Lenovo G575 Support Question
Lenovo G575 Support Question
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Question posted by ecevbjc197 on March 5th, 2014
Lenovo G575 Screen Wont Turn On
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Related Lenovo G575 Manual Pages
Lenovo G470/G475/G570/G575 User Guide V1.0 - Page 1
Lenovo G470/G475/ G570/G575
User Guide V1.0
Read the safety notices and important tips in the included manuals before using your computer.
Lenovo G470/G475/G570/G575 User Guide V1.0 - Page 6
....
d Power button
Press this button to open OneKey Rescue system (If OneKey Rescue system has been preinstalled) when the computer is powered off. Getting to turn on page 29.
2
c Computer display The LCD display with LED backlight provides brilliant
visual output.
Chapter 1. e OneKey Rescue system button
Press this button to know...
Lenovo G470/G475/G570/G575 User Guide V1.0 - Page 21
... system request.
Fn
Increase/Decrease sound volume.
17 Fn + Esc:
Turn on /off the backlight of Windows Media Player.
Fn + F3:
...Fn + F10:
Stop playback of each function key.
Fn + Insert (G570/G575): Fn + PgUp (G470/G475): Enable/Disable the scroll lock. Fn + ...Player.
Fn + F11:
Skip to the next track.
Fn + F2:
Turn on /off ). Fn + F12:
Skip to the previous track. Fn ...
Lenovo G470/G475/G570/G575 User Guide V1.0 - Page 35
...G470, G475,
G570 and G575.
Holding the spring-loaded battery
latch in the unlocked position b , remove the battery pack in this happens, turn off the computer, or enter... from the computer. Note: If you are of the Lenovo G570, unless otherwise stated. • The following : 1 Turn off the computer.
2 Close the computer display, and turn the computer over. 3 Unlock the manual battery latch ...
Hardware Maintenance Manual - 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 G470/G475/G570/G575 27 Specifications 27 Status indicators 29 Fn key combinations 31 FRU replacement notices 32
Screw notices 32 Removing...
Hardware Maintenance Manual - Page 4
... information, guidelines, and safety
information required for trained servicers who are familiar with Lenovo products. Use this manual to troubleshoot problems. The manual is intended only for ...this manual
This manual contains service and reference information for the following Lenovo product:
Lenovo G470/G475/G570/G575 Use this manual to read all the information under "Safety information" ...
Hardware Maintenance Manual - Page 5
Safety information
Safety information
This chapter presents the following safety information that you need to get familiar with before you service a Lenovo G470/G475/G570/G575 computer: •• "General safety" on page 2 •• "Electrical safety" on page 3 •• "Safety inspection guide" on page 5 •• "Handling devices that ...
Hardware Maintenance Manual - Page 6
... covers correctly before returning the machine to the customer. •• Fan louvers on the machine help to prevent the overheating of internal components. Lenovo G470/G475/G570/G575 Hardware Maintenance Manual
General safety
Follow these rules below to ensure general safety: •• Observe a good housekeeping in the area where the...
Hardware Maintenance Manual - Page 8
... missing safety grounds.
•• Do not touch live electrical circuits with the reflective surface of the units.)
•• If an electrical accident occurs: - Lenovo G470/G475/G570/G575 Hardware Maintenance Manual
•• Always look carefully for possible hazards in a machine: - Blowers and fans - Power supply units -
Hardware Maintenance Manual - Page 10
..., and the person handling the part are all at the same charge. Attach the ESD ground clip to eliminate static on ac-operated computers. Lenovo G470/G475/G570/G575 Hardware Maintenance Manual
Handling devices that the machine, the part, the work
surface. Most clothing is especially useful when handling ESD-sensitive devices...
Hardware Maintenance Manual - Page 20
... replacing FRUs" on page 16
- Follow the directions on page 17 - Lenovo G470/G475/G570/G575 Hardware Maintenance Manual
Important service information
This chapter presents the following important service information: •• "Strategy for replacing a hard disk drive" on the screen and install the necessary software.
16
Go to the system board before...
Hardware Maintenance Manual - Page 24
... beyond normal use of an optical drive •• Diskette drive damage caused by pressure on laptop products
The following symptoms might be a symptom of unauthorized service or modification. •• If...that might indicate that have been subjected
to excessive force, or dropped.
20 Lenovo G470/G475/G570/G575 Hardware Maintenance Manual
What to do first
When you do return an FRU, ...
Hardware Maintenance Manual - Page 25
...operational charging". General checkout
Power system checkout
To verify a symptom, follow the steps below : 1. Turn off the computer. 2. If you suspect a power problem, see the appropriate one of the total...;• Replace the system board. •• If the problem continues, go to "Lenovo G470/G475/G570/G575" on , check the power cord of the AC adapter cable.
If the voltage is ...
Hardware Maintenance Manual - Page 26
... remaining is displayed. To check your battery, move your cursor to the next section. Turn off , replace the battery pack. under this condition the battery pack can charge to 100....
If the resistance is more than 95% of its capacity. Remove it . Lenovo G470/G475/G570/G575 Hardware Maintenance Manual
Perform operational charging. Checking the battery pack
Battery charging does not...
Hardware Maintenance Manual - Page 28
... any Lenovo computer: the power-on password (POP) and the supervisor password (SVP). The password must be entered before an operating system can be made available to the servicer, there is turned on ... system is entered. The computer does not start until the password is booted. Lenovo G470/G475/G570/G575 Hardware Maintenance Manual
When you use the recovery discs to 2 hours. Please follow...
Hardware Maintenance Manual - Page 30
... the power button. Also, the computer goes into hibernation mode, perform that action: - Closing the lid. - Lenovo G470/G475/G570/G575 Hardware Maintenance Manual
Hibernation mode
In hibernation mode, the following conditions: •• If a "hibernation time" has... off. The hibernation file in suspend mode. When the power is turned on, the computer returns from the hard disk drive.
26
Hardware Maintenance Manual - Page 34
Lenovo G470/G475/G570/G575 Hardware Maintenance Manual
...Table 2. Blinking amber (100ms off/3.2s on
battery power with the remaining
power between
20% and 80% of its capacity.
Off:
All the wireless devices (WLAN/Bluetooth) are
disabled.
White:
The remaining power of the battery is on , do not put the computer into standby mode or turn...
Hardware Maintenance Manual - Page 35
Lenovo G470/G475/G570/G575
Fn key combinations
The following table shows the function of each combination of the LCD screen. Fn + F1:
Enter sleep mode.
Fn +...Fn + End:
Activate the break function. Fn + PgDn (G470/G475): Activate the insert function.
Fn + F2:
Turn on/off ).
Fn + F10:
Stop playback of Windows Media Player.
Fn + / :
Increase/Decrease sound volume.
31...
Hardware Maintenance Manual - Page 36
...the following country specifications.
32 Use a new one should be used only once. Lenovo G470/G475/G570/G575 Hardware Maintenance Manual
FRU replacement notices
This section presents notices related to the "Torque"...the screw kit in the table. Tighten screws as follows: •• Plastic to plastic
Turn an additional 90° after the screw head touches the surface of the plastic part:
more...
Hardware Maintenance Manual - Page 37
...all power cords from electrical outlets, remove the battery pack, and then disconnect any FRU, turn it in the direction as given by the arrow in the figure. 7.
Do not attempt ... the procedures. Metallic parts or metal flakes can be removed before the failing
FRU. Lenovo G470/G475/G570/G575
Removing and replacing an FRU
This section presents exploded figures with one hand or using ...
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