Message/SymptomFRU/Action
"InsertaDiskette"iconappearswithaknown-good
diagnosticsdisketteintherst3.5-inchdiskettedrive.
1.SystemBoard
2.DisketteDriveCable
3.NetworkAdapter
Intensityorcolorvariesfromlefttorightofcharacters
andcolorbars
1.Display
2.Videoadapter(ifpresent)
3.SystemBoard
Nopowerorfannotrunning1.See“Powerproblems”onpage31.
Non-systemdiskordiskerror-typemessagewitha
known-gooddiagnosticdiskette.
1.DisketteDrive
2.SystemBoard
3.DisketteDriveCable
Otherdisplaysymptomsnotlistedabove(includingblank
orillegibledisplay)
1.Display
2.SystemBoard
Power-onindicatororharddiskdrivein-uselightnoton,
butcomputerworkscorrectly
1.Powerswitch/LEDassembly
2.SystemBoard
Printerproblems1.Printer
2.SystemBoard
Programloadsfromtheharddiskwithaknown-good
diagnosticsdisketteintherst3.5-inchdiskettedrive
1.RunSetupandcheckStartupsequence.
2.DisketteDrive
3.DisketteDriveCable
4.SystemBoard
5.AC/DCpoweradapter
PXEcomputercannotaccesspr ogramsfromitsownhard
disk.
Replacetheharddiskdrive
PXEcomputerdoesnotPXEfromserver1.Checkstartupsequence
2.CheckthenetworkadapterLEDstatus
Someorallkeysonthekeyboarddonotwork1.Keyboard
2.KeyboardCable
3.SystemBoard
Undeterminedproblems
1.Turnoffthecomput er.
2.Removeordisconnectthefollowingcomponents(ifinstalled)oneatatime.
a.Externaldevices(modem,printer,ormouse)
b.Anyadapters
c.Memorymodules
d.Extendedvideomemory
e.ExternalCache
f.ExternalCacheRAM
g.Harddiskdrive
h.Diskettedrive
3.Turnonthepowertore-testthesystem.
62HardwareMaintenanceManual