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Problem:Thescreenisunreadableordistorted.
Solution:Makesurethat:
•Thedisplaydevicedriverisinstalledcorrectly.
•Thescreenresolutionandcolorqualityarecorrectlyset.
•Themonitortypeiscorrect.
Tocheckthesesettings,dothefollowing:
1.Right-clickonthedesktop,andclickPersonalize.
2.ClickDisplayattheleft.
3.SelectChangedisplaysettings.Checkwhetherthescreenresolutioniscorrectlyset.
4.ClickAdvancedSettings.
5.ClicktheAdaptertab.
6.Makesurethatthecorrectdevicedrivernameisshownintheadapterinformationwindow.
Note:Thedevicedrivernamedependsonthevideochipthathasbeeninstalledonyourcomputer.
7.ClickthePropertiesbutton.Ifyouarepromptedforanadministratorpasswordorconrmation,type
thepasswordorprovideconrmation.ChecktheDevicestatusboxandmakesurethatthedeviceis
workingcorrectly.Ifnot,clicktheTroubleshootbuttonandfollowtheinstructionsonthescreen.
8.ClicktheMonitortab.Checkwhetherthecolorqualityiscorrectlyset,andmakesurethattheother
informationalsoiscorrect.
9.ClickthePropertiesbutton.Ifyouarepromptedforanadministratorpasswordorconrmation,type
thepasswordorprovideconrmation.ChecktheDevicestatusboxandmakesurethatthedeviceis
workingcorrectly.Ifnot,clicktheTroubleshootbuttonandfollowtheinstructionsonthescreen.
Problem:Incorrectcharactersaredisplayedonthescreen.
Solution:Didyouinstalltheoperatingsystemorapplicationprogramcorrectly?Iftheyareinstalledand
conguredcorrectly,havethecomputerserviced.
Problem:Thescreenstaysonevenafteryouturnoffyourcomputer.
Solution:Pressandholdthepowerswitchforfoursecondsormoretoturnoffyourcomputer;thenturn
itonagain.
Problem:Missing,discolored,orbrightdotsappearonthescreeneverytimeyouturnonyourcomputer.
Solution:ThisisanintrinsiccharacteristicoftheTFTtechnology.Yourcomputerdisplaycontainsmultiple
thin-lmtransistors(TFTs).Asmallnumberofmissing,discolored,orbrightdotsonthescreenmight
existallthetime.
Externalmonitorproblems
Problem:Theexternalmonitorisblank.
Solution:Tobringuptheimage,pressFn+F7andselectthedesiredmonitor.Iftheproblempersists,
dothefollowing:
1.Connecttheexternalmonitortoanothercomputertomakesurethatitworks.
2.Reconnecttheexternalmonitortoyourcomputer.
Chapter10.Troubleshootingcomputerproblems143
- UserGuide 1
- FirstEdition(May2012) 2
- ©CopyrightLenovo2012 2
- Contents 3
- AppendixB.WEEEandrecycling 5
- AppendixC.Notices.........169 5
- Readthisrst 7
- Importantsafetyinformation 8
- Safetyguidelines 9
- Powercordsandpoweradapters 11
- Plugsandoutlets 12
- Powersupplystatement 12
- Externaldevices 12
- Generalbatterynotice 13
- Rechargeablebatterynotice 13
- Lithiumcoincellbatterynotice 14
- Heatandproductventilation 15
- Lasercompliancestatement 16
- Usingheadphonesorearphones 17
- Additionalsafetyinformation 17
- Chapter1.Productoverview 19
- Right-sideview 21
- Left-sideview 22
- Bottomview 23
- Statusindicators 26
- Machinetypeandmodellabel 27
- 10UserGuide 28
- CerticateofAuthenticitylabel 29
- Features 29
- Specications 31
- Operatingenvironment 31
- Chapter1.Productoverview15 33
- ThinkVantageapplications 34
- Chapter1.Productoverview17 35
- Chapter2.Usingyourcomputer 37
- Specialkeysandbuttons 38
- Functionkeycombinations 38
- Chapter2.Usingyourcomputer21 39
- Volumeandmutebuttons 41
- Windowskey 42
- Usingthetouchpad 44
- Powermanagement 45
- Checkingthebatterystatus 45
- Usingtheacpoweradapter 45
- Chargingthebattery 46
- Maximizingbatterylife 46
- Managingthebatterypower 47
- Power-savingmodes 47
- Handlingthebattery 48
- Chapter2.Usingyourcomputer31 49
- Connectingtothenetwork 50
- Ethernetconnections 50
- Wirelessconnections 50
- Chapter2.Usingyourcomputer33 51
- UsingBluetooth 52
- UsingWiMAX 52
- Chapter2.Usingyourcomputer35 53
- Changingdisplaysettings 54
