Lenovo L430 User's Guide Page 153
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•Problem:Thescreenisunreadableordistorted.
Solution:Ensurethat:
–Thedisplaydevicedriverisinstalledcorrectly.
–Thescreenresolutionandcolorqualityarecorrectlyset.
–Themonitortypeiscorrect.
Tocheckthesesettings,dothefollowing:
1.Right-clickonthedesktop,andclickPersonalize.
2.ClickDisplayattheleft.
3.SelectChangedisplaysettings.Checkwhetherthescreenresolutioniscorrectlyset.
4.ClickAdvancedSettings.
5.ClicktheAdaptertab.
6.Ensurethatthecorrectdevicedrivernameisshownintheadapterinformationwindow.
Note:Thedevicedrivernamedependsonthevideochipthathasbeeninstalledonyourcomputer.
7.ClickthePropertiesbutton.Ifyouarepromptedforanadministratorpasswordorconrmation,type
thepasswordorprovideconrmation.Checkthe“Devicestatus”boxandensurethedeviceis
workingproperly.Ifnot,clicktheTroubleshootbutton.ClosethePropertieswindow.
8.ClicktheMonitortab.Checkwhetherthecolorqualityiscorrectlyset,ensurethatotherinformation
isalsocorrect.
9.ClickthePropertiesbutton.Ifyouarepromptedforanadministratorpasswordorconrmation,type
thepasswordorprovideconrmation.Checkthe“Devicestatus”boxandensurethatthedeviceis
workingproperly.Ifnot,clicktheTroubleshootbuttonandfollowtheinstructionsonthescreen.
•Problem:Incorrectcharactersappearonthescreen.
Solution:Didyouinstalltheoperatingsystemorapplicationprogramcorrectly?Iftheyareinstalledand
conguredcorrectly,havethecomputerserviced.
•Problem:Thescreenstaysonevenafteryouturnoffyourcomputer.
Solution:Pressandholdthepowerbuttonfor4secondsorovertoturnoffyourcomputer,thenturn
itonagain.
•Problem:Missing,discolored,orbrightdotsappearonthescreeneverytimeyouturnonyourcomputer.
Solution:ThisisanintrinsiccharacteristicoftheTFTtechnology.Yourcomputer'sdisplaycontains
multiplethin-lmtransistors(TFTs).Asmallnumberofmissing,discolored,orbrightdotsonthescreen
mightexistallthetime.
Externalmonitorproblems
•Problem:Theexternalmonitorisblank.
Solution:Tobringuptheimage,pressFn+F7andselectthedesiredmonitor.Iftheproblempersists,
dothefollowing:
1.Connecttheexternalmonitortoanothercomputertoensurethatitworks.
2.Reconnecttheexternalmonitortoyourcomputer.
3.Refertothemanualshippedwiththeexternalmonitortochecktheresolutionsandrefreshratesthat
aresupported.
–Iftheexternalmonitorsupportsthesameresolutionasthecomputerdisplayorahigherresolution,
viewoutputontheexternalmonitororonboththeexternalmonitorandthecomputerdisplay.
Chapter10.Troubleshootingcomputerproblems135
- UserGuide 1
- SecondEdition(May2012) 2
- Contents 3
- AppendixB.WEEEandrecycling 5
- AppendixC.ENERGYSTARmodel 5
- AppendixD.Notices.........163 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 24
- Statusindicators 26
- Machinetypeandmodellabel 27
- 10UserGuide 28
- CerticateofAuthenticitylabel 29
- Features 30
- Specications 31
- Operatingenvironment 32
- Chapter1.ProductOverview15 33
- ThinkVantageapplications 34
- Chapter1.ProductOverview17 35
- Chapter2.Usingyourcomputer 37
- Specialkeysandbuttons 39
- Functionkeycombinations 39
- Volumeandmutebuttons 41
- Windowskey 42
- Usingthetouchpad 44
- Powermanagement 45
- Checkingbatterystatus 45
- Usingtheacpoweradapter 45
- Chargingthebattery 46
- Maximizingbatterylife 46
- Managingyourbatterypower 46
- Chapter2.Usingyourcomputer29 47
- Handlingthebattery 48
- Connectingtothenetwork 49
- Ethernetconnections 50
- Wirelessconnections 50
- UsingBluetooth 51
- UsingWiMAX 52
- Chapter2.Usingyourcomputer35 53
- Presentationsandmultimedia 54
- Changingdisplaysettings 54
- UsingtheDVImonitor 55
