Lenovo Y400 Product User's guide - Page 65

Service support system

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Lenovo Notebook Computer User Guide z See if the battery interface is damaged. z Protect the battery according to the previous chapters. z Battery life will shorted over time after charging and discharging. It's a normal phenomenon. z If problems still exist, contact a Lenovo licensed service agency. 4.2.9 LCD is black z See if your computer is in Hibernation mode. z See if you have made the following configuration for Power Management: "shut down LCD screen after some time". z See if your computer is connected to any external display device and you have switched to it. 4.3 Service support system Except the maintenance and troubleshooting actions we recommend, we strongly recommend: Do not disassemble your computer; do not maintain, repair or restructure the computer by yourself or by agencies that are not licensed by Lenovo. Contact Lenovo licensed service agencies for maintenance and repair services. You can get free or charging services on the basis of Lennon's service policies. You also can contact service support systems of Lenovo to get more service information. 4.3.1 Warranty service telephone numbers The phone numbers provided later in this section are correct at time of printing and are subject to change without notice. For the latest warranty service contact telephone number in a country, contact 65

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Lenovo Notebook Computer User Guide
65
See if the battery interface is damaged.
Protect the battery according to the previous chapters.
Battery life will shorted over time after charging and discharging.
It’s a normal phenomenon.
If problems still exist, contact a Lenovo licensed service agency.
4.2.9
LCD is black
See if your computer is in Hibernation mode.
See if you have made the following configuration for Power
Management: “shut down LCD screen after some time”.
See if your computer is connected to any external display device
and you have switched to it.
4.3
Service support system
Except
the
maintenance
and
troubleshooting
actions
we
recommend, we strongly recommend:
Do not disassemble your
computer; do not maintain, repair or restructure the computer by
yourself or by agencies that are not licensed by Lenovo.
Contact Lenovo licensed service agencies for maintenance and
repair services. You can get free or charging services on the basis of
Lennon’s service policies.
You also can contact service support systems of Lenovo to get more
service information.
4.3.1
Warranty service telephone numbers
The phone numbers provided later in this section are correct at time
of printing and are subject to change without notice. For the latest
warranty service contact telephone number in a country, contact