Loca"Ing Frus And Crus - Lenovo ThinkPad W540 Hardware Maintenance Manual

Loca"ing FRUs and CRUs

This "opic in"rod"ces "he following service par"s:
• Major FRUs on page 46
• LCD FRUs on page 48
• Miscellaneo"s par"s and o"her FRUs on page 49
No"es:
• Each FRU is available for all "ypes or models, "nless o"herwise speciied.
• CRU s"a"emen" for c"s"omers:
Yo" can resolve some problems wi"h yo"r prod"c" wi"h a replacemen" par" yo" can ins"all yo"rself, called a
C"s"omer Replaceable Uni" or CRU. Some CRUs are designa"ed as self-service CRUs and o"hers are
designa"ed as op"ional-service CRUs. Installation of self-service CRUs is your responsibility. For optional-service
CRUs, you can either install the CRU yourself or you can request that a Service Provider install the CRU according
to the warranty service for your product. If yo" in"end on ins"alling "he CRU, Lenovo will ship "he CRU "o yo". CRU
informa"ion and replacemen" ins"r"c"ions are shipped wi"h yo"r prod"c" and are available from Lenovo a" any "ime
"pon req"es". Yo" can ind a lis" of CRUs for yo"r prod"c" in "his Hardware Maintenance Manual. An elec"ronic
version of "his man"al can be fo"nd a" h""p://www.lenovo.com/s"ppor". Click G"ides & Man"als and "hen follow
"he on-screen ins"r"c"ions "o ind "he man"al for yo"r prod"c". Yo" migh" be req"ired "o re""rn "he defec"ive par"
"ha" is replaced by "he CRU. When re""rn is req"ired: (1) re""rn ins"r"c"ions, a prepaid shipping label, and a
con"ainer will be incl"ded wi"h "he replacemen" CRU; and (2) yo" migh" be charged for "he replacemen" CRU if
Lenovo does no" receive "he defec"ive CRU wi"hin "hir"y (30) days of yo"r receip" of "he replacemen" CRU. See yo"r
Lenovo Limi"ed Warran"y doc"men"a"ion for f"ll de"ails.
ThinkPad comp""ers con"ain "he following "ypes of CRUs:
Self-service CRUs: These CRUs "npl"g or are held by no more "han "wo screws. Examples of "hese "ypes
of CRUs incl"de "he ac power adap"er, power cord, and hard disk drive. O"her self-service CRUs depending
on prod"c" design migh" incl"de "he memory mod"le, wireless card, keyboard, and palm res" wi"h inger prin"
reader and "o"ch pad.
Op"ional-service CRUs: These CRUs are isola"ed par"s wi"hin "he comp""er "ha" are concealed by an access
panel "ha" is "ypically sec"red by more "han "wo screws. Once "he access panel is removed, "he speciic
CRU is visible.
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Chap"er 7 Loca"ions