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Lenovo G 560 Service Manual

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Important service information
Use  the  following  strategy  to  prevent  unnecessary  expense  for  replacing  and servicing FRUs:
If you are instructed to replace an FRU, but the replacement does not solve • the problem, reinstall the original FRU before you continue.
Some  computers  have  both  a  processor  board  and  a  system  board.  If  you • are instructed to replace either of them, and replacing one of them does not solve the problem, reinstall that board, and then replace the other one....

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Lenovo G560 Hardware Maintenance Manual
Important information about replacing RoHS compliant FRUs
R o H S ,   T h e   R e s t r i c t i o n   o f   H a z a r d o u s   S u b s t a n c e s   i n   E l e c t r i c a l   a n d Electronic  Equipment  Directive  (2002/95/EC)  is  a  European  Union  legal requirement affecting the global electronics industry. RoHS requirements must  be  implemented  on  Lenovo  products  placed  on  the  market  after June  2006.  Products  on  the  market  before  June...

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General checkout 
General checkout 
This chapter presents the following information:
• “What to do first” on page 20
• “Power system checkout” on page 21
Before you go to the checkout, make sure to read the following important notes:
Important notes:
•	 Only	certified	trained	personnel	can	service	the	computer.
•	 Before	replacing 	any 	FRU, 	read 	the 	entire 	page 	on 	removing 	and 	replacing	
FRUs.
•	 When	you	replace	FRUs,	use	new	nylon-coated	screws.
•	 Be 	extremely 	careful 	during 	such...

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Lenovo G560 Hardware Maintenance Manual
What to do first
When  you  do  return  an  FRU,  you  must  include  the  following  information  in  the parts exchange form or parts return form that you attach to it:
1. Name and phone number of servicer
2. Date of service
3. Date on which the machine failed
4. Date of purchase
5. Procedure index and page number in which the failing FRU was detected 
6. Failing FRU name and part number
7. Machine type, model number, and serial number
8. Customer’s name and...

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General checkout 
Power system checkout
To verify a symptom, follow the steps below:
1. Turn off the computer.
2. Remove the battery pack.
3. Connect the AC adapter.
4. Make sure that power is supplied when you turn on the computer.
5. Turn off the computer.
6. Disconnect the AC adapter and install the charged battery pack.
7. Make  sure  that  the  battery  pack  supplies  power  when  you  turn  on  the computer.
If you suspect a power problem, see the appropriate one of the following\
 power supply...

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Lenovo G560 Hardware Maintenance Manual
Perform  operational  charging.  If  the  battery  status  indicator  or  icon  does  not light on, remove the battery pack and let it return to room temperature. Reinstall the  battery  pack.  If  the  charge  indicator  or  icon  is  still  off,  replace  the  battery pack.
If  the  charge  indicator  still  does  not  light  on,  replace  the  system  board.  Then reinstall the battery pack. If it is still not charged, go to the next section.
Checking the...

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Related service information
Related service information
This chapter presents the following information:
• “Restoring the factory contents by using OneKey Recovery” on page 23
• “Passwords” on page 24
• “Power management” on page 25
Restoring the factory contents by using OneKey Recovery
Restore of factory default
The Lenovo G560 computers come with pre-installed OneKey Rescue System.In  order  to  save  application  files  and  the  initial  backed  up  files  of  the  system, the  hard  disk  in  a...

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Lenovo G560 Hardware Maintenance Manual
When  you  use  the  recovery discs  to  boot  your  computer,  the  system  will  enter the  user  interface  for  system  recovery  automatically.  Please  follow  the  prompt to insert the backup discs to complete the whole recovery process. 
Note: The recovery process might take up to 2 hours. 
Passwords
As  many  as  two  passwords  may  be  needed  for  any  Lenovo  computer:  the power-on password (POP) and the supervisor password (SVP).
If  any  of...

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Related service information
Power management
Note: Power management modes are not supported for APM operating system.
To  reduce  power  consumption,  the  computer  has  three  power  management modes: screen blank, sleep (standby), and hibernation.
Screen blank mode
If  the  time  set  on  the  “Turn  off  monitor”  timer  in  the  operating  system  expires, the LCD backlight turns off. You can also turn off the LCD backlight by pressing  Fn+F2. 
To end screen blank mode and resume normal...

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Lenovo G560 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.• 
The system is powered off.• 
To cause the computer to enter hibernation mode, follow the steps below:
If  you  are  using  the  ACPI  operating  system  and  have  defined  one  of  the • following  actions  as  the  event  that  causes  the  system  to  go  into  hibernation mode, perform that action: 
– Closing the lid.
–...
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