Lenovo K49 Notebook User Manual Page 55
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•BesuretoturnoffthepowerandclosetheLCDwhennotinuse.
•Whenyouleavethecomputerinyourcar,placeitonthebackseattoavoidbeingmissed.
•Carrytheacpoweradapterandpowercordwiththecomputer.
Handlestoragemediaanddrivesproperly
•Ifyourcomputercomeswithanopticaldrive,donottouchthesurfaceofadiscorthelensonthetray.
•WaituntilyouheartheCDorDVDclickintothecenterpivotofthedrivebeforeclosingthetray.
•Wheninstallingtheharddiskdrivesoropticaldrives,followtheinstructionsshippedwithyourhardware,
andapplypressureonlywhereneededonthedevice.
•Turnoffyourcomputerifyouarereplacingtheharddiskdrive.
•Storeyourexternalandremovableharddiskdrivesoropticaldrivesintheappropriatecontainersor
packagingwhennotinuse.
•Beforeyouinstallanyofthefollowingdevices,touchametaltableoragroundedmetalobject.Thisaction
reducesanystaticelectricityfromyourbody.Thestaticelectricitycoulddamagethedevice.
–Memorycards,suchasSDcards,MemoryStickcards,MultiMediaCardmodules,andMemoryStick
Procards
–Memorymodules
Note:Notalllisteddevicesareincludedinyourcomputer.
Thisactionreducesanystaticelectricityfromyourbody.Thestaticelectricitycoulddamagethedevice.
•Whentransferringdatatoorfromaashmediacard,suchasanSDcard,donotputyourcomputerin
sleeporhibernationmodebeforethedatatransferiscomplete.Todosomightcausedamagetoyour
data.
Dataprotection
•Donotdeleteunknownlesorchangethenameoflesordirectoriesthatwerenotcreatedbyyou;
otherwise,yourcomputersoftwaremightfailtowork.
•Beawarethataccessingnetworkresourcescanleaveyourcomputervulnerabletocomputerviruses,
hackers,spyware,andothermaliciousactivitiesthatmightdamageyourcomputer,software,ordata.
•Itisyourresponsibilitytoensurethatyouhaveadequateprotectionintheformofrewalls,antivirus
software,andanti-spywaresoftwareandkeepthesoftwareuptodate.
Takecareinsettingpasswords
Rememberyourpasswords.Ifyouforgetasupervisororharddiskpassword,Lenovoauthorizedservice
providerswillnotresetit,andyoumighthavetoreplaceyoursystemboardorharddiskdrive.
Cleanthecoverofyourcomputer
Occasionallycleanyourcomputerbydoingthefollowing:
1.Prepareamixtureofagentlekitchen-usedetergent(onethatdoesnotcontainabrasivepowderor
strongchemicalssuchasacidoralkaline).Use5partswaterto1partdetergent.
2.Absorbthediluteddetergentintoasponge.
3.Squeezeexcessliquidfromthesponge.
4.Wipethecoverwiththesponge,usingacircularmotionandtakingcarenottoletanyexcessliquiddrip.
5.Wipethesurfacetoremovethedetergent.
6.Rinsethespongewithcleanrunningwater.
7.Wipethecoverwiththecleansponge.
Chapter7.Preventingproblems41
- UserGuide 1
- ThirdEdition(December2012) 2
- ©CopyrightLenovo2012 2
- Contents 3
- Trademarks................56 4
- Readthisrst 5
- Importantsafetyinformation 6
- Safetyguidelines 7
- Powercordsandpoweradapters 8
- Plugsandoutlets 8
- Powersupplystatement 9
- Externaldevices 9
- Generalbatterynotice 9
- Rechargeablebatterynotice 10
- Lithiumcoincellbatterynotice 10
- Heatandproductventilation 11
- Lasercompliancestatement 12
- Usingheadphonesorearphones 13
- Additionalsafetyinformation 13
- Left-sideview 18
- 63 4 51 2 19
- Right-sideview 20
- Comboaudiojack3Opticaldrive 21
- Frontview 22
- Rearview 22
- Bottomview 23
- Statusindicators 24
- 2Deviceaccessstatusindicator 25
- 4APSindicator 25
- Features 26
- Specications 27
- 14UserGuide 28
- Chapter2.Usingyourcomputer 29
- Checkingthebatterystatus 31
- Usingtheacpoweradapter 32
- Chargingthebattery 32
- Maximizingthebatterylife 32
- Handlingthebattery 33
- Usingthetouchpad 34
- Usingtherecoverybutton 35
- Usingthekeyboard 36
- Numerickeypad 36
- Functionkeycombinations 36
- Chapter2.Usingyourcomputer23 37
- Usingthemediacardreader 39
- Insertingaashmediacard 39
- Removingaashmediacard 39
- Wiredconnection 41
- Hardwareconnection 41
- 1TVcable(notsupplied) 42
- 2Splitter(notsupplied) 42
- 3Cablemodem(notsupplied) 42
- Softwareconguration 43
- Wirelessconnection 43
- Chapter4.Youandyourcomputer 45
- Chapter5.Security 47
- 34UserGuide 48
- Chapter6.Recoveryoverview 49
- .Recoveryoverview37 51
- 38UserGuide 52
- Chapter7.Preventingproblems 53
- Takingcareofyourcomputer 54
- Chapter7.Preventingproblems41 55
- Troubleshooting 57
- Batteryandpowerproblems 57
- Computerscreenproblems 58
- Harddiskdriveproblem 59
- Opticaldriveproblems 59
- Apasswordproblem 60
- Asoundproblem 60
- Otherproblems 61
- 48UserGuide 62
- Wirelessrelatedinformation 63
- ChinaWEEEstatement 65
- 52UserGuide 66
- ChinaRoHS 67
- 54UserGuide 68
- AppendixD.Notices 69
- Trademarks 70
- PartNumber: 72
- PrintedinChina 72
- (1P)P/N: 72
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