Lenovo S710 All-in-One User Manual Page 35
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- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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Chapter7.Troubleshootinganddiagnostics
Thischapterprovidesinformationaboutdiagnosingandtroubleshootingcomputerproblems.
Basictroubleshooting
Thefollowingtableprovidesinformationtohelpyoutroubleshootyourcomputerproblems.
Note:Ifyoucannotcorrecttheproblem,havethecomputerserviced.Foralistofserviceandsupport
telephonenumbers,refertotheSafety,Warranty,andSetupGuidethatcomeswithyourcomputerorgoto
theLenovoSupportWebsiteathttp://www.lenovo.com/support/phone.
SymptomAction
Thecomputerdoesnotstart
whenyoupressthepower
switch.
Verifythat:
•Thepowercordiscorrectlyconnectedtotherearofthecomputerandtoa
workingelectricaloutlet.
•Ifyourcomputerhasasecondarypowerswitchontherearofthecomputer,
makesurethatitisswitchedon.
•Thepowerindicatoronthefrontofthecomputerison.
•Thecomputervoltagematchesthevoltageavailableattheelectricaloutletfor
yourcountryorregion.
Themonitorscreenisblank.
Verifythat:
•Themonitorsignalcableiscorrectlyconnectedtothemonitorandtothe
appropriatemonitorconnectoronthecomputer.
•Themonitorpowercordiscorrectlyconnectedtothemonitorandtoaworking
electricaloutlet.
•Themonitoristurnedonandthebrightnessandcontrastcontrolsareset
correctly.
•Thecomputervoltagematchesthevoltageavailableattheelectricaloutletfor
yourcountryorregion.
•Ifyourcomputerhastwomonitorconnectors,besuretousetheconnector
onthegraphicscard.
Thekeyboarddoesnotwork.
Verifythat:
•Thecomputeristurnedon.
•ThekeyboardissecurelyconnectedtoaUSBconnectoronthecomputer.
•Nokeysarestuck.
Themousedoesnotwork.
Verifythat:
•Thecomputeristurnedon.
•ThemouseissecurelyconnectedtoaUSBconnectoronthecomputer.
•Themouseisclean.Referto“Opticalmouse”onpage23
forfurtherinformation.
Theoperatingsystemdoesnot
start.
Verifythat:
•Thestartupsequenceincludesthedevicewheretheoperatingsystemresides.
Usually,theoperatingsystemisontheharddiskdrive.Formoreinformation,
see“Selectingastartupdevice”onpage17.
Thecomputerbeepsmultiple
timesbeforetheoperating
systemstarts.
Verifythatnokeysarestuck.
©CopyrightLenovo2013
25
- LenovoS710 1
- UserGuide 1
- FirstEdition(August2013) 2
- ©CopyrightLenovo2013 2
- Contents 3
- Importantsafetyinformation 5
- Powercordsandpoweradapters 6
- Plugsandoutlets 6
- Externaldevices 7
- Heatandproductventilation 7
- Operatingenvironment 8
- Modemsafetyinformation 8
- Lasercompliancestatement 8
- Powersupplystatement 9
- LenovoS710UserGuide 10
- Chapter1.Productoverview 11
- 2LenovoS710UserGuide 12
- .Productoverview3 13
- Adjustingthecomputerstand 14
- Chapter2.Youandyourcomputer 15
- Aircirculation 16
- Glareandlighting 16
- Voltage-selectionswitch 17
- Replacementpowercords 17
- 8LenovoS710UserGuide 18
- Chapter3.Security 19
- Windowspasswords 20
- Usingandunderstandingrewalls 20
- Chapter4.Recoveryinformation 21
- UsingRescueSystem 22
- 14LenovoS710UserGuide 24
- Viewingandchangingsettings 25
- Usingpasswords 25
- Passwordconsiderations 26
- Power-OnPassword 26
- AdministratorPassword 26
- HardDiskPassword 26
- Enablingordisablingadevice 27
- Selectingastartupdevice 27
- EnablingErPcompliancemode 28
- Smartperformancechoices 28
- ExitingtheSetupUtilityprogram 29
- 20LenovoS710UserGuide 30
- Chapter6.Preventingproblems 31
- Cleaningandmaintenance 32
- Cleaningyourcomputer 32
- Goodmaintenancepractices 33
- Movingyourcomputer 34
- Basictroubleshooting 35
- Troubleshootingprocedure 36
- Troubleshooting 36
- Audioproblems 37
- CDproblems 38
- DVDproblems 39
- Intermittentproblems 40
- Monitorproblems 41
- Networkingproblems 43
- Performanceandlockupproblems 45
- Printerproblems 47
- Serialportproblems 47
- USBproblems 47
- AppendixA.Notices 49
- Trademarks 50
- Exportclassicationnotice 51
- Electronicemissionsnotices 51
- Eurasiancompliancemark 53
- 44LenovoS710UserGuide 54
- ImportantWEEEinformation 55
- RecyclinginformationforJapan 55
- RecyclinginformationforBrazil 56
- 48LenovoS710UserGuide 58
- EuropeanUnionRoHS 59
- ChinaRoHS 59
- TurkishRoHS 59
- UkraineRoHS 60
- IndiaRoHS 60
- AppendixE.ChinaEnergyLabel 61
- 52LenovoS710UserGuide 62
- 54LenovoS710UserGuide 64
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