User's Manual

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23
Troubleshooting
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Table7containssolutionstosomeproblems.Ifyoucannotsolvetheproblembytakingtheactionsdescribed,
contactyourlocalhelpdeskoryourresellerforfurtherassistance.
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Table 7: Troubleshooting
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Problem Possiblecausesandsolution
Computerwillnot
start
 Thebatterymaybedefectiveordischargedto acriticallylowlevel.Connectanexternalpowersupply
(suchastheACadapter)orinstallachargedbattery.See“Usingthebattery”onpage54.
 Internalcomponentsmaybeaboveorbelowtheacceptableoperatingrange
below‐20°Corabove60°
C).Afterthetemperaturereturnstosafeoperatingrangethecomputerwillstart.
TheComputerwillnot
resumeoperation
 Thebatterymaybedefectiveordischargedto acriticallylowlevel.Whenthebatteryreachesacritically
lowlevel,thecomputerisforcedintoSuspend‐to‐RAMmodetoavoidatotalsystempowerfailure.
Connectanexternalpowersupply(suchasthe
ACadapter)orinstallachargedbattery.See“Usingthe
battery”onpage54.
 Thecomputermaybeatthecriticalthermallimit.Toavoiddamagetoheat‐sensitivecomponents,the
computerentersSuspend‐to‐RAMmodewhenthecomputeroperatesabove60°C.Oper ation
automaticallyresumeswhenth e
computercoolstobelow60°C.Movethecomputertoacoolerlocation
afterbeingsuspended
TheStatusLEDisred,
continuous
 Thecomputerison,runningunderbatterypower,andthechargelevelinthebatteryhasreacheda
criticallevel.Plugthe computerintoanAC/DCpowersource orinstallachargedbattery.
 Thesystemhasencounteredafaultandisprev entingnormal
operation.Contactyourlocalhelpdesk.
TheStatusLEDisred,
blinking
 Thecomputerispoweredon,runningunderbatterypower,andthechargelevelinthebatteryisata
minimumwarninglevel.PlugthecomputerintoanAC/DCpowersourceorinstallachargedbattery.
Displayscreenisblank
ordifficulttorea d
 Confirmthatthecomputerison(thePowericoniscontinuouslydisplayedinStatusarea).
 Thebrightnessmaybesettoolow,causingthescreentoappeartoodark.Tochangesystembrightness,
pressSettingsIcon,Display,Brightness.
 Thevideo
time‐outmayhaveexpired.Tapthedisplayscreentoreactivatethedispla y.
 Note:Thisisanormal,power‐savingfeature.
Headphoneor
speakervolumeistoo
low
 ThevolumemaybeinMutemodeorsettoolow.Followtheinstructiontoadjustheadphoneorspea ker
volume.
 Makesurethevolumecontrolinyouraudiosoftwareissettoanaudiblelevel.
Anexternaldeviceis
notworkingwiththe
computer
 Thedevicemayneedtobeenabledinthecomputer’sconfiguratorprogram.Contactyourlocalhelpdesk
orreseller.
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