Lenovo 80SF0001US - Battery and Other System Problem Resolution

Battery problems
Your computer shuts down
before the battery status
indicator shows empty.
-or-
Your computer operates
after th
e battery status
indicator shows empty.
• Rechar
gethebattery.
Other problems
Your computer does not
respond.
• Toturnoffyourcomputer,pressandholdthePower
buttonforeightsecondsormore.Ifthecomputerstill
doesnotrespond,removetheACpoweradapter.
• Yo
urcomputermightlockwhenitenterssleepmode
duringacommunicationoperation.Disablethesleep
timerwhenyouareworkingonthenetwork.
The connected external
device does not wo
rk.
• Donotconnectordisconnectanyexternaldevice
cablesotherthanUSBwhilethecomputerpoweris
on.Otherwise,youmightdamageyourcomputer.
• Whenus
inghighpowerconsumptionexternal
devices,suchasanexternalUSBopticaldrive,usean
externaldevicepoweradapter.Otherwise,thedevice
maynotberecognized,orthesystemmayshutdown
asaresult.
Chapter 4. Troubleshooting
26