Lenovo ThinkStation C20x Hardware Maintenance Manual

POSTErrorMessageDescription/Action
PressTABtoshowPOSTscreen
PressingtheTABkeypermitstheusertotogglebetween
thedefaultPOSTdisplayscreenandacustomPOST
displayscreen.
Error:Non-SystemdiskordiskerrorReplaceandpress
anykeywhenready
TheBIOSwasunabletondasuitablebootdevice.
Makesurethebootdriveisproperlyconnectedtothe
computer.
Makesureyouhavebootablemedia.
Miscellaneouserrormessages
Message/SymptomFRU/Action
ChangingdisplaycolorsDisplay/Monitor
Computerwillnotturnoff.See“Harddiskdriveboot
error”onpage45
.
1.PowerSwitch
2.SystemBoard
3.Risercard,ifinstalled.
ComputerwillnotRPLfromserver
1.Ensurethatnetworkisinstartupsequenceasrst
deviceorrstdeviceafterdiskette.
2.EnsurethatnetworkadapterisenabledforRPL.
3.Networkadapter(Advisenetworkadministratorof
newMACaddress)
ComputerwillnotperformaWakeOnLAN®(ifapplicable)1.Checkpowersupplyandsignalcableconnections
tonetworkadapter.
2.Ensurethattheoperatingsystemsettingsaresetto
enableWakeonLAN.
3.EnsureWakeOnLANfeatureisenabledin
Setup/Conguration(see“StartingtheSetupUtility
program”onpage37
)
4.EnsurenetworkadministratorisusingcorrectMAC
address.
5.EnsurenointerruptorI/Oaddressconicts.
6.Networkadapter(advisenetworkadministratorof
newMACaddress)
Deadcomputer.See“Harddiskdrivebooterror”onpage
45.
1.PowerSupply
2.SystemBoard
Diskettedrivein-uselightremainsonordoesnotlight
whendriveisactive.
1.DisketteDrive
2.SystemBoard
3.DisketteDriveCable
Blankscreenexceptforashingcursor.
1.SystemBoard
2.PrimaryHardDiskDrive
3.HardDiskDriveCable
IncorrectmemorysizeduringPOST
1.RuntheMemorytests.
2.MemoryModule
3.SystemBoard
Chapter8.Symptom-to-FRUIndex65

Lenovo ThinkStation C20x Specifications

General

Brand	Lenovo
Model	ThinkStation C20x
Category	Desktop
Language	English