Lenovo T430u User's Guide Page 132
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Keyboardproblems
•Problem:Allorsomekeysonthekeyboarddonotwork.
Solution:Ifanexternalnumerickeypadisconnected:
1.Turnoffthecomputer.
2.Removetheexternalnumerickeypad.
3.Turnonthecomputerandtryusingthekeyboardagain.
Ifthekeyboardproblemisresolved,carefullyreconnecttheexternalnumerickeypadandtheexternal
keyboard.Makesurethatyouhaveseatedtheconnectorscorrectly.
Iftheproblempersists,makesurethatthecorrectdevicedriverisinstalled.
1.ClickStart➙ControlPanel.ChangetheviewofControlPanelfromCategorytoLargeiconsor
Smallicons.
2.ClickKeyboard.
3.SelecttheHardwaretab.IntheDevicePropertiespane,makesurethatyouseethismessage:
DeviceStatus:Thisdeviceisworkingproperly.
Ifkeysonthekeyboardstilldonotwork,havethecomputerserviced.
•Problem:Allorsomekeysontheexternalnumerickeypaddonotwork.
Solution:Makesurethattheexternalnumerickeypadiscorrectlyconnectedtothecomputer.
Problemswiththedisplayandmultimediadevices
Thistopicincludesthemostcommonproblemswithdisplaysandmultimediadevices,includingthe
computerdisplay,theexternalmonitor,andtheaudiodevices.
Computerscreenproblems
•Problem:Thescreenisblank.
Solution:Dothefollowing:
–PressFn+F7tobringuptheimage.
–Ifyouareusingtheacpoweradapter,orusingthebatteryandthePowerManagerbatterygauge
showsthatthebatteryisnotdepleted,pressFn+F9tomakethescreenbrighter.
–Ifyourcomputerisinsleepmode,presspowerbuttontoresumefromthesleepmode.
–Iftheproblempersists,followthesolutionforthefollowingproblem.
•Problem:Thescreenisunreadableordistorted.
Solution:Makesurethat:
–Thedisplaydevicedriverisinstalledcorrectly.
–Thescreenresolutionandcolorqualityarecorrectlyset.
–Themonitortypeiscorrect.
Tocheckthesesettings,dothefollowing:
1.Right-clickonthedesktop,andclickPersonalize.
2.ClickDisplayattheleft.
3.SelectChangedisplaysettings.Checkwhetherthescreenresolutioniscorrectlyset.
4.ClickAdvancedSettings.
5.ClicktheAdaptertab.
6.Makesurethatthecorrectdevicedrivernameisshownintheadapterinformationwindow.
116UserGuide
- UserGuide 1
- FirstEdition(August2012) 2
- Contents 3
- AppendixC.ENERGYSTARmodel 5
- AppendixD.Notices.........141 5
- Readthisrst 7
- Importantsafetyinformation 8
- Safetyguidelines 9
- Powercordsandpoweradapters 10
- Plugsandoutlets 11
- Powersupplystatement 11
- Externaldevices 12
- Lithiumcoincellbatterynotice 12
- Heatandproductventilation 12
- ©CopyrightLenovo2012 13
- Usingheadphonesorearphones 14
- Additionalsafetyinformation 15
- Chapter1.Productoverview 17
- Right-sideview 19
- Left-sideview 20
- Rearview 21
- Bottomview 22
- Statusindicators 22
- Systemstatusindicators 23
- Deviceaccessindicator 24
- Machinetypeandmodellabel 25
- CerticateofAuthenticitylabel 26
- Features 26
- Specications 27
- Operatingenvironment 28
- ThinkVantageprograms 28
- AccessingThinkVantageprograms 29
- Chapter1.Productoverview15 31
- Chapter2.Usingyourcomputer 33
- Specialkeysandbuttons 34
- Functionkeycombinations 34
- Chapter2.Usingyourcomputer19 35
- Windowskey 37
- Usingthetouchpad 39
- Powermanagement 41
- Checkingthebatterystatus 41
- Usingtheacpoweradapter 41
- Chargingthebattery 42
- Maximizingthebatterylife 42
- Managingthebatterypower 42
- Power-savingmodes 42
- Chapter2.Usingyourcomputer27 43
- Connectingtothenetwork 44
- Ethernetconnections 44
- Wirelessconnections 44
- Chapter2.Usingyourcomputer29 45
- UsingBluetooth 46
- Chapter2.Usingyourcomputer31 47
