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MostofthetestsfoundinFDATarenon-destructive.ThismeansthatPC-Doctorprogramwillpreserve

anydatathatispresentonthetestedmediapriortobeginninganydestructiveoperations(suchaswrite

operations).However,userscanruncertaintestsindestructivemode(i.e.surfacescantests).Destructive

testswillspeeduptestingbecauseFDATdoesnotpreservethedataonthemediapriortothetestbeginning.

Unlikenon-destructivetests,anydatapresentonthemediapriortothetestbeginningislost.

FDATallowsforenablingordisablingdestructivetests,aswellasspecifyingarangeofdestructive

andnon-destructivesectorsonthetesteddrive.ThisisdonethroughthecongurationoftheFDAT.INI.

Ifdestructiveandnon-destructiverangessomehowoverlap,thentheoverlappedareaisconsidered

non-destructive.Forexample,ifusersspecifybothdestructiveandnon-destructiverangesasthesame,

thentheentiredriveistestedasnon-destructive.

QuickandFullerase-harddrive

Thediagnosticsprogramofferstwoharddriveformatutilities:

•QuickEraseHardDrive

•FullEraseHardDrive

TheQuickEraseHardDriveprovidesaDOSutilitythatperformsthefollowing:

•DestroystheMasterBootRecord(MBR)ontheharddrive.

•DestroysallcopiesoftheFATTableonallpartitions(boththemasterandbackup).

•Destroysthepartitiontable.

•Providesmessagesthatwarntheuserthatthisisanon-recoverableprocess.

TheFullEraseHardDriveprovidesaDOSutilitythatperformsthefollowing:

•PerformsallthestepsinQuickErase.

•ProvidesaDOSutilitythatwritesrandomdatatoallsectorsoftheharddrive.

•Providesanestimateoftimetocompletionalongwithavisualrepresentationofcompletionstatus.

•Providesmessagesthatwarntheuseraboutnon-recoverableprocess.

Important:MakesurethatalldataisbackedupbeforeusingtheQuickorFullErasefunctions.

ToselecttheQuickEraseorFullEraseHardDriveutility,usethefollowingprocedure:

1.SelecttheUTILITYoptiononthetoolbarandpressEnter.

2.SelecteithertheQUICKERASEorFULLERASEHARDDISKoptionandfollowtheinstructions.

Viewingthetestlog

Errorsreportedbythediagnostictestwillbedisplayedbytheprogramasafailedtest.

Toviewdetailsofafailureortoviewalistoftestresults,usethefollowingprocedurefromanytestcategory

screen:

1.PressF3toactivatethelogle.

2.PressF3againtosavetheletodisