Lenovo E41-80 - A Sound Problem; Other Problems

Iforgotmypassword.
Doanyofthefollowing:
•IfyouforgettheBIOSuserpassword,askthesystemadministratortoresetyouruserpassword.
•Ifyouforgetyourharddiskdrivepassword,aLenovoauthorizedservicercannotresetyourpasswordor
recoverdatafromtheharddiskdrive.YoumusttakeyourcomputertoaLenovoauthorizedservicerora
marketingrepresentativetohavetheharddiskdrivereplaced.Proofofpurchaseisrequired,andafee
willbechargedforpartsandservice.
•IfyouforgettheBIOSsupervisorpassword,aLenovoauthorizedservicercannotresetyourpassword.
YoumusttakeyourcomputertoaLenovoauthorizedserviceroramarketingrepresentativetohavethe
systemboardreplaced.Proofofpurchaseisrequired,andafeewillbechargedforpartsandservice.
Asoundproblem
Printtheseinstructionsnowandkeepitwithyourcomputerforreferencelater.
Nosoundcanbeheardfromthespeakerevenwhenthevolumeisturnedup.
Makesurethat:
•Themutefunctionisoff.
•Thecomboaudiojackisnotused.
•Speakersareselectedastheplaybackdevice.
Otherproblems
Printtheseinstructionsfirst.
Yourcomputerdoesnotrespond.
Doeitherofthefollowing:
•Turnoffyourcomputerbypressingandholdingthepowerbuttonforfoursecondsormore.Ifthe
computerstilldoesnotrespond,removetheacpoweradapterandthebatterypack.
•Yourcomputermightlockwhenitenterssleepmodeduringacommunicationoperation.Disablethe
sleeptimerwhenyouareworkingonthenetwork.
Ineedtostartthecomputerfromaconnecteddevice,butthedevicedoesnotappearontheboot
devicelist.
CheckthebootmodesettingintheBIOSsetuputility.IftheBootModeissettoUEFI,makesurethatthe
deviceorthemediuminthedevicesupportsUEFIboot.Ifthedeviceorthemediuminthedevicedoes
notsupportUEFIboot,setBootModetoLegacySupport.Ifthedevicestilldoesnotappearintheboot
devicelist,replacewithanewdeviceormedium.
Theconnectedexternaldevicedoesnotwork.
Ensurethat:
•TheexternaldeviceisconnectedbyUSBcableswhilethecomputeristurnedon;otherwise,your
computermightbedamaged.
•Whenyouareusingahigh-power-consumptionexternaldevicesuchasanexternalUSBopticaldrive,
ensurethatyouusethepowercablethatcomeswiththeexternaldevice.Otherwise,thedevicemightnot
berecognized,orthecomputermightbeturnedoff.
Formoretechnicalsupportinformation,goto:
http://www.lenovo.com/support
42UserGuide