Becarefulaboutwhereandhowyouwork
•Storepackingmaterialssafelyoutofthereachofchildrent opreventtheriskofsuffocationfromplastic
bags.
•Keepyourcomputerawayfrommagnets,activatedcellularphones,electricalappliances,orspeakers
(within13cmor5inch).
•Avoidsubjectingyourcomputertoextremetemperatures(below5°C/41°Forabove35°C/95°F).
•Someappliances,suchascertainportabledesktopfansorairpuriers,canproducenegativeions.Ifa
computerisclosetosuchanappliance,andisexposedforanextendedtimetoaircontainingnegative
ions,itmaybecomeelectrostaticallycharged.Suchachargemaybedischargedthroughyourhands
whenyoutouchthekeyboardorotherpartsofthecomputer,orthroughconnectorsonI/Odevices
connectedtoit.Eventhoughthiskindofelectrostaticdischarge(ESD)istheoppositeofadischargefrom
yourbodyorclothingtothecomputer,itposesthesameriskofacomputermalfunction.
Yourcomputerisdesignedandmanufacturedtominimizeanyeffectsofelectrostaticcharge.Anelectrostatic
chargeaboveacertainlimit,however,canincreasetheriskofESD.Ther efore,whenusingthecomputer
closetoanappliancethatcanproducenegativeions,givespecialattentiontothefollowing:
•Avoiddirectlye xposingyourcomputertotheairfromanappliancethatcanproducenegativeions.
•Keepyourcomputerandperipheralsasfaraspossiblefromsuchanappliance.
•Whereverpossible,groundyourcomput ertofacilitatesafeelectrostaticdischarge.
Note:Notallsuchappliancescauseasignicantelectrostaticcharge.
Begentlewithyourcomputer
•Avoidplacinganyobjects(includingpaper)betweenthedisplayandthekeyboardorthepalmrest.
•Yourcomputerdisplayisdesignedtobeopenedandusedatanangleslightlygreaterthan90degrees.
Donotopenthedisplaybeyond180degrees,asthismightdamagethecomputerhinge.
•Donotturnyourcomputeroverwhiletheacpoweradapterispluggedin.Thiscouldbreaktheadapter
plug.
Carryyourcomputerproperly
•Beforemovingyourcomputer ,besuretoremoveanymedia,turnoffattacheddevices,anddisconnect
cordsandcables.
•Whenpickingupyouropencomputer ,holditbythebottom.Donotpickuporholdyourcomputerby
thedisplay.
Handlestoragemediaanddrivesproperly
•Ifyourcomputercomeswithanopticaldrive,donottouchthesurfaceofadiscorthelensonthetray.
•WaituntilyouheartheCDorDVDclickintothecenterpivotofthedrivebeforeclosingthetray.
•Onyourcomputer,useonlyopticaldrivesdesignedforusewiththeserialUltr abayenhanced.
Note:Youcaninstalla9.5-mm-thickserialUltrabayslimora12.7-mm-thickserialUltrabayenhanced
deviceintheserialUltrabayenhanced.
•Wheninstallingtheharddiskdrive,solidstatedrive,oropticaldrive,followtheinstructionsshippedwith
yourhardware,andapplypressureonlywhereneededonthedevice.
•Turnoffyourcomputerifyouarereplacingtheharddiskdriveorsolidstatedrive.
•Whenreplacingtheprimaryharddiskdriveorsolidstat edrive,reattachthecoverofthedriveslot.
•Storeyourexternalandremovableharddiskoropticaldrivesintheappropriatecontainersorpackaging
whentheyarenotbeingused.
Chapter9.Preventingproblems197