Lenovo B490 - Computer care and maintenance

Takingcareofyourcomputer
Althoughyourcomputerisdesignedtofunctionreliablyinnormalworkenvironments,youneedtouse
commonsenseinhandlingit.Byfollowingtheseimportanttips,youwillgetthemostuseandenjoyment
outofyourcomputer.
Becarefulaboutwhereandhowyouwork
•Donoteatorsmokeoveryourkeyboard.Particlesthatfallintoyourkeyboardcancausedamage.
•Storepackingmaterialssafelyoutofthereachofchildrentopreventtheriskofsuffocationfromplastic
bags.
•Keepyourcomputerawayfrommagnets,activatedcellularphones,electricalappliances,orspeakers
(within13cmor5inch).
•Avoidsubjectingyourcomputertoextremetemperatures(below5°C/41°Forabove35°C/95°F).
•Someappliances,suchascertainportabledesktopfansorairpuriers,canproducenegativeions.Ifa
computerisclosetosuchanappliance,andisexposedforanextendedtimetoaircontainingnegative
ions,itmightbecomeelectrostaticallycharged.Suchachargemightbedischargedthroughyourhands
whenyoutouchthekeyboardorotherpartsofthecomputer,orthroughconnectorsonI/Odevices
connectedtoit.Eventhoughthiskindofelectrostaticdischarge(ESD)istheoppositeofadischargefrom
yourbodyorclothingtothecomputer,itposesthesameriskofacomputermalfunction.
Yourcomputerisdesignedandmanufacturedtominimizeanyeffectsofelectrostaticcharge.Anelectrostatic
chargeaboveacertainlimit,however,canincreasetheriskofESD.Therefore,whenusingthecomputer
closetoanappliancethatcanproducenegativeions,givespecialattentiontothefollowing:
•Avoiddirectlyexposingyourcomputertotheairfromanappliancethatcanproducenegativeions.
•Keepyourcomputerandperipheralsasfaraspossiblefromsuchanappliance.
•Whereverpossible,groundyourcomputertofacilitatesafeelectrostaticdischarge.
Note:Notallsuchappliancescauseasignicantelectrostaticcharge.
Begentlewithyourcomputer
•Avoidplacinganyobjects(includingpaper)betweenthedisplayandthekeyboardorthepalmrest.
•Donotopenthedisplaybeyond130degrees,asthismightdamagethecomputerhinge.
•Donotturnyourcomputeroverwhiletheacpoweradapterispluggedin.Thiscouldbreaktheadapter
plug.
Carryyourcomputerproperly
•Beforemovingyourcomputer,besuretoremoveanymedia,turnoffattacheddevices,anddisconnect
cordsandcables.
•Beforemovingyourcomputer,ensurethatitisinsleeporhibernationmode,orturnedoff.Thiswill
preventdamagetotheharddiskdriveandavoiddataloss.
•Whenpickingupyouropencomputer,holditbythebottom.Donotpickuporholdyourcomputerby
thedisplay.
•Useaqualitycarryingcasethatprovidesadequatecushionandprotection.Donotpackyourcomputerin
atightlypackedsuitcaseorbag.
Foroutdooruse
•Backupyourcriticaldatabeforeyoutakeyourcomputeroutdoors.
•Ensurethatthebatteryisfullycharged.
44UserGuide