Lenovo G555 Support Question
Lenovo G555 Support Question
Find answers below for this question about Lenovo G555.Need a Lenovo G555 manual? We have 3 online manuals for this item!
Question posted by itsstevec on April 9th, 2014
G555 Powers On But Does Not Boot
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Related Lenovo G555 Manual Pages
Lenovo G455/G555 UserGuide V1.0 - Page 14
... switch to turn on/off the wireless radio of time may damage your computer
Front view
„ Lenovo G555
„ Lenovo G455
a Speakers
b Integrated wireless device switch
The stereo speakers provide rich and powerful sound.
Getting to music at high volume over extended periods of all wireless devices on page 18.
6 Attention...
Lenovo G455/G555 UserGuide V1.0 - Page 23
... keys and buttons
Your computer has several special keys and buttons.
„ OneKey Rescue System button
OneKey Rescue System button (a) • When the computer is powered-off, press this button to enter the OneKey Rescue System if
Lenovo OneKey Rescue System has been preinstalled. • In Windows operating system, press this...
Lenovo G455/G555 UserGuide V1.0 - Page 24
Learning the basics
System status indicators
These indicators inform you of the computer status.
1
2
G555
a Caps lock indicator b Num lock indicator c Power status indicator d Battery status indicator e Wireless communication indicator f Hard disk indicator
3
16 Chapter 2.
Lenovo G455/G555 SetupPoster V1.0 - Page 1
... trademarks of Lenovo in damages to the AC adapter.
4 Configure the operating system following the on-screen instructions
G555 Unpack
Computer
Battery pack
AC adapter
Power cord*
Optical disk(s) (specific models only)
Manuals -
Other publications
* Power cords vary by country/region.
1 Some models may result in the United States and/or other countries...
Lenovo G455/G555 SetupPoster V1.0 - Page 2
...an improved notebook experience for video-centric applications.
2 OneKey Rescue System button* / Power button
Repair Windows system kernel files or restore the system to its original state in ...case of all external devices is not guaranteed. External devices connection
Ethernet
G555
G455
G455 G555
Notes: • The above connection illustration is installed. Start the computer.
...
Lenovo G555 Hardware Maintenance Manual V2.0 - Page 3
... about replacing RoHS compliant FRUs 18
General checkout 19 What to do first 20 Power system checkout 21
Checking the AC adapter 21 Checking operational charging 21 Checking the battery... 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 G555 27 Specifications 27 Status...
Lenovo G555 Hardware Maintenance Manual V2.0 - Page 8
....
•• Do not touch live electrical circuits with the reflective surface of the units.)
•• If an electrical accident occurs: - Lenovo G555 Hardware Maintenance Manual
•• Always look carefully for possible hazards in a machine: - Pumps - Switch off the power. - The surface is conductive; Caution: do not become a victim yourself...
Lenovo G555 Hardware Maintenance Manual V2.0 - Page 24
...of unauthorized service or modification. •• If the spindle of an incorrect AC adapter on laptop products
The following symptoms might indicate that have been subjected
to excessive force, or dropped.
20 ... under warranty and some symptoms that might indicate damage caused by the customer. Lenovo G555 Hardware Maintenance Manual
What to do first
When you do return an FRU, you ...
Lenovo G555 Hardware Maintenance Manual V2.0 - Page 25
... the system board. •• If the problem continues, go to "Lenovo G555" on , check the power cord of the AC
adapter for the AC adapter pin No. 2 may differ ...whether the battery charges properly during operation, go to "Checking
operational charging". If you suspect a power problem, see the appropriate one you turn on the
computer. Measure the output voltage at the plug...
Lenovo G555 Hardware Maintenance Manual V2.0 - Page 26
... protects the battery pack from being overcharged or from the computer and leave it return to 100% of battery power remaining is still less than +11.0 V DC, measure the resistance between battery
terminals 1 (+) and 7 (-).
Lenovo G555 Hardware Maintenance Manual
Perform operational charging. To get detailed information about the battery, double-click the...
Lenovo G555 Hardware Maintenance Manual V2.0 - Page 27
... System.
