Lenovo G770 Support Question
Lenovo G770 Support Question
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Question posted by Willeabu on September 16th, 2014
How Do I Turn The Keyboard Lock Off On Lenova G770
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Related Lenovo G770 Manual Pages
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 3
...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... 39 1060 DIMM 40 1070 PCI Express Mini Card for wireless LAN/WAN 41 1080 Keyboard 43 1090 Keyboard bezel 45 1100 System board 49 1110 LCD unit 52 1120 Fan assembly and Heat ...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 24
...computer unusable) • Sticky keys caused by spilling a liquid onto the keyboard • Use of the cosmetic parts • Plastic parts, latches, pins...have been subjected
to excessive force, or dropped.
20 Lenovo G770 Hardware Maintenance Manual
What to do first
When you do return... by the customer. Date on laptop products
The following symptoms might be a symptom of unauthorized service or modification...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 25
...the AC adapter cable. If the voltage is used. • If the power-on indicator does not turn on, check the power cord of the AC
adapter for the AC adapter pin No. 2 may differ... problem persists, go to "Lenovo G770" on page 22
Checking the AC adapter
You are servicing. 3. Turn off the computer. 6. Make sure that the battery pack supplies power when you turn on the
computer. Make sure that...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 26
...the Power Meter shows that less than +11.0 V DC, the battery pack has been discharged.
Turn off , replace the battery pack. If the voltage is correct, replace the system board.
22 ... be 4 to 100% of the total power remains; The resistance must be charged. Lenovo G770 Hardware Maintenance Manual
Perform operational charging. If the charge indicator or icon is displayed.
To get...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 28
...password (HDP), and the supervisor password (SVP). If any of the recovery process is turned on the screen whenever the computer is fully automated and no service procedure to recover data ...services to reset either the user or the master HDP, or to reset the password. Lenovo G770 Hardware Maintenance Manual
7. Passwords
As many as three passwords may be entered before an operating system...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 30
... the boot record on the hard disk drive is read, and system status is turned on, the computer returns from the hard disk drive.
26 Also, the computer ... user does not do any operation with the keyboard, the hard disk drive, the parallel connector, or the diskette drive within that action: - Pressing the power button. Lenovo G770 Hardware Maintenance Manual
Hibernation mode
In hibernation mode,...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 32
Lenovo G770 Hardware Maintenance Manual
Table 1. Specifications (continued)
Feature I/O port
Audio
Video Ethernet (on the system board) PCI Express Mini Card slot WLAN
WWAN Bluetooth Keyboard Touch pad Integrated camera Battery AC adapter Pre-installed operating system
Description • External monitor connector • Stereo headphone jack • Microphone jack • RJ45 x 1 &#...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 34
... radio of it is also turned off, or the wireless LAN radio is also turned off /1s on the keyboard is turned on and the radio of ...turned on battery power with the remaining power between 5% and 20% of its capacity. White: The remaining power of the battery is enabled. Lenovo G770 Hardware Maintenance Manual
Table 2. Status indicators
Indicator
Meaning
a Caps lock
White: Caps Lock...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 35
... interface for integrated wireless devices settings (on /off the integrated camera.
Enable/Disable the scroll lock. Increase/Decrease sound volume.
31 Enter sleep mode.
Fn + F6: Fn + F9:
... combinations
Key combination
Description
Fn + Esc: Fn + F1:
Turn on /off the backlight of Fn with a function key.
Lenovo G770
Fn key combinations
The following table shows the function of each...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 36
If you have one.
Never use the correct screws. Lenovo G770 Hardware Maintenance Manual
FRU replacement notices
This section presents notices related to tighten. ...the "Torque" column for each step.
• Make sure that you use a screw that all screws firmly to plastic Turn an additional 180° after the screw head touches the surface of the plastic part:
more than 90°
(Cross...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 37
...2. For information about connecting and arranging internal cables, see "Locations" on page 66. 8.
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 replace an FRU, turn it in the direction as shown in the procedures. When removing the FRU, move...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 38
Lenovo G770 Hardware Maintenance Manual 1010 Battery pack
DANGER Only use the battery specified in the direction shown by arrow c. Removal steps of the slot.
a1 b
c
When ... the unlocked position b, remove the battery pack in the parts list for your computer. Then make sure that the battery release lever is in the locked position.
34
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 47
Removal steps of keyboard
Remove the screw a .
1080 Keyboard
For access, remove this FRU: • "1010 Battery pack" on page 34
Figure 8. G770
b
Step
a
Screw (quantity)
Color
M2.5 × 8 mm, flat-head, nylok-coated (1) Black
Torque 2.0 kgfcm
43
a
Lenovo G770
Loosen the keyboard with fingers in the direction shown by arrow b .
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 48
Lenovo G770 Hardware Maintenance Manual
Figure 8. c
G770
d e
When installing: Make sure that the FPC connector is attached firmly.
44
Removal steps of keyboard (continued)
Lift the keyboard a little c, and then detach the connector in the direction shown by arrows d e.
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 49
...four screws b and two screws c on page 43
Figure 9. Lenovo G770
1090 Keyboard bezel
For access, remove these FRUs in order: • "1010 ... "1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot
compartment cover" on page 36 • "1050 Optical drive" on page 39 • "1080 Keyboard" on the bottom.
a
c c a a
a
a
a bbb
ba a a
a a a
Step
a
b c
Screw (quantity)
M2.5 × ...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 50
Lenovo G770 Hardware Maintenance Manual
Figure 9.
d
G770
dd
d
Step
d
Screw (quantity)
Color
M2.5 × 5 mm, flat-head, nylok-coated (4) White
Torque 2.0 kgfcm
46 Removal steps of keyboard bezel (continued)
Remove four screws d.
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 51
Lenovo G770
Figure 9.
Removal steps of keyboard bezel (continued)
Detach three FPC connectors in the direction shown by arrows e. e
G770
e
e
When installing: Make sure that all the FPC connectors, microphone connectors and LCD connector are attached firmly.
47
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 52
..., flat-head, nylok-coated (2)
Remove the screw i to lift the USB board j .
Removal steps of keyboard bezel (continued)
Remove the keyboard bezel in the direction shown by arrow f. G770
f
Remove two screws g , and then remove the power board h .
Lenovo G770 Hardware Maintenance Manual
Figure 9. h
Color Black
Torque 1.6 kgfcm
g
Step
i
Screw (quantity)
Color
M2 ×...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 53
Lenovo G770
1100 System board
Important notices for handling the system board: When handling the system board, bear the following in...DIMM" on page 40 • "1070 PCI Express Mini Card for wireless LAN/WAN" on page 41 • "1080 Keyboard" on page 43 • "1090 Keyboard bezel" on a padded
surface such as an ESD mat or conductive corrugated material. For access, remove these FRUs in mind. ...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 60
... to release the lock, then remove the CPU in the direction shown by arrow b.
1
a b
b
When installing: Place the CPU on page 54 Attention: CPU is extremely sensitive. Lenovo G770 Hardware Maintenance Manual
...; "1070 PCI Express Mini Card for wireless LAN/WAN" on page 41 • "1080 Keyboard" on page 43 • "1090 Keyboard bezel" on page 45 • "1100 System board" on page 49 • "1120...
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