Lenovo Flex 5 User Guide

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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.\
 
• If an adapter...

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Lenovo ideapad FLEX 5-1470/Lenovo ideapad FLEX 5-1570 
Hardware Maintenance Manual
Important information about replacing RoHS compliant FRUs
RoHS, The Restriction of Hazardous Substances in Electrical and 
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 2006 are not required to 
have RoHS...

19
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.
•	 Car

efully
	r
 emove
	scr
 ews
	for	r
 euse
	when	r
 eplacing
	FRUs.
•

	 Be
	ex
 tremely
	ca
 reful...

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Lenovo ideapad FLEX 5-1470/Lenovo ideapad FLEX 5-1570 
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...

21
General checkout 
Power system checkout
To verify a symptom, follow the steps below:
1. Turn off the computer.
2. Connect the AC adapter.
3. Make sure that power is supplied when you turn on the computer.
4. Turn off the computer.
5. Disconnect the AC adapter.
6. Make sure that the battery pack supplies power when you turn on the computer.
If you suspect a power problem, see the appropriate power supply checkou\
t:
• “Checking the AC adapter” on page 21
• “Checking operational charging ” on page 22...

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Hardware Maintenance Manual
Checking operational charging
To check whether the battery charges properly during operation, use a 
discharged battery pack or a battery pack that has less than 50% of the total 
power remaining when installed in the computer. 
Perform operational charging. If the battery status indicator or icon is\
 not lit, 
remove the battery pack and let it return to room temperature. Reinstall\
 the 
battery pack. If the charge...

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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 ideapad FLEX 5-1470/Lenovo ideapad FLEX 5-1570 computer 
comes with pre-installed OneKey Recovery System.In order to save application 
files and the initial backed up files of...

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Lenovo ideapad FLEX 5-1470/Lenovo ideapad FLEX 5-1570 
Hardware Maintenance Manual
Passwords
As many as three passwords may be needed for any Lenovo computer: the 
power-on password (POP), the hard disk password (HDP), and the supervisor 
password.
If any of these passwords has been set, a prompt for it appears on the screen 
whenever the computer is turned on. The computer does not start until the 
password is entered.
Power-on password
A power-on password (POP) protects the system from being powered...

25
Related service information
Power management
Note: Power management modes are not supported for an APM operating 
system.
Putting the computer to sleep or shutting it down
When you have finished working with your computer, you can put it to sleep or 
shut it down.
Putting your computer to sleep
If you will be away from your computer for only a short time, put the co\
mputer to 
sleep. When the computer is in sleep mode, you can quickly wake it to resume 
use, bypassing the startup process. 
To put the...

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Lenovo ideapad FLEX 5-1470/Lenovo ideapad FLEX 5-1570 
Hardware Maintenance Manual
Lenovo ideapad FLEX 5-1470/Lenovo ideapad FLEX 5-1570
This chapter presents the following product-specific service references and 
product-specific parts information:
• “Specifications” on page 26
• “Status indicators ” on page 27
• “Keyboard function keys ” on page 28
• “FRU replacement notices ” on page 29
• “Removing and replacing an FRU ” on page 30
• “Locations” on page 62
• “Parts list” on page 65
Specifications...