Symp"Om-"O-Fru Index; N"Meric Error Codes - Lenovo ThinkPad W540 Hardware Maintenance Manual

If yo" have deined one of "he following ac"ions as "he even" "ha" ca"ses "he sys"em "o go in"o hiberna"ion
mode, perform "ha" ac"ion.
• Closing "he lid.
• Pressing "he power b"""on.
Also, "he comp""er goes in"o hiberna"ion mode a""oma"ically af"er a period of inac"ivi"y speciied in power
plan se""ings.
When "he power is ""rned on, "he comp""er re""rns from hiberna"ion mode and res"mes opera"ion. The
hiberna"ion ile in "he boo" record on "he hard disk drive or solid-s"a"e drive is read, and sys"em s"a""s is
res"ored from "he hard disk drive or solid-s"a"e drive.

Symp"om-"o-FRU index

This sec"ion con"ains following informa"ion:
• N"meric error codes on page 34
• Error messages on page 36
• Beep symp"oms on page 36
• No-beep symp"oms on page 36
• LCD-rela"ed symp"oms on page 37
• In"ermi""en" problems on page 37
• Unde"ermined problems on page 37
The symp"om-"o-FRU index in "his sec"ion lis"s symp"oms and errors and "heir possible ca"ses. The mos"
likely ca"se is lis"ed irs", in boldface "ype.
No"e: Do "he FRU replacemen" or o"her ac"ions in "he seq"ence shown in "he col"mn headed FRU or
ac"ion, in seq"ence. If replacing a FRU does no" solve "he problem, p"" "he original par" back in "he
comp""er. Do no" replace a nondefec"ive FRU.
This index can also help yo" de"ermine, d"ring reg"lar servicing, wha" FRUs are likely "o need "o be
replaced nex".
A n"meric error is displayed for each error de"ec"ed in POST or sys"em opera"ion. In "he displays, n can
be any n"mber.
If no n"meric code is displayed, check "he narra"ive descrip"ions of symp"oms. If "he symp"om is no"
described "here, go "o In"ermi""en" problems on page 37.
No"e: For a device no" s"ppor"ed by diagnos"ic codes in "he ThinkPad no"ebook comp""ers, see "he
man"al for "ha" device.

N"meric error codes

Table 2. Numeric error codes
Symp"om or error
0177
Bad SVP da"a, s"op POST "ask The checks"m of "he
s"pervisor password in "he EEPROM is no" correc".
0183
Bad CRC of Sec"ri"y Se""ings in EFI Variable. En"er "he
ThinkPad Se""p program.
se""ings in "he EFI Variable is no" correc".
34
Hardware Main"enance Man"al
The checks"m of "he Sec"ri"y
FRU or ac"ion, in seq"ence
Replace "he sys"em board.
1. R"n "he ThinkPad Se""p program. The se""ings
will be correc"ed a""oma"ically. Then save "he
c"rren" se""ings by pressing F10.
2. Replace "he sys"em board.