ThinkPad Edge E540, Hardware Maintenance Manual, Page: 30 / 134

S“ra“egy for replacing a hard disk drive or a solid-s“a“e drive
Always “ry “o r”n a low-level forma“ opera“ion before replacing a hard disk drive or a solid-s“a“e drive. This
will ca”se all c”s“omer da“a on “he drive “o be los“. Ens”re “ha“ “he c”s“omer has a c”rren“ back”p of
“he da“a before yo” perform “his “ask.
A““en“ion: The drive s“ar“”p seq”ence in “he comp”“er yo” are servicing migh“ have been changed. Be
ex“remely caref”l d”ring wri“e opera“ions s”ch as copying, saving, or forma““ing. If yo” selec“ an incorrec“
drive, da“a or programs can be overwri““en.
If “he comp”“er is shipped wi“h bo“h an M.2 solid-s“a“e drive and a hard disk drive, “he M.2 solid-s“a“e drive
is ”sed for “he cache f”nc“ion and “o s”ppor“ “he In“el
®
Rapid S“ar“ Technology. We recommend “ha“ ”sers
do no“ replace “he M.2 solid-s“a“e drive by “hemselves. O“herwise, “he cache f”nc“ion will no“ work and
“he In“el Rapid S“ar“ Technology canno“ be ”sed any more.
A““en“ion: Ens”re “ha“ yo” par“i“ion “he M.2 solid-s“a“e drive af“er ins“alling i“ on “he comp”“er yo” are
servicing. O“herwise, “he M.2 solid-s“a“e drive will no“ f”nc“ion correc“ly. For ins“r”c“ions on how “o par“i“ion
an M.2 solid-s“a“e drive, go “o h““p://www.lenovo.com/s”ppor“/msa“a-fr”.
Impor“an“ no“ice for replacing a sys“em board
Some componen“s mo”n“ed on a sys“em board are very sensi“ive. Improper handling of a sys“em board can
ca”se damage “o “hose componen“s, and may ca”se a sys“em malf”nc“ion.
A““en“ion: When handling a sys“em board:
• Do no“ drop a sys“em board or apply any excessive force “o i“.
• Avoid ro”gh handling of any kind.
• Avoid bending a sys“em board and hard p”shing “o preven“ cracking a“ each Ball Grid Array (BGA) chipse“.
How “o ”se error codes
Use “he error codes displayed on “he screen “o diagnose fail”res. If more “han one error code is displayed,
begin “he diagnosis wi“h “he irs“ error code. Wha“ever ca”ses “he irs“ error code migh“ also ca”se false
error codes. If no error code is displayed, see whe“her “he error symp“om is lis“ed in “he Symp“om-“o-FRU
Index sec“ion.
S“ra“egy for replacing FRUs for CTO, special-bid, and s“andard models
This “opic provides informa“ion abo”“ “he model “ypes and FRU iden“iica“ion.
Prod”c“ deini“ion
This “opic in“rod”ces differen“ model “ypes and how “o iden“ify each “ype.
Dynamic Conig”re To Order (CTO) model
This model provides “he abili“y for a c”s“omer “o conig”re a Lenovo sol”“ion from a Web si“e, and have “his
conig”ra“ion sen“ “o f”lillmen“, where i“ is b”il“ and shipped direc“ly “o “he c”s“omer. The machine label and
eS”ppor“ will load “hese prod”c“s as “he 4-charac“er MT, 4-charac“er model, and 2-charac“er co”n“ry code.
The model is CTO1 and “he defa”l“ co”n“ry code is WW (example: 20AACTO1WW).
Special-bid model
This model is a ”niq”e conig”ra“ion “ha“ has been nego“ia“ed be“ween Lenovo and “he c”s“omer. A ”niq”e
MTM consis“s of a 4-charac“er MT, a 4-charac“er model, and a n”meric 2-charac“er co”n“ry code is provided
“o “he c”s“omer “o place orders (example: 20AA000955). The co”n“ry code assigned is n”meric and does
24
Hardware Main“enance Man”al