Lenovo ThinkCentre M91 - Miscellaneous Error Messages

ErrorcodePOSTerrormessageDescription/Action
1820
Morethanoneexternalngerprint
readerisattached.Poweroffand
removeallbutthereaderthatyou
setupwithinyourmainoperating
system.
Ifmorethanoneexternalngerprint
readerisconnectedtoacomputer,
thiserrormessagewillbedisplayed
toinformyoutoremoveallofthe
ngerprintkeyboardsexceptthe
onecompatiblewiththengerprint
applicationonyourcomputer.
1962
Nooperatingsystemfound.Press
anykeytorepeatbootsequence.
ThiserroroccursonlyafterthePOST
iscompleted.
Pressanykeytorepeatboot
sequence.
Miscellaneouserrormessages
Message/SymptomFRU/Action
ChangingdisplaycolorsDisplay/Monitor
Computerwillnotpower-off.See“Powerproblems”on
page33.
1.PowerSwitch
2.SystemBoard
3.Risercard,ifinstalled
ComputerwillnotPXEfromserver
1.Ensurethatnetworkisinstartupsequenceasrst
deviceorrstdeviceafterdiskette
2.EnsurethatnetworkadapterisenabledforPXE
3.Networkadapter(Advisenetworkadministratorof
newMACaddress)
ComputerwillnotperformaWakeonLAN®(ifapplicable)1.Checkpowersupplyandsignalcableconnections
tonetworkadapter.
2.Ensurethattheoperatingsystemsettingsaresetto
enableWakeonLAN.
3.EnsureWakeonLANfeatureisenabledin
Setup/Conguration(see“StartingtheSetupUtility
program”onpage41
)
4.EnsurenetworkadministratorisusingcorrectMAC
address.
5.EnsurenointerruptorI/Oaddressconicts.
6.Networkadapter(advisenetworkadministratorof
newMACaddress)
Deadcomputer.See“Powerproblems”onpage33.1.AC/DCPowerAdapter
2.SystemBoard
Diskettedrivein-uselightremainsonordoesnotlight
whendriveisactive.
1.DisketteDrive
2.SystemBoard
3.DisketteDriveCable
Flashingcursorwithanotherwiseblankdisplay.
1.SystemBoard
2.PrimaryHardDiskDrive
3.HardDiskDriveCable
Chapter7.Symptom-to-FRUindex65