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•PressFn+F2toconrmwhethertheLCDscreenhasbeenturnedoff.
Iftheproblempersist,followthesolutionto“Thescreenisunreadableordistorted.”onpage57
.
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
theoriginalfactorycontentsusingtheOneKeyRecoveryProprogram.Ifyoustillseeonlythecursoron
thescreen,havethecomputerserviced.
Myscreengoesblankwhilethecomputerison.
Yourscreensaverorpowermanagementmaybeenabled.Dooneofthefollowingtoexitfromthescreen
saverortoresumefromsleeporhibernationmode:
•Touchthetouchpadorclickpad.
•Pressanykeyonthekeyboard.
•Pressthepowerbutton.
•PressFn+F2toconrmwhethertheLCDscreenhasbeenturnedoff.
Problemswithdrivesandotherstoragedevices
Thissectionincludesharddiskdriveproblemsandopticaldriveproblems.
Harddiskdriveproblems
Printtheseinstructionsnowandkeepitwithyourcomputerforreferencelater.
Theharddiskdrivemakesarattlingnoiseintermittently.
Therattlingnoisemightbeheard:
•Whentheharddiskdrivebeginsornishesgettingaccesstodata.
•Whenyoucarrytheharddiskdrive.
Chapter9.Troubleshootingcomputerproblems57
- UserGuide 1
- SecondEdition(June2012) 2
- ©CopyrightLenovo2012 2
- Contents 3
- AppendixB.WEEEandrecycling 4
- AppendixC.Notices..........69 4
- Index..................71 4
- Readthisrst 5
- Importantsafetyinformation 6
- Safetyguidelines 7
- Powercordsandpoweradapters 8
- Plugsandoutlets 9
- Powersupplystatement 9
- Externaldevices 9
- Generalbatterynotice 10
- Rechargeablebatterynotice 10
- Lithiumcoincellbatterynotice 11
- Heatandproductventilation 12
- CDandDVDdrivesafety 13
- Lasercompliancestatement 14
- Usingheadphonesorearphones 14
- Additionalsafetyinformation 15
- Speakers 18
- Numerickeypad 18
- Powerbutton 18
- Statusindicators 18
- Left-sideview 19
- Right-sideview 20
- Frontview 20
- Bottomview 21
- Features 23
- Specications 24
- 10UserGuide 26
- Chapter2.Usingyourcomputer 27
- Checkingthebatterystatus 29
- Usingtheacpoweradapter 29
- Chargingthebattery 30
- Maximizingthebatterylife 30
- Handlingthebattery 30
- Usingthetouchpad 31
- Usingthekeyboard 32
- Functionkeycombinations 33
- Connectingtoexternaldevices 34
- Usingthemediacardreader 34
- UsingUSBconnectors 35
- UsingBluetooth 35
- 20UserGuide 36
- Wiredconnection 37
- Hardwareconnection 37
- Softwareconguration 38
- Wirelessconnection 38
- 24UserGuide 40
- Chapter4.Youandyourcomputer 41
- Chapter5.Security 43
- 28UserGuide 44
- Chapter6.OneKeyRecoveryPro 45
- Chapter7.Replacingdevices 47
- Replacingthebackupbattery 48
- 1,andthenremovethecover2 49
- Chapter7.Replacingdevices33 49
- Replacingtheharddiskdrive 51
- Chapter7.Replacingdevices37 53
- Replacingthekeyboard 54
- Chapter7.Replacingdevices39 55
- Chapter7.Replacingdevices41 57
- Replacingamemorymodule 58
- Chapter7.Replacingdevices43 59
- Chapter7.Replacingdevices45 61
- 4andthecardpopsup 62
- Chapter7.Replacingdevices47 63
- Removingtheopticaldrive 64
- 3thatsecurestheopticaldrive 65
- Chapter7.Replacingdevices49 65
- Chapter8.Preventingproblems 67
- Takingcareofyourcomputer 68
- Chapter8.Preventingproblems53 69
- Troubleshooting 71
- Batteryandpowerproblems 71
- Computerscreenproblems 72
- Harddiskdriveproblems 73
- Apasswordproblem 74
- Asoundproblem 75
- Otherproblems 75
- 60UserGuide 76
- Wirelessrelatedinformation 77
- Exportclassicationnotice 78
- Electronicemissionnotices 78
- ChinaWEEEstatement 81
- EUWEEEstatements 81
- Japanrecyclingstatements 81
- RecyclinginformationforBrazil 82
- 68UserGuide 84
- AppendixC.Notices 85
- Trademarks 86
- 72UserGuide 88
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