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Lenovo Portable Computer User Guide
62
phenomenon.
l If there are still problems, contact Lenovo licensed service
agencies.
4.2.9 LCD is black
See if your computer is in Hibernation mode.
See if you have made the following configuration for EnergyCut:
shut down LCD screen after some time.
See if your computer has 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
Lenovo, or your reseller in your country
• Singapore 800 6012 047