Specifications

Step12.Reattachthebasecoverandsecureitwiththescrews.
A540FRUlists
Thischapterliststheinformationonthefieldreplaceableunits(FRUs)forA540All-In-Onecomputers.
Attention:BesuretoreadandunderstandallthesafetyinformationbeforereplacinganyFRUs.
Notes:FRUsthathavea1or2intheCRUcolumnareCustomerReplaceableUnits(CRUs).
•1–identifiespartsthatarefairlysimpletoreplace,requiringfewornotools.
•2–identifiespartsthatareslightlymoredifficulttoreplace.
•N-identifiespartsthatarenottobereplacedbythecustomer.
FRUsFRUDescription
ServicePart
Number(FRU#)
CRUID
CA540NOKI3-4158UMAW/OTV
5B20F62993N
CA540NOKI5-4258UMAW/OTV
5B20F62984N
CA540NOKI7-4558UMAW/OTV
5B20F62973N
CA540NOKI3-4158UMAW/TV
5B20F62977N
CA540NOKI5-4258UMAW/TV
5B20F62964N
CA540NOKI7-4558UMAW/TV
5B20F62990N
CA540NOKI3-4158DISW/OTV
5B20F62981N
CA540NOKI5-4258DISW/OTV
5B20F62970N
CA540NOKI7-4558DISW/OTV
5B20F62997N
CA540NOKI3-4158DISW/TV
5B20F62986N
CA540NOKI5-4258DISW/TV
5B20F62975N
CA540NOKI7-4558DISW/TV
5B20F62971N
CA540W8SI3-4158UMAW/OTV
5B20F62998N
CA540W8SI5-4258UMAW/OTV
5B20F62987N
CA540W8SI7-4558UMAW/OTV
5B20F62978N
CA540W8SI3-4158UMAW/TV
5B20F62965N
CA540W8SI5-4258UMAW/TV
5B20F62992N
CA540W8SI7-4558UMAW/TV
5B20F62983N
CA540W8SI3-4158DISW/OTV
5B20F62972N
CA540W8SI5-4258DISW/OTV
5B20F62999N
CA540W8SI7-4558DISW/OTV
5B20F62988N
CA540W8SI3-4158DISW/TV
5B20F62979N
CA540W8SI5-4258DISW/TV
5B20F62966N
CA540W8SI7-4558DISW/TV
5B20F62967N
CA540W8PI3-4158UMAW/OTV
5B20F62994N
CA540W8PI5-4258UMAW/OTV
5B20F62985N
CA540W8PI7-4558UMAW/OTV
5B20F62974N
MainboardMainboard
42LenovoA540/A740HardwareMaintenanceManual