver If you have one . Lenovo G770 Hardware Maintenance Manual
FRU replacement notices
This section presents notices related to the "Torque" column...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 37
...instructions to indicate how to be damaged by the arrow in place, reverse the removal procedures and follow any of damaging parts. 2. Before touching it, establish personal ...observe the following general rules: 1. Metallic parts or metal flakes can be removed before the failing FRU. Lenovo G770
Removing and replacing an FRU
This section presents exploded figures with one hand or...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 38
...: Install the battery pack along the slide rails of battery pack
Unlock the battery release lever a. Holding the battery release lever in the unlocked position b, remove the battery pack in the locked position.
34
Then make sure that the battery release lever is in the direction shown by arrow c. Figure 1. Any...
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
Figure 4. Lenovo G770
1040 Hard disk drive
For access, remove these FRUs in order: • "1010 Battery pack" on page 34 • "1030 Hard ...any physical shock to backup all the information on it . Improper handling can cause damages and permanent loss of hard disk drive
Remove the frame fixing screws a .
1
1
Step
a
Screw (quantity)
Color
M2.5 × 4 mm, flat-head, nylok-coated ...
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
... c.
a
Step
a
Screw (quantity)
M2.5 × 8 mm, flat-head, nylok-coated (1)
Color Black
Torque 2.0 kgfcm
b c
39 Lenovo G770
1050 Optical drive
For access, remove this FRU: • "1010 Battery pack" on page 34
Figure 5. Removal steps of optical drive
Remove the screw a, insert a screwdriver into the screw hole and push the optical drive in the direction...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 44
...difficult to be installed in SLOT-0 ( : lower slot), but not in SLOT-1 ( : upper slot). Removal steps of DIMM Release the two latches on page 36
Figure 6. z
b
a
When installing: Insert the ... arrows a, and then unplug the DIMM in the direction shown by arrow b. Lenovo G770 Hardware Maintenance Manual
1060 DIMM
For access, remove these FRUs in order: • "1010 Battery pack" on page 34 ...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 45
... Figure 7. Step
b
Screw (quantity)
Color
M2 × 3 mm, flat-head, nylok-coated (1) Black
Torque 1.6 kgfcm
41
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. Notes: wireless LAN card has 2 cables in the direction shown by using the...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 46
...) (MAIN) into the jack labeled 1, the grey cable (3rd) into jack labeled 3, and the white cable (2nd) (AUX) into jack labeled 2 on the card.
42
Lenovo G770 Hardware Maintenance Manual
Figure 7. Removal steps of PCI Express Mini Card for wireless LAN/WAN (continued...
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