Support User Manuals

Lenovo Y400 Series Laptop User Manual

Open as PDF

of 66

Lenovo Notebook Computer User Guide

65

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

previous