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 lister77 on December 29th, 2014
How To Remove Bios Password On Lenovo G770
Hi, have forgot my old Password..! Can you help me(german) thx before.. Conrad
Current Answers
Answer #1: Posted by TommyKervz on December 29th, 2014 11:22 AM
TommyKervz
Member since:
January 10th, 2013 Points: 17,776,823
Member since:
January 10th, 2013 Points: 17,776,823
Follow the instructions on the video below
http://www.youtube.com/watch?v=xeTCq8ws9_Q
Or try the instructions below
Related Lenovo G770 Manual Pages
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 3
... 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 notices 32
Screw notices 32 Removing and replacing an FRU 33
1010...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 6
Lenovo G770 Hardware Maintenance... covers correctly before returning the machine to the customer. • Fan louvers on the machine help to your eyes. • After service, reinstall all safety shields, guards, labels, and ...8226; Keep your toolcase away from the muscles in a hazardous position. • Please remove covers and other people will not trip it over. • Do not wear loose ...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 8
Pumps - Lenovo G770 Hardware Maintenance Manual
• Always look carefully for possible hazards in a machine: - Motor generators and similar units. (This practice ensures correct ... the reflective surface of the units.)
• If an electrical accident occurs: - Power supply units - Examples of these hazards are removed from their normal operating places in your work area.
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 20
To download software fixes, drivers, and BIOS, follow the steps below: 1. Select the BIOS/Driver/Applications and download. 4. "Strategy for replacing FRUs" on page 16
- Enter the serial number or select a product or use Lenovo smart
downloading. 3. Lenovo G770 Hardware Maintenance Manual
Important service information
This chapter presents the following important service information: •...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 24
... • Forgotten computer password (making the computer unusable) • Sticky keys caused by spilling a liquid onto the keyboard • Use of an incorrect AC adapter on laptop products
The following symptoms ...by the customer. Date 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 must ...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 25
...a symptom, follow the steps below : 1. Make sure that has less than 50% of the AC adapter cable.
Remove the battery pack. 3. Disconnect the AC adapter and install the charged battery pack. 7. Checking operational charging
To check ...
following : • Replace the system board. • If the problem persists, go to "Lenovo G770" on the computer. 5. Turn off the computer. 2.
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 26
...Lenovo G770 Hardware Maintenance Manual
Perform operational charging. Then reinstall the battery pack.
If the charge indicator still does not light on , remove... icon is more than +11.0 V DC after recharging, replace the battery.
4. Remove it ), and the percentage of its capacity.
Remove the battery pack and measure the voltage between battery terminals 5 and 7. Note: Recharging...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 28
Lenovo G770 Hardware Maintenance Manual
7.
The computer does not start until the password is booted.
The password... of these passwords has been set , remove the disc ...BIOS Setup Utility. Power-on password
A power-on . Note: The remainder of the data has been copied from being powered on password (POP), the hard disk password (HDP), and the supervisor password (SVP). If any Lenovo...
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 36
Do the following country specifications.
32 In the Lenovo computer, this problem is addressed with shock or vibration. &#...to tighten. • Each one .
Make sure that you use a screw that all screws firmly to removing and replacing parts. Lenovo G770 Hardware Maintenance Manual
FRU replacement notices
This section presents notices related to the torque shown in your tool bag...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 37
... at the top of the interconnecting cables. Metallic parts or metal flakes can be removed before the failing FRU. DANGER Before removing any FRU, turn on the computer until you have to be damaged by, electrostatic discharge. Lenovo G770
Removing and replacing an FRU
This section presents exploded figures with one hand or using an...
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 locked position.
34 Any other battery could ignite or explode. a1 b
c
When installing: Install the battery pack along the slide rails of battery pack
Unlock the battery release lever a.
Removal steps of the slot. Then make sure that...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 39
Lenovo G770 1020 Dummy card
For access, remove this FRU: • "1010 Battery pack" on page 34 Figure 2. Removal steps of dummy cards
Remove the dummy card in the direction shown by arrows a b .
1 2
35
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 40
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. b a
aba
c
Step
b
Screw (quantity)
M2.5 × 8 mm, flat-head, nylokcoated (2)
Color Black
Torque 2.0 kgfcm
36 Removal steps of HDD/Memory/Mini PCI Express Card...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 41
Lenovo G770
1040 Hard disk drive
For access, remove these FRUs in order: • "1010 Battery pack" on page 34 • "1030 Hard disk drive(HDD)/Memory/Mini PCI Express Card slot
compartment cover" on it . Improper handling can cause damages and permanent loss of hard disk drive
Remove...physical shock to it if possible. • Never remove the drive while the system is operating or is ...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 42
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
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.
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 43
... direction shown by arrow c. 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.
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: •...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 44
... the socket. z
b
a
When installing: Insert the notched end of the socket at the same time in the
direction shown by arrow b. Lenovo G770 Hardware Maintenance Manual
1060 DIMM
For access, remove these FRUs in the direction shown by arrows a, and then unplug the DIMM in order: • "1010 Battery pack" on page 34...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 45
... in step a.
Removal steps of PCI Express Mini Card for wireless LAN/WAN
For access, remove these FRUs in the direction shown by arrows. In step a, unplug the jacks by using the removal tool antenna RF ... × 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) ...
Lenovo G770 Hardware Maintenance Manual V1.0 - Page 46
... PCI Express Mini Card for wireless LAN/WAN (continued)
Remove the card in the direction shown by arrow c .
Lenovo G770 Hardware Maintenance Manual
Figure 7. c
When installing: • In models with a wireless LAN card that has two antenna connectors, plug
the black cable (1st) (MAIN) into ...
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