Chapter10.ReplacingFRUs(Type4105,4157,4217)
Important
BeforeyoureplaceanyFRU,readChapter2“Safetyinformation”onpage3.Theseprecautionsand
guidelineswillhelpyouworksafely.
FRUreplacementsaretobedonebytrainedservicetechniciansonly.
ThischapterdoesnotcontainaremoveandreplaceprocedureforallFRUs.OnlythemajorFRUsare
documented.
Locatingcontrolsandconnectorsonthefrontofyourcomputer
Thefollowingillustrationshowsthelocationofthecontrolsandconnectorsonthefrontofyourcomputer.
1
Opticaldrive(somemodels)
6
USBconnector
2
3.5-inchdiskettedriveorcardreader(some
models)
7
Harddiskdriveactivitylight
3
USBconnector
8
Powerbutton
4
Microphoneconnector
9
Power-onindicator
5
Headphoneconnector
Rearconnectors
Thefollowingillustrationshowsthelocationsoftheconnectorsontherearofthecomputer.
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