- Settingupapresentation 56
- Usingdualdisplays 56
- Usingaudiofeatures 57
- Usingtheintegratedcamera 58
- Usingtheopticaldiskdrive 59
- Chapter3.Youandyourcomputer 61
- Accessibilityinformation 62
- Travelingwithyourcomputer 63
- Traveltips 63
- Travelaccessories 64
- Chapter4.Security 65
- Power-onpassword 66
- Harddiskpasswords 66
- Chapter4.Security49 67
- Supervisorpassword 68
- Chapter4.Security51 69
- Harddisksecurity 70
- Settingthesecuritychip 71
- Usingangerprintreader 72
- Chapter4.Security55 73
- Understandingandusingrewalls 74
- Protectingdataagainstviruses 75
- 58UserGuide 76
- Chapter5.Recoveryoverview 77
- Usingrecoverymedia 78
- Performingabackupoperation 78
- Performingarecoveryoperation 79
- Creatingandusingarescuemedium 80
- Creatingarescuemedium 80
- Usingarescuemedium 80
- Chapter5.Recoveryoverview63 81
- Solvingrecoveryproblems 82
- Chapter6.Replacingdevices 83
- ReplacingtheSIMcard 85
- Chapter6.Replacingdevices69 87
- Replacingthekeyboard 88
- 1 and 2 andremovethecover 89
- Chapter6.Replacingdevices71 89
- 1.Attachtheconnector 91
- .Replacingdevices73 91
- Chapter6.Replacingdevices75 93
- Replacingtheopticaldiskdrive 95
- Chapter6.Replacingdevices79 97
- 80UserGuide 98
- Chapter6.Replacingdevices81 99
- 7.Removethecard 101
- .Replacingdevices83 101
- Chapter6.Replacingdevices85 103
- 86UserGuide 104
- .Replacingdevices87 105
- Replacingthebackupbattery 106
- Chapter6.Replacingdevices89 107
- 90UserGuide 108
- FindingThinkPadoptions 109
- Frontview 110
- Rearview 112
- Securityfeature 118
- Usingthesystemlockkey 119
- 102UserGuide 120
- Chapter8.Advancedconguration 121
- Installingdevicedrivers 123
- InstallingthedriverforUSB3.0 123
- ThinkPadSetup 124
- Mainmenu 125
- Congmenu 125
- 108UserGuide 126
- .Advancedconguration109 127
- 110UserGuide 128
- Date/Timemenu 129
- Securitymenu 130
- .Advancedconguration113 131
- 114UserGuide 132
- .Advancedconguration115 133
- Startupmenu 134
- Restartmenu 136
- UpdatingyoursystemUEFIBIOS 136
- Usingsystemmanagement 136
- Systemmanagement 137
- Settingmanagementfeatures 137
- Chapter9.Preventingproblems 139
- Takingcareofyourcomputer 141
- 126UserGuide 144
- Diagnosingproblems 145
- Troubleshooting 145
- Computerstopsresponding 145
- Spillsonthekeyboard 146
- Errormessages 146
- Errorswithoutmessages 148
- Beeperrors 149
- Memorymoduleproblems 149
- Networkingproblems 149
- Ethernetproblems 150
- AwirelessLANproblem 151
- AwirelessWANproblem 151
- Bluetoothproblems 151
- Akeyboardproblem 152
- Computerscreenproblems 152
- Externalmonitorproblems 153
- Audioproblems 156
- Fingerprintreaderproblems 157
- Batteryandpowerproblems 157
- Anacpoweradapterproblem 158
- Powerproblems 158
- Apowerbuttonproblem 159
- Bootproblems 159
- Sleepandhibernationproblems 159
- Harddiskdriveproblems 160
- Asolidstatedriveproblem 161
- Opticaldriveproblems 161
- Asoftwareproblem 162
- 146UserGuide 164
- Chapter11.Gettingsupport 165
- Usingdiagnosticprograms 166
- LenovoSupportWebsite 166
- CallingLenovo 166
- Purchasingadditionalservices 167
- 150UserGuide 168
- Wirelessrelatedinformation 169
- Exportclassicationnotice 171
- Electronicemissionnotices 171
- Directive 172
- 156UserGuide 174
- EUWEEEstatements 175
- Japanrecyclingstatements 175
- RecyclinginformationforBrazil 176
- 160UserGuide 178
- ©CopyrightLenovo2012 179
- 5.ClickthePowerManagementtab 180
- 7.ClickOK 180
- 162UserGuide 180
- AppendixD.Notices 181
- Trademarks 182
- PartNumber: 184
- (1P)P/N: 184
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