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2
Overview .........................................3
Front view .......................................................................3
Rear view ........................................................................5
System board ................................................................7
Machine type and model label ...................................9
...............................10
............................12
Locking the computer cover ....................................12
Attaching a Kensington-style cable lock ...............12
Attaching a cable lock ...............................................13
Replacing hardware ......................14
Before replacing hardware .......................................14
Handling static-sensitive devices ...........................14
Knowing replaceable parts .......................................15
Customer Replaceable Units (CRUs) ...........................15
Field Replaceable Units(FRUs) ......................................15
CRUs and FRUs locations ..............................................16
Replacing CRUs ............................19
Before replacing CRUs ..............................................19
Replacing the keyboard or wireless keyboard ......21
Replacing the keyboard ..................................................21
Replacing the wireless keyboard ..................................22
Replacing the mouse or wireless mouse ..............23
Replacing the power cord .........................................25
Removing the computer cover ................................26
Replacing the front bezel ..........................................27
Pivoting the drive bay assembly inward and
outward ........................................................................28
Replacing the optical drive .......................................29
Replacing the storage drive ......................................31
Replacing the 3.5-inch storage drive in the
primary or secondary drive bay ....................................31
Replacing the 3.5-inch storage drive in the front-
access storage enclosure ..............................................33
Replacing the 2.5-inch storage drive in the
tertiary drive bay ..............................................................34
Replacing the memory module ...............................36
Replacing the coin-cell battery ................................37
Replacing the PCI Express card ..............................38
Replacing the power supply assembly ..................39
Replacing the M.2 storage drive ..............................40
Replacing the Wi-Fi card ...........................................42
Completing the parts replacement .........................44
Replacing FRUs ............................45
Before replacing FRUs ...............................................45
Replacing computer handle .....................................47
Replacing the power button .....................................48
Replacing the card reader .........................................49
Replacing front I/O bracket ......................................50
Replacing the Wi-Fi antennas ..................................51
Replacing the front fan ..............................................53
Replacing the illuminated red dot ...........................54
Replacing the thermal sensor ..................................55
Replacing the internal speaker ................................56
Replacing the cover presence switch ....................57
Replacing the heat sink and fan assembly ...........58
Replacing the microprocessor .................................59
Replacing the rear fan ...............................................61
Replacing the system board ....................................62
Notices..........................................................................64
Trademarks .................................................................65
Contents