- Chapter2.Usingyourcomputer37 55
- UsingtheDVImonitor 56
- Settingupapresentation 57
- UsingtheExtenddesktopfunction 58
- Usingaudiofeatures 59
- Usingtheintegratedcamera 59
- Usingtheopticaldrive 60
- Chapter2.Usingyourcomputer43 61
- 44UserGuide 62
- Chapter3.Youandyourcomputer 63
- Adjustingyourcomputertotyou 64
- Accessibilityinformation 65
- Travelingwithyourcomputer 65
- Traveltips 65
- Travelaccessories 66
- Chapter4.Security 67
- Power-onpassword 68
- Harddiskpasswords 68
- Chapter4.Security51 69
- Supervisorpassword 70
- Chapter4.Security53 71
- Harddisksecurity 72
- Settingthesecuritychip 73
- Usingthengerprintreader 74
- Swipingyourngeroverthereader 75
- .Security57 75
- Chapter4.Security59 77
- Usingrewalls 79
- Protectingdataagainstviruses 79
- 62UserGuide 80
- Chapter5.Recoveryoverview 81
- Chapter5.Recoveryoverview65 83
- Creatingandusingarescuemedium 84
- Chapter5.Recoveryoverview67 85
- Solvingrecoveryproblems 86
- Chapter6.Replacingdevices 87
- Chapter6.Replacingdevices71 89
- Replacingtheharddiskdrive 91
- .Replacingdevices75 93
- Replacingthekeyboard 94
- 1.Removethekeyboard2 95
- Chapter6.Replacingdevices77 95
- .Replacingdevices79 97
- Replacingthememorymodule 98
- 1,andthenremovethecover2 99
- 1;thenpressitinrmly2 99
- Chapter6.Replacingdevices81 99
- 2andremoveit3tomake 100
- Chapter6.Replacingdevices83 101
- 7.Removethecard 103
- .Replacingdevices85 103
- 86UserGuide 104
- Chapter6.Replacingdevices87 105
- 88UserGuide 106
- Chapter6.Replacingdevices89 107
- 1.Secure 107
- 1,thenremovethecover2 108
- 1.Thecardpopsup2 109
- Chapter6.Replacingdevices91 109
- 92UserGuide 110
- Chapter6.Replacingdevices93 111
- ReplacingtheSIMcard 112
- ReplacingtheUltrabaydevice 113
- 96UserGuide 114
- FindingThinkPadoptions 115
- Performingahotorawarmswap 115
- Frontview 118
- Rearview 120
- Securityfeature 125
- Usingthesystemlockkey 126
- Chapter8.Advancedconguration 127
- Installingdevicedrivers 129
- ThinkPadSetup 130
- Mainmenu 131
- Congmenu 131
- 114UserGuide 132
- .Advancedconguration115 133
- 116UserGuide 134
- .Advancedconguration117 135
- 118UserGuide 136
- DateandTimemenu 137
- Securitymenu 138
- .Advancedconguration121 139
- 122UserGuide 140
- Startupmenu 141
- Restartmenu 143
- UpdatingyoursystemUEFIBIOS 143
- Usingsystemmanagement 144
- Systemmanagement 144
- Settingmanagementfeatures 144
- 128UserGuide 146
- Chapter9.Preventingproblems 147
- Takingcareofyourcomputer 149
- 134UserGuide 152
- Diagnosingproblems 153
- Troubleshooting 153
- Computerstopsresponding 153
- Spillsonthekeyboard 154
- Errormessages 154
- Errorswithoutmessages 156
- Beeperrors 157
- Memorymoduleproblems 157
- Networkingproblems 157
- AwirelessLANproblem 158
- AwirelessWANproblem 159
- Bluetoothproblems 159
- Keyboardproblems 160
- Computerscreenproblems 160
- Externalmonitorproblems 161
- Audioproblems 164
- Fingerprintreaderproblems 165
- Batteryandpowerproblems 165
- Anacpoweradapterproblem 166
- Powerproblems 166
- Apowerbuttonproblem 167
- Startupproblems 167
- Sleepandhibernationproblems 168
- Harddiskdriveproblems 169
- Asolidstatedriveproblem 169
- Opticaldriveproblems 169
- Softwareproblems 170
- AUSBproblem 171
- 154UserGuide 172
- Chapter11.Gettingsupport 173
- Usingdiagnosticprograms 174
- LenovoSupportWebsite 174
- CallingLenovo 174
- Purchasingadditionalservices 175
- 158UserGuide 176
- Wirelessrelatedinformation 177
- Exportclassicationnotice 179
- Electronicemissionsnotices 179
- Directive 180
- JapaneseVCCIClassBstatement 181
- 164UserGuide 182
- EUWEEEstatements 183
- 168UserGuide 186
- AppendixC.Notices 187
- Trademarks 188
- PartNumber: 190
- PrintedinChina 190
- (1P)P/N: 190
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