User's Manual

1.ClickStart,andthenpresstherightarrowbutton.
2.SelectUndock.
3.MakesurethatthedockingindicatoroftheThinkPadX220UltraBaseisoff.
ForWindowsXP:
1.SelecttheUndockComputerintheStartmenu.
2.MakesurethatthedockingindicatoroftheThinkPadX220UltraBaseisoff.
Note:DetachingtheUltraBasesuddenlywhilethecomputerisoperatingwithoutperformingtheprocedure
abovemaycausethesystemtomalfunctionorhang.
Toperformawarm-detach,presstheejectrequestbuttonoftheThinkPadX220UltraBase.Thesystemwill
thenresumewithanOKmessage.MakesurethatthedockingindicatoroftheThinkPadX220UltraBaseis
off.Thecomputerwillre-entersleep(standby)mode.
Ifyouarehot-orwarm-detachingthecomputer,makesurethat
•thedevicesconnectedtoUSB,Serial,andParallelconnectorsarenotinuse.
•theconnectiontoaModemorEthernetporthasended.
•thebatteryisfullycharged.
TodetachyourcomputerfromtheThinkPadX220Ultrabase,dothefollowing:
1.MakesurethatthesystemlockkeyoftheThinkPadX220UltraBaseisintheunlocked(vertical)position.
2.Closethecomputerdisplay.
3.Ifyouarehot/warm-detachingthecomputer,presstheejectrequestbuttonoftheThinkPadX220
UltraBase.ThenmakesurethattheejectinhibitindicatoroftheThinkPadX220UltraBaseisoff,andthe
ejectreadyindicatorlightsup.
4.ReleasetheejectleverontheleftsideoftheThinkPadX220UltraBase1untilthecomputerliftsup;
thenremovethecomputer2.
156UserGuide