- Presentationsandmultimedia 48
- Changingdisplaysettings 48
- Chapter2.Usingyourcomputer33 49
- Usingdualdisplays 50
- Usingaudiofeatures 51
- Usingtheintegratedcamera 51
- Usingaashmediacard 52
- Insertingaashmediacard 52
- Removingaashmediacard 53
- 38UserGuide 54
- Chapter3.Youandyourcomputer 55
- Accessibilityinformation 56
- Travelingwithyourcomputer 57
- Traveltips 57
- Travelaccessories 57
- Chapter4.Security 59
- Power-onpassword 60
- Harddiskpasswords 60
- Chapter4.Security45 61
- Supervisorpassword 62
- Chapter4.Security47 63
- Harddisksecurity 64
- Settingthesecuritychip 64
- Usingangerprintreader 65
- Chapter4.Security51 67
- Usingrewalls 69
- Protectingdataagainstviruses 69
- 54UserGuide 70
- Chapter5.Recoveryoverview 71
- Chapter5.Recoveryoverview57 73
- Creatingandusingarescuemedium 74
- Chapter5.Recoveryoverview59 75
- Solvingrecoveryproblems 76
- Chapter6.Replacingdevices 77
- Chapter6.Replacingdevices63 79
- 1.Thenremovethebottomcover2 80
- .Replacingdevices65 81
- Chapter6.Replacingdevices67 83
- 1.Securethecardwiththescrew2 84
- Chapter6.Replacingdevices69 85
- 5.Removethecard 86
- 70UserGuide 86
- .Replacingdevices71 87
- Chapter6.Replacingdevices73 89
- 74UserGuide 90
- Replacingthememorymodule 91
- Replacingthekeyboard 93
- 78UserGuide 94
- Installingthekeyboard 95
- .Replacingdevices79 95
- 80UserGuide 96
- Replacingthebackupbattery 97
- 1.Thenattachtheconnector2 98
- Chapter7.Advancedconguration 99
- Installingdevicedrivers 101
- InstallingthedriverforUSB3.0 101
- ThinkPadSetup 102
- Mainmenu 102
- Congmenu 103
- 88UserGuide 104
- .Advancedconguration89 105
- 90UserGuide 106
- Date/Timemenu 107
- Securitymenu 108
- .Advancedconguration93 109
- 94UserGuide 110
- .Advancedconguration95 111
- Startupmenu 112
- 98UserGuide 114
- Restartmenu 115
- UpdatingyoursystemUEFIBIOS 115
- Usingsystemmanagement 115
- Systemmanagement 116
- Settingmanagementfeatures 116
- .Advancedconguration101 117
- 102UserGuide 118
- Chapter8.Preventingproblems 119
- Takingcareofyourcomputer 120
- 108UserGuide 124
- Diagnosingproblems 125
- Troubleshooting 125
- Computerstopsresponding 125
- Spillsonthekeyboard 126
- Errormessages 126
- Errorswithoutmessages 128
- Beeperrors 129
- Memorymoduleproblems 129
- Networkingproblems 129
- AwirelessLANproblem 130
- AwirelessWANproblem 131
- Bluetoothproblems 131
- Keyboardproblems 132
- Computerscreenproblems 132
- Externalmonitorproblems 133
- Audioproblems 135
- Fingerprintreaderproblems 136
- Batteryandpowerproblems 137
- Bootproblems 138
- Sleepandhibernationproblems 138
- Asoftwareproblem 139
- AUSBproblem 140
- Chapter10.Gettingsupport 141
- Usingdiagnosticprograms 142
- LenovoSupportWebsite 142
- CallingLenovo 142
- FindingThinkPadoptions 143
- Purchasingadditionalservices 143
- 128UserGuide 144
- Wirelessrelatedinformation 145
- 1WirelessLANantenna(main) 146
- 3WirelessWANantenna(main) 146
- Exportclassicationnotice 147
- Electronicemissionnotices 147
- Directive 148
- 134UserGuide 150
- ImportantWEEEinformation 151
- Japanrecyclingstatements 151
- RecyclinginformationforBrazil 152
- 138UserGuide 154
- 5.ClickthePowerManagementtab 156
- 7.ClickOK 156
- 140UserGuide 156
- AppendixD.Notices 157
- Trademarks 158
- ChinaRoHS 159
- TurkishRoHS 159
- UkraineRoHS 159
- IndiaRoHS 160
- PartNumber: 162
- PrintedinChina 162
- (1P)P/N: 162
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