Lenovo Y400 Series Laptop User Manual


 
Lenovo Notebook Computer User Guide
65
z Seeifthebatteryinterfaceisdamaged.
z Protectthebatteryaccordingtothepreviouschapters.
z Batterylifewillshortedovertimeaftercharginganddischarging.
It’sanormalphenomenon.
z Ifproblemsstillexist,contactaLenovolicensedserviceagency.
4.2.9LCDisblack
z SeeifyourcomputerisinHibernationmode.
z See if you have made the following configuration for Power
Management:“shutdownLCDscreenaftersometime”.
z Seeifyourcomputerisconnectedtoanyexternaldisplaydevice
andyouhaveswitchedtoit.
4.3 Service support system
Except the maintenance and troubleshooting actions we
recommend, we strongly recommend: Do not disassemble your
computer;donotmaintain,repairorrestructurethecomputerby
yourselforbyagenciesthatarenotlicensedbyLenovo.
Contact Lenovo licensed service agencies for maintenance and
repairservices.Youcangetfreeorchargingservicesonthebasisof
Lennon’sservicepolicies.
YoualsocancontactservicesupportsystemsofLenovotogetmore
serviceinformation.
4.3.1Warrantyservicetelephonenumbers
Thephonenumbersprovidedlaterinthissectionarecorrectattime
ofprintingandaresubjecttochangewithoutnotice.Forthelatest
warranty service contact telephonenumber in a country, contact