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•PressFn+F2toconrmwhethertheLCDscreenhasbeenturnedoff.
Iftheproblempersist,followthesolutionto“Thescreenisunreadableordistorted.”onpage49
Thescreenisunreadableordistorted.
Makesurethat:
•Thedisplaydevicedriverisinstalledcorrectly.
•Thescreenresolutionandcolorqualityarecorrectlyset.
•Themonitortypeiscorrect.
Incorrectcharactersaredisplayedonthescreen.
Didyouinstalltheoperatingsystemorapplicationprogramcorrectly?Iftheyareinstalledandcongured
correctly,havethecomputerserviced.
WhenIturnonthecomputer,nothingisdisplayedonthescreenandthecomputerdoesnotbeep
whilestartingup.
Makesurethat:
•Thebatteryisinstalledcorrectly.
•Theacpoweradapterisconnectedtothecomputerandthepowercordispluggedintoaworking
electricaloutlet.
•Thecomputeristurnedon.(Pressthepowerbuttonagainforconrmation.)
Iftheseitemsarecorrectlyset,andthescreenremainsblank,havethecomputerserviced.
WhenIturnonthecomputer,onlyawhitecursorisdisplayedonablankscreen.
Restorebacked-uplestoyourWindowsenvironmentortheentirecontentsofyourharddiskdriveto
theoriginalfactorycontentsusingthepreinstalledrecoveryprogramsonyourcomputer.Iftheproblem
persists,havethecomputerserviced.
Myscreengoesblankwhilethecomputerison.
Yourscreensaverorpowermanagementmaybeenabled.Dooneofthefollowingtoexitfromthescreen
saverortoresumefromsleeporhibernationmode:
•Touchthetouchpad.
•PresstheFnkeyonthekeyboard.
•Pressthepowerbutton.
•PressFn+F2toconrmwhethertheLCDscreenhasbeenturnedoff.
Problemswithdrivesandotherstoragedevices
Thissectionincludesharddiskdriveproblemsandopticaldriveproblems.
Harddiskdriveproblems
Printtheseinstructionsnowandkeepitwithyourcomputerforreferencelater.
Theharddiskdrivemakesarattlingnoiseintermittently.
Therattlingnoisemightbeheard:
•Whentheharddiskdrivebeginsornishesgettingaccesstodata.
•Whenyoucarrytheharddiskdrive.
Chapter9.Troubleshootingcomputerproblems49
- UserGuide 1
- SecondEdition(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
- Figure1.Topview 15
- Left-sideview 16
- Right-sideview 17
- Frontview 18
- Bottomview 19
- Statusindicators 19
- Figure6.Statusindicators 20
- Features 21
- Specications 22
- Chapter2.Usingyourcomputer 23
- Tipsonusingyourcomputer 24
- Readingthemanuals 24
- Connectingtopower 24
- Turningonthecomputer 24
- Conguringtheoperatingsystem 24
- Checkingthebatterystatus 25
- Usingtheacpoweradapter 26
- Chargingthebattery 26
- Maximizingthebatterylife 27
- Handlingthebattery 27
- Usingthetouchpad 28
- Usingthekeyboard 28
- Numerickeypad 28
- Chapter2.Usingyourcomputer15 29
- Usingtherecoverybutton 30
- Functionkeycombinations 30
- Chapter2.Usingyourcomputer17 31
- Connectingtoexternaldevices 32
- Usingthemediacardreader 32
- UsingUSBconnectors 33
- 20UserGuide 34
- Wiredconnection 35
- Hardwareconnection 35
- Softwareconguration 36
- Wirelessconnection 36
- 24UserGuide 38
- Chapter4.Youandyourcomputer 39
- Chapter5.Security 41
- 28UserGuide 42
- Chapter6.Recoveryoverview 43
- .Recoveryoverview31 45
- 32UserGuide 46
- Chapter7.Replacingdevices 47
- Replacingthebackupbattery 48
- 1,andthenremovethecover2 49
- Chapter7.Replacingdevices35 49
- Replacingtheharddiskdrive 50
- Replacingamemorymodule 51
- 5;thenpressitinrmly6 52
- 4andthecardpopsup 53
- Chapter7.Replacingdevices39 53
- Removingtheopticaldrive 54
- 3thatsecurestheopticaldrive 55
- 5toremoveit 55
- Chapter7.Replacingdevices41 55
- 42UserGuide 56
- Chapter8.Preventingproblems 57
- Takingcareofyourcomputer 58
- Chapter8.Preventingproblems45 59
- Troubleshooting 61
- Batteryandpowerproblems 61
- Computerscreenproblems 62
- Harddiskdriveproblems 63
- Apasswordproblem 64
- Asoundproblem 65
- Otherproblems 65
- 52UserGuide 66
- Wirelessrelatedinformation 67
- ENERGYSTARmodelinformation 68
- Exportclassicationnotice 69
- Electronicemissionnotices 69
- 58UserGuide 72
- ChinaWEEEstatement 73
- ImportantWEEEInformation 73
- Japanrecyclingstatements 73
- RecyclinginformationforBrazil 74
- 62UserGuide 76
- ChinaRoHS 77
- TurkishRoHS 77
- UkraineRoHS 77
- IndiaRoHS 78
- AppendixD.Notices 79
- Trademarks 80
- 68UserGuide 82
- PartNumber: 84
- PrintedinChina 84
- (1P)P/N: 84
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