Lenovo ThinkPad W540 Maintenance Manual

RetainingtheUUID...........57
ReadingorwritingtheECAinformation...57
Chapter9.Removingorreplacinga
FRU..................59
Generalguidelines.............59
Commonservicetools...........60
Beforeservicingthecomputer........60
RemovingtheSIMcard.........60
1010Batterypack.............60
1020ExpressCardreaderordummy
ExpressCard...............61
1030Largebottomdoor...........62
1040Harddiskdriveorsolid-statedrive....62
1050Opticaldrive.............63
1060Memorymodule............64
1070Smallbottomdoor...........65
1080WirelessLANcard...........66
1090WirelessWANcardorM.2solid-statedrive.67
1100Coin-cellbattery............69
1110Keyboard..............70
1120Keyboardbezelassembly........75
1130Powerbuttoncard,colorsensor,NFCcard,
fingerprintreader,andtrackpad........77
1140Smartcardreaderordummysmartcard..82
1150LCDunit...............84
1160Magnesiumstructureframe.......87
1170Speakerassembly...........88
1180dc-incableassembly..........89
1190Thermalfanassembly.........90
1200USBcard..............92
1210Microprocessor............92
1220Systemboardandbasecover......93
2010LCDfrontbezel............96
2020LCDpanel,hinges,andLCDcable....97
2030Camera-and-microphonecardand
camera-and-microphonecable........102
2040AntennakitandLCDrearcoverassembly..103
AppendixA.Notices.........107
Electronicemissionsnotices.........108
Trademarks................108
AppendixB.Abbreviationtable...109
iiHardwareMaintenanceManual

Lenovo ThinkPad W540 Specifications

General

Display	15.6 inch, 1920 x 1080 pixels
Graphics	NVIDIA Quadro K1100M
RAM	DDR3L
Battery	6-cell
Ports	Ethernet
Wireless	Bluetooth 4.0