Erasingalostorforgottenpassword(clearingCMOS)
Thissectionprovidesinstructionsonhowtoerasealostorforgottenpassword,suchasauserpassword.
Toerasealostorforgottenpassword,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Openthecomputercover.See“Openingthecomputercover”onpage14.
3.LocatetheClearCMOS/Recoveryjumperonthesystemboard.See“Locatingpartsonthesystem
board”onpage10.
4.RemoveanypartsanddisconnectanycablesthatmightpreventyouraccesstotheClearCMOS
/Recoveryjumper.
5.Movethejumperfromthestandardposition(pin1andpin2)tothemaintenanceposition(pin2and
pin3).
6.Reinstallanypartsandreconnectanycablesthathavebeenremovedordisconnected.
7.Reinstallthecomputercoverandreconnectthepowercordsforthecomputerandmonitor.See
“Completingthepartsreplacement”onpage52.
8.Turnonthecomputerandleaveitonforapproximately10seconds.Then,turnoffthecomputerby
holdingthepowerswitchforapproximatelyveseconds.
9.Repeatstep1throughstep4.
10.MovetheClearCMOS/Recoveryjumperbacktothestandardposition(pin1andpin2).
11.Reinstallanypartsandreconnectanycablesthathavebeenremovedordisconnected.
12.Closethecomputercoverandreconnectallcables.See“Completingthepartsreplacement”onpage
52.
13.Turnonthecomputer.YourpasswordhasbeenerasedandyoucanusetheSetupUtilityprogramtoset
anewpassword.SeeChapter4“UsingtheSetupUtilityprogram”onpage61formoreinformation.
54ThinkCentreUserGuide