Powerproblems
Printtheseinstructionsnowandkeepitwithyourcomputerforreferencelater.
Ifyourcomputerisgettingnopoweratall,checkthefollowingitems:
1.Verifythepowerbutton.Referto“System-statusindicators”onpage8.Thepowerbuttonisilluminated
wheneverthecomputerison.
2.Checkallpowerconnections.Removeanypowerstripsandsurgeprotectorstoconnecttheacpower
adapterdirectlytotheacpoweroutlet.
3.Inspecttheacpoweradapter.Checkforanyphysicaldamage,andmakesurethatthepowercableis
rmlyattachedtotheadapterbrickandthecomputer.
4.Verifytheacpowersourceisworkingbyattachinganotherdevicetotheoutlet.
5.RemovethecomputerfromaThinkPadPortReplicatorSeries3,ThinkPadMiniDockSeries3,ThinkPad
MiniDockPlusSeries3,ortheThinkPadMiniDockPlusSeries3(170W).Referto“Detachinga
ThinkPadportreplicatorordockingstation”onpage108.
6.Removealldevicesandthentestforsystempowerwithminimaldevicesattached.
a.Disconnecttheacpoweradapterandallcablesfromthecomputer.
b.Closethecomputerdisplay,andturnthecomputerover.
c.Removethebattery.Referto“Replacingthebatt ery”onpage67.
d.Removethememory(SO-DIMM).Referto“Replacingamemorymodule”onpage69.
e.RemovethePCIExpressMiniCard.Referto“ReplacingaPCIExpressMiniCardforwireless
LAN/WiMAXconnection”onpage78.
f.Removetheharddiskdriveandsolidstatedrive.Referto“Replacingtheharddiskdriveorsolid
statedrive”onpage72.
g.RemovetheUltrabaydevices.Referto“ReplacingtheSerialUltrabaySlimdevice”onpage92.
h.Waitfor30seconds,andthenreinstalltheSO-DIMMandtheknowngoodbatteryortheacpower
adaptertotestthecomputerwithminimaldevicesattachedrst.
i.Reinstalleachdeviceoneatatimethatyouhaveremovedintheearliersteps.
Ifyourcomputerdoesnotrunonbatterypower,checkthefollowingitems:
1.Removeandreseatthebatterytomakesurethatitisproperlyconnected.Referto“Replacingthe
battery”onpage67.
2.Swapbatterieswithanothersimilarmodel,ifavailable.
IfanothersimilarThinkPadmodelisavailable,thenverifythatthebatterypackworksintheother
computerandthatthebatterypackfortheothermodelworksinthiscomputer.
3.Verifythebattery-statusindicator.Referto“Powerstatusindicators”onpage9.
Thebattery-statusindicatorisnormallyilluminatedwheneverthebatteryisinstalledandthecomputeris
on,ortheacpoweradapterisconnectedandthebatteryischarging.Thisindicatormaybeblinkingor
solidineitherorangeorgreencolordependingonthestatusofthebattery.
Apowerbuttonpr oblem
Problem:Thesystemdoesnotrespond,andyoucannotturnoffthecomputer.
Solution:Turnoffthecomputerbypressingandholdingthepowerbuttonfor4secondsormore.Ifthe
systemisstillnotreset,removetheacpoweradapterandthebattery.
Startupproblems
Printtheseinstructionsnowandkeepthemwithyourcomputerforreferencelater.
150UserGuide