Lenovo ThinkPad Edge E540 - Replacing a Wireless LAN Card

2.Reinstallthescrewandtightenit.
3.Reinstallthebattery.See“Replacingthebattery”onpage69.
4.Turnthecomputeroveragain.Connecttheacpoweradapterandallcables.
ReplacingawirelessLANcard
Beforeyoustart,printtheseinstructions.
DANGER
Duringelectricalstorms,donotconnectthecabletoordisconnectitfromthetelephoneoutlet
onthewall.
DANGER
Electriccurrentfrompower,telephone,andcommunicationcablesishazardous.Toavoidshock
hazard,disconnectthecablesbeforeopeningthecoverofthisslot.
Attention:BeforeyoustartinstallingawirelessLANcard,touchametaltableoragroundedmetalobject.
Thisactionreducesanystaticelectricityfromyourbody.Thestaticelectricitycoulddamagethecard.
ToreplacethewirelessLANcard,dothefollowing:
1.Turnoffthecomputer;thendisconnecttheacpoweradapterandallcablesfromthecomputer.Wait
threetoveminutestoletthecomputercool.
2.Closethecomputerdisplay,andturnthecomputerover.
3.Removethebattery.See“Replacingthebattery”onpage69.
92UserGuide