3.TestsandDiagnostics 
SatelliteL500D/ProL500DSeriesMaintenanceManual 4
3.2ExecutingtheDiagnosticTest
DOSisrequiredtoruntheDIAGNOSTICSPROGRAM.TostarttheDIAGNOSTIC
PROGRAM,followthesesteps:
InsertthediagnosticsUSBdiskdriveandturnonthecomputer.(Thediagnosticsdiskette
containstheFree-DOSbootfiles.)AndthenfollowtheinstructionsforT&Dprogram
installedinUSBdriver)
TheT&DProgramcanrunsingletestbyyoupresscorresponsiveEnglishletteroftestitem,and
italsoasksyouifyouliketocopytestlogfiletoUSBdiskasreferenceattheendoftest(s).
Thetestlistisasthefollowing:
A.CONFIGCHECKTEST
B.AudiosoundTEST
C.FANON/OFFTEST
D.MAINBATTERYTEST
E.FDDTEST
F.Memorycheck
G.KEYBOARDTEST
H.MOUSE(PAD)TEST
I.LCDPIXELSMODETEST
J.MAGNETICTEST
K.LANTEST
L.RTCTEST
M.BUTTONTEST
N.1stHDDTest
O.RDMITest
P.WDMITest