Lenovo System x3550 M4

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Step1.Readthesafetyinformationthatbeginson“Safety”onpagevand“Installationguidelines”

onpage31

Step2.Turnofftheserverandperipheraldevicesanddisconnectthepowercordsandallexternalcables.

Note:Whenyoudisconnectthepowersourcefromtheserver,youlosetheabilitytoviewtheLEDs

becausetheLEDsarenotlitwhenthepowersourceisremoved.Beforeyoudisconnectthe

powersource,makeanoteofwhichLEDsarelit,includingtheLEDsthatarelitontheoperation

informationpanel,onthelightpathdiagnosticspanel,andLEDsinsidetheserveronthesystem

board.

Step3.Removethecover(see“Removingthecover”onpage34).

Step4.RemovetheDVDdriveﬁllerpanelifitisinstalled.LocatethebluereleasetabontherearoftheDVD

driveﬁllerpanel;then,whileyoupressthetab,pushtheDVDdriveﬁllerpaneloutofthedrivebay.

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Figure29.DVDdriveﬁllerpanelremoval

Step5.RemovetheretentionclipfromthesideoftheDVDdriveﬁllerpanel.SavetheDVDdriveﬁller

panelforfutureuse.

Note:Ifyouareinstallinganopticaldrivethatcontainsalaser,observethefollowingsafety

precautions.

Statement3

CAUTION:

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

areinstalled,notethefollowing:

•Donotremovethecovers.Removingthecoversofthelaserproductcouldresultin

exposuretohazardouslaserradiation.Therearenoserviceablepartsinsidethedevice.

40Systemx3550M4InstallationandServiceGuide

Lenovo System x3550 M4 - Page 54