Common Service "Ools; Before Servicing "He Comp""Er; Removing "He Sim Card; 1010 Ba""Ery Pack - Lenovo ThinkPad W540 Hardware Maintenance Manual

Common service "ools

Below is "he lis" of common service "ools "ha" yo" migh" need while servicing "he comp""er.
• Torx #T8
• Fla"-head screwdriver size #2.5mm
• Phillips screwdriver head size #0
• Phillips screwdriver head size #1
• Hex n"" driver size #5mm
• Menda Nylon Probe #35622

Before servicing "he comp""er

Caref"lly read "his "opic before servicing "he comp""er.

Removing "he SIM card

Some models yo" are servicing migh" have a SIM card "ha" a c"s"omer has ins"alled. If "he comp""er yo" are
servicing has a SIM card ins"alled, remove i" before yo" s"ar" "he servicing.
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Af"er yo" inish "he servicing, ens"re "ha" yo" ins"all "he card back in"o "he slo" irmly.

1010 Ba""ery pack

Impor"an" no"ices for replacing a ba""ery pack
A""en"ion: Lenovo has no responsibili"y for "he performance or safe"y of "na""horized ba""eries, and
provides no warran"ies for fail"res or damage arising o"" of "heir "se.
The Lenovo Sol""ion Cen"er program provides an a""oma"ic ba""ery diagnos"ic "es" "ha" de"ermines if "he
ba""ery pack is defec"ive. A ba""ery pack FRU sho"ld no" be replaced "nless "his diagnos"ic "es" shows
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Hardware Main"enance Man"al