User guide

Foryoursafetyandtomaintainoptimumcomputerperformance,alwaysfollowthesebasicprecautions

withyourdesktopcomputer:

•Keepthecoverclosedwheneverthecomputerispluggedin.

•Regularlyinspecttheoutsideofthecomputerfordustaccumulation.

•Removedustfromventsandanyperforationsinthebezel.Morefrequentcleaningsmightberequiredfor

computersindustyorhigh-trafﬁcareas.

•Donotrestrictorblockanyventilationopenings.

•Donotstoreoroperateyourcomputerinsidefurniture,asthismightincreasetheriskofoverheating.

•Airﬂowtemperaturesintothecomputershouldnotexceed35°C(95°F).

•Donotinstallairﬁltrationdevices.Theymayinterferewithpropercooling.

Operatingenvironment

Theoptimalenvironmentinwhichtouseyourcomputeris10°C-35°C(50°F-95°F)withhumidityranging

between35%and80%.Ifyourcomputerisstoredortransportedintemperatureslessthan10°C(50°F),

allowthecoldcomputertoriseslowlytoanoptimaloperatingtemperatureof10°C-35°C(50°F-95°F)before

use.Thisprocesscouldtaketwohoursinextremeconditions.Failuretoallowyourcomputertorisetoan

optimaloperatingtemperaturebeforeusecouldresultinirreparabledamagetoyourcomputer.

Ifpossible,placeyourcomputerinawell-ventilatedanddryareawithoutdirectexposuretosunshine.

Keepelectricalappliancessuchasanelectricfan,radio,high-poweredspeakers,airconditioner,and

microwaveovenawayfromyourcomputerbecausethestrongmagneticﬁeldsgeneratedbythese

appliancescandamagethemonitoranddataontheharddiskdrive.

Donotplaceanybeveragesontopoforbesidethecomputerorotherattacheddevices.Ifliquidisspilledon

orinthecomputeroranattacheddevice,ashortcircuitorotherdamagemightoccur.

Donoteatorsmokeoveryourkeyboard.Particlesthatfallintoyourkeyboardcancausedamage.

Lasercompliancestatement

CAUTION:

Whenlaserproducts(suchasCD-ROMs,DVDdrives,ﬁberopticdevices,ortransmitters)are

installed,notethefollowing:

•Donotremovethecovers.Removingthecoversofthelaserproductcouldresultinexposureto

hazardouslaserradiation.Therearenoserviceablepartsinsidethedevice.

•Useofcontrolsoradjustmentsorperformanceofproceduresotherthanthosespeciﬁedherein

mightresultinhazardousradiationexposure.

DANGER

SomelaserproductscontainanembeddedClass3AorClass3Blaserdiode.Notethefollowing:

Laserradiationwhenopen.Donotstareintothebeam,donotviewdirectlywithoptical

instruments,andavoiddirectexposuretothebeam.