1.GototheLenovoSupportWebsiteathttp://www.lenovo.com/supportandsearchfortheerrormessage.
2.GototheMicrosoftKnowledgeBasehomepageathttp://support.microsoft.com/andsearchforthe
errormessage.
Sleepandhibernationproblems
•Problem:Thecomputerenterssleepmodeunexpectedly.
Solution:Ifthemicroprocessoroverheats,thecomputerautomaticallyenterssleepmodetoallowthe
computertocoolandtoprotectthemicroprocessorandotherinternalcomponents.Checkthesettings
forsleepmode.
•Problem:Thecomputerenterssleepmode(thesleepindicatorturnson)immediatelyafterthepower-on
self-test.
Solution:Makesurethat:
–Thebatteryischarged.
–Theoperatingtemperatureiswithintheacceptablerange.Referto“Operatingenvironment”onpage
14.
Ifthebatteryischargedandthetemperatureiswithinrange,havethecomputerserviced.
•Problem:Acriticallow-batteryerroroccurs,andthecomputerimmediatelyturnsoff.
Solution:Thebatterypowerisgettinglow.Connecttheacpoweradaptertothecomputerandplugit
intoanelectricaloutlet,orreplacethebatterywithachargedone.
•Problem:ThecomputerdisplayremainsblankafteryoupressFntoreturnfromsleepmode.
Solution:Checkwhetheranexternalmonitorwasdisconnectedorturnedoffwhilethecomputerwas
insleepmode.Ifyoudisconnectedorturnedofftheexternalmonitor,connectitorturnitonbefore
resumingthecomputerfromthesleepmode.Whenresumingthecomputerfromthesleepmode
withoutattachingtheexternalmonitororturningiton,andthecomputerdisplayremainsblank,press
F6tobringupthecomputerdisplay.
•Problem:Thecomputerdoesnotreturnfromsleepmode,orthesystemstatusindicator(illuminated
ThinkPadlogo)blinksslowlyandthecomputerdoesnotwork.
Solution:Ifthesystemdoesnotreturnfromsleepmode,itmighthaveenteredsleeporhibernation
modeautomaticallybecausethebatteryisdepleted.Checkthesystemstatusindicator(illuminated
ThinkPadlogo).
–Ifthesystemstatusindicator(illuminatedThinkPadlogo)blinksslowly,yourcomputerisinsleepmode.
Connecttheacpoweradaptertothecomputer;thenpressFn.
–Ifthesystemstatusindicator(illuminatedThinkPadlogo)isoff,yourcomputerisinpower-offstateor
inhibernationmode.Connecttheacpoweradaptertothecomputer;thenpressthepowerbutton
toresumeoperation.
Ifthesystemstilldoesnotreturnfromsleepmode,yoursystemmightstoprespondingandyoumightnot
beabletoturnoffthecomputer.Inthiscase,youneedtoresetthecomputer.Ifyouhavenotsavedyour
data,itmightbelost.Toresetthecomputer,pressandholdthepowerbuttonfor4secondsormore.If
thesystemisstillnotreset,removetheacpoweradapterandthebattery.
•Problem:Yourcomputerdoesnotentersleeporhibernationmode.
Solution:Checkwhetheranyoptionhasbeenselectedtodisableyourcomputerfromenteringsleep
orhibernationmode.
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