For details of your new hard drive to restore your first boot up files of Create recovery discs, see the User Guide for OneKey ...OneKey Recovery" on page 23 •• "Passwords" on page 24 •• "Power management" on the system partition (C drive), which is shipped. Make sure to back up...Lenovo G555 computers come with pre-installed OneKey Rescue System.
Lenovo G555 Hardware Maintenance Manual V2.0 - Page 28
... whenever the computer is no service procedure to reset the password.
Power-on password
A power-on password (POP) protects the system from being powered on password (POP) and the supervisor password (SVP).
Lenovo G555 Hardware Maintenance Manual
When you use the recovery discs to boot your computer, the system will enter the user interface for...
Lenovo G555 Hardware Maintenance Manual V2.0 - Page 30
...G555 Hardware Maintenance Manual
Hibernation mode
In hibernation mode, the following occurs: •• The system status, RAM, VRAM, and setup data are stored on the hard disk drive is read, and system status is restored from hibernation mode and resumes operation. Closing the lid. - The hibernation file in the boot... disk drive.
26 When the power is powered off. Also, the computer goes...
Lenovo G555 Hardware Maintenance Manual V2.0 - Page 34
...: System is being charged with the remaining power between 20% and 80% of its capacity.
White:
Data is operating on battery power with the remaining
power between 20% and 80% of its capacity...this indicator is on )
The remaining power of the battery is less than 80% of its capacity, or the computer is operating on battery power with the remaining power between 5% and 20% of the...
Lenovo G555 Hardware Maintenance Manual V2.0 - Page 37
...parts. 2. Attention: The system board is sensitive to remove and replace the FRU. Lenovo G555
Removing and replacing an FRU
This section presents exploded figures with one hand or using an ...by, electrostatic discharge. Before replacing any computer unless you have made sure that all power cords from electrical outlets, remove the battery pack, and then disconnect any FRUs that ...
Lenovo G555 Hardware Maintenance Manual V2.0 - Page 51
Figure 10. Removal steps of Keyboard cover and power board
Remove the screws 1.
1 1 1 1
Step
1
Screw (quantity) M2.0 × 2.5 mm, flat-head, nylon-coated (4)
Color Black
Torque 1.0~1.5 kgf·cm
47 Lenovo G555
1100 Keyboard cover and power board
For access, remove this FRU: •• "1010 Battery pack" on page 34
Note: Power board is attached to the keyboard cover.
Lenovo G555 Hardware Maintenance Manual V2.0 - Page 52
Lift the keyboard cover with fingers in the direction shown by arrows 2 3.
3 3 3 3 3 3 2
48 Removal steps of Keyboard cover and power board (continued) Open the LCD at an angle about 120°.
Lenovo G555 Hardware Maintenance Manual
Figure 10.
Lenovo G555 Hardware Maintenance Manual V2.0 - Page 53
Removal steps of Keyboard cover and power board (continued)
Turn the keyboard cover over in the direction shown by arrow 4, disconnect the FPC...6
5 4
When installing: Make sure that the FPC connector is attached firmly. Remove the screws 7, and then remove the power board 8.
7
7
8
Step
7
Screw (quantity) M2.0 × 3 mm, flat-head, nylon-coated (2)
Color Silver
Torque 1.0~1.5 kgf·cm
...
Lenovo G555 Hardware Maintenance Manual V2.0 - Page 54
Removal steps of keyboard
Remove the screws 1.
1 1 1 1
Step
1
Screw (quantity) M2.0 × 2.5 mm, flat-head, nylon-coated (4)
Color Black
Torque 1.0~1.5 kgf·cm
50 Lenovo G555 Hardware Maintenance Manual
1110 Keyboard
For access, remove these FRUs in order: •• "1010 Battery pack" on page 34 •• "1100 Keyboard cover and power board" on page 47 Figure 11.
Lenovo G555 Hardware Maintenance Manual V2.0 - Page 56
...Step
1
Screw (quantity) M2.5 × 8 mm, flat-head, nylon-coated (2)
Color Black
Torque 2.0~2.5 kgf·cm
52 Lenovo G555 Hardware Maintenance Manual
1120 LCD unit
For access, remove these FRUs in order: •• "1010 Battery pack" on page 34 •... LAN/WAN" on page 45 •• "1100 Keyboard cover and power board" on page 47 •• "1110 Keyboard" on page 50
Figure 12.
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