Lenovo B575e Notebook User Manual Page 69
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Chapter9.Troubleshootingcomputerproblems
Thischapterprovidesinformationonwhattodoifyouexperienceaproblemwithyourcomputer.
NoticeforusersinU.S.A
•Ifyourproductisnotworkingcorrectly,DONOTRETURNITTOTHESTORE.
•Fortechnicalassistance,contactaLenovosupportspecialist24hoursadaybycallingtollfree1-877-4LENOVO
(1-877-453-6686).
•Additionally,youcanndsupportinformationandupdatesontheLenovoWebsitelocatedat
http://www.lenovo.com/support.
Troubleshooting
Tomakesurethatyourcomputerhasthefeaturesthatareintroducedinthefollowingsections,consultthe
onlinehelporthelistshippedwithyourcomputer.
Batteryandpowerproblems
Thistopiccontainsinstructionsontroubleshootingbatteryandpowerproblems.
Batteryproblems
Printtheseinstructionsnowandkeepitwithyourcomputerforreferencelater.
Thebatterypackcannotbefullychargedinthestandardchargetimewhenthecomputerispowered
off.
Thebatterypackmightbeover-discharged.Dothefollowing:
1.Turnoffthecomputer.
2.Makesurethattheover-dischargedbatterypackisinthecomputer.
3.Connecttheacpoweradaptertothecomputerandletitcharge.
Ifaquickchargerisavailable,useittochargetheover-dischargedbatterypack.
Ifthebatterypackcannotbefullychargedin24hours,useanewbatterypack.
Yourcomputershutsdownbeforethebatterystatusindicatorshowsempty,oryourcomputer
operatesafterthebatterystatusindicatorshowsempty.
Dischargeandrechargethebatterypack.
Theoperatingtimeforafullychargedbatterypackisshort.
Dischargeandrechargethebatterypack.Ifyourbatteryoperatingtimeisstillshort,useanewbatterypack.
Thecomputerdoesnotoperatewithafullychargedbatterypack.
Thesurgeprotectorinthebatterypackmightbeactive.Turnoffthecomputerforoneminutetoresetthe
protector;thenturnonthecomputeragain.
©CopyrightLenovo2012
55
- UserGuide 1
- ThirdEdition(December2012) 2
- ©CopyrightLenovo2012 2
- Contents 3
- Readthisrst 5
- Importantsafetyinformation 6
- Safetyguidelines 7
- Powercordsandpoweradapters 8
- Plugsandoutlets 8
- Powersupplystatement 9
- Externaldevices 9
- Generalbatterynotice 9
- Rechargeablebatterynotice 10
- Lithiumcoincellbatterynotice 10
- Heatandproductventilation 11
- Lasercompliancestatement 12
- Usingheadphonesorearphones 13
- Additionalsafetyinformation 13
- Savetheseinstructions 14
- Statusindicators 16
- Powerbutton 16
- Left-sideview 17
- 1 2 3 4 5 6 18
- Right-sideview 19
- Frontview 20
- Bottomview 21
- Features 23
- Specications 24
- 12UserGuide 26
- Chapter2.Usingyourcomputer 27
- Tipsonusingyourcomputer 28
- Readingthemanuals 28
- Connectingtopower 28
- Turningonthecomputer 28
- Conguringtheoperatingsystem 28
- Checkingthebatterystatus 29
- Usingtheacpoweradapter 30
- Chargingthebattery 30
- Maximizingthebatterylife 30
- Handlingthebattery 31
- Usingthetouchpad 31
- 18UserGuide 32
- Usingtherecoverybutton 33
- Usingthekeyboard 33
- Numerickeypad 33
- Functionkeycombinations 34
- Chapter2.Usingyourcomputer21 35
- Usingthemediacardreader 36
- InsertinganSDcard 36
- RemovinganSDcard 36
- Wiredconnection 37
- Hardwareconnection 37
- Softwareconguration 38
- Wirelessconnection 38
- 26UserGuide 40
- Chapter4.Youandyourcomputer 41
- Chapter5.Security 43
- 30UserGuide 44
- Chapter6.Recoveryoverview 45
- .Recoveryoverview33 47
- 34UserGuide 48
- Chapter7.Replacingdevices 49
- Replacingthebackupbattery 50
- 1,andthenremovethecover2 51
- Chapter7.Replacingdevices37 51
- Replacingtheharddiskdrive 53
- Chapter7.Replacingdevices41 55
- Replacingamemorymodule 57
- Chapter7.Replacingdevices45 59
- 4andthecardpopsup 60
- Chapter7.Replacingdevices47 61
- Removingtheopticaldrive 63
- Chapter8.Preventingproblems 65
- Takingcareofyourcomputer 66
- Chapter8.Preventingproblems53 67
- Troubleshooting 69
- Batteryandpowerproblems 69
- Computerscreenproblems 70
- Harddiskdriveproblems 71
- Apasswordproblem 72
- Asoundproblem 73
- Otherproblems 73
- 60UserGuide 74
- Wirelessrelatedinformation 75
- Exportclassicationnotice 76
- Electronicemissionnotices 76
- ChinaWEEEstatement 79
- ImportantWEEEInformation 79
- Japanrecyclingstatements 79
- RecyclinginformationforBrazil 80
- 68UserGuide 82
- ChinaRoHS 83
- TurkishRoHS 83
- UkraineRoHS 83
- IndiaRoHS 84
- AppendixD.Notices 85
- ENERGYSTARmodelinformation 86
- Trademarks 86
- AppendixD.Notices73 87
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