- Lenovo Personal Computer User's Guide

Foryoursafetyandtomaintainoptimumcomputerperformance,alwaysfollowthesebasicprecautions

withyourdesktopcomputer:

•Keepthecoverclosedwheneverthecomputerispluggedin.

•Regularlyinspecttheoutsideofthecomputerfordustaccumulation.

•Removedustfromventsandanyperforationsinthebezel.Morefrequentcleaningsmightberequiredfor

computersindustyorhigh-trafcareas.

•Donotrestrictorblockanyventilationopenings.

•Donotstoreoroperateyourcomputerinsidefurniture,asthismightincreasetheriskofoverheating.

•Airowtemperaturesintothecomputershouldnotexceed35°C(95°F).

•Donotinstallairltrationdevices.Theymayinterferewithpropercooling.

Operatingenvironment

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

between20%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

microwaveovenawayfromyourcomputerbecausethestrongmagneticeldsgeneratedbythese

appliancescandamagethemonitoranddataontheharddiskdrive.

Donotplaceanybeveragesontopoforbesidethecomputerorotherattacheddevices.Ifliquidisspilledon

orinthecomputeroranattacheddevice,ashortcircuitorotherdamagemightoccur.

Donoteatorsmokeoveryourkeyboard.Particlesthatfallintoyourkeyboardcancausedamage.

Modemsafetyinformation

CAUTION:

Toreducetheriskofre,useonlyNo.26AWGorlarger(forexample,No.24AWG)telecommunication

linecordlistedbyUnderwritersLaboratories(UL)orcertiedbytheCanadianStandardsAssociation

(CSA).

Toreducetheriskofre,electricalshock,orinjurywhenusingtelephoneequipment,alwaysfollowbasic

safetyprecautions,suchas:

•Neverinstalltelephonewiringduringalightningstorm.

•Neverinstalltelephonejacksinwetlocationsunlessthejackisspecicallydesignedforwetlocations.

•Nevertouchuninsulatedtelephonewiresorterminalsunlessthetelephonelinehasbeendisconnectedat

thenetworkinterface.

•Usecautionwheninstallingormodifyingtelephonelines.

•Avoidusingatelephone(otherthanacordlesstype)duringanelectricalstorm.Theremaybearemote

riskofelectricshockfromlightning.

•Donotusethetelephonetoreportagasleakinthevicinityoftheleak.

viiiThinkCentreUserGuide