Lenovo C240 All-in-One User Manual Page 22
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SATAModeSelectDisabled/IDE/AHCImode.Devicedriversupport
isrequiredforAHCIorRAID.Dependingonhowthehard
diskdriveimagewasinstalled,changingthissettingmay
preventthesystemfrombooting.
OnboardAudioControllerSelectwhethertoenableordisabletheOnboard
AudioController.WhenthisfeatureissettoDisabled
alldevicesconnectedtotheaudioconnectors(e.g.
headphonesoramicrophone)aredisabledandcannot
beused.
OnboardEthernetControllerorLANBootAgentSelectwhethertoenableordisabletheOnboardEthernet
Controller,orselectwhethertoenableordisableload
onboardPXE(PrebootExecutionEnvironment).
Toenableordisableadevice,dothefollowing:
1.StarttheSetupUtilityprogram(see“StartingtheSetupUtilityprogram”onpage13).
2.FromtheSetupUtilityprogrammenu,selectDevices.
3.Selectanoptionasfollows:
SelectUSBSetup,presstheEnterkey,thenselectUSBFunctions.
SelectATADriversSetup,presstheEnterkey,thenselectSATAMode.
SelectAudioSetup,presstheEnterkey,thenselectOnboardAudioController.
SelectNetworkSetup,presstheEnterkey,thenselectOnboardEthernetSupportorLANBoot
Agent.
4.SelectDisabledorEnabledandpresstheEnterkey.
5.ReturntotheLenovoBIOSSetupUtilityprogrammenuandselecttheExitoption.
6.SelectSaveChangesandExitfromthemenu.
Notes:
a.Ifyoudonotwanttosavethesettings,selectDiscardChangesandExitfromthemenu.
Selectingastartupdevice
IfyourcomputerdoesnotbootfromadevicesuchastheCD/DVD-ROMdrivediskorharddiskasexpected,
followoneoftheproceduresbelow.
Selectingatemporarystartupdevice
Usethisproceduretostartupfromanybootdevice.
Note:NotallCDs,DVDsorharddiskdrivesarebootable.
1.T urnoffyourcomputer.
2.PressandholdtheF12keythenturnonthecomputer.WhentheStartupDeviceMenuappears,
releasetheF12key.
Note:IftheStartupDeviceMenudoesnotdisplayusingthesesteps,repeatedlypressandreleasethe
F12keyratherthankeepingitpressedwhenturningonthecomputer.
3.Use↑and↓arrowstoselectthedesiredstartupdevicefromtheStartupDeviceMenuandpress
theEnterkeytobegin.
Note:SelectingastartupdevicefromtheStartupDeviceMenudoesnotpermanentlychangethe
startupsequence.
16LenovoC240/245/255All-In-OnePCHardwareMaintenanceManual
- MaintenanceManual 1
- HardwareMaintenanceManual 3
- FourthEdition(July2013)25th 4
- GS-35F-05925 4
- Contents 5
- Chapter1.Aboutthismanual 7
- Chapter2.Safetyinformation 9
- Safetyinspectionguide 11
- Groundingrequirements 12
- Safetynotices 12
- Chapter2.Safetyinformation7 13
- Chapter3.Generalinformation 15
- Chapter4.GeneralCheckout 17
- Chapter5.UsingtheSetupUtility 19
- Enablingordisablingadevice 21
- Selectingastartupdevice 22
- Changingbootingmode 23
- Chapter6.Symptom-to-FRUIndex 25
- POSTerrorcodes 26
- Undeterminedproblems 26
- ©CopyrightLenovo2012,2013 27
- Leftandrightview 28
- Rearview 29
- Hardwarecomponents 30
- Chapter8.Replacinghardware 33
- Replacingthekeyboardandmouse 34
- Replacingtheopticaldrive 34
- Chapter8.Replacinghardware29 35
- Replacingthepoweradapter 36
- Removingtherearcover 37
- Replacingamemorymodule 38
- Replacingtheharddiskdrive 38
- Replacingtheheat-sink 39
- Replacingthesystemfan 40
- ReplacingtheWi-Ficard 41
- Replacingthespeakersystem 42
- Chapter8.Replacinghardware37 43
- Replacingthepowerswitchboard 44
- Replacingthemotherboard 45
- Replacingthecomputerstand 47
- Replacingthecamera 47
- Replacingtheconverterboard 48
- ReplacingtheLEDpanel 49
- Jumper Head s 51
- Chapter9.FRUlists-C240–245 53
- .FRUlists-C240–24549 55
- Chapter10.FRUlists-C255 57
- .FRUlists-C25553 59
- .FRUlists-C25555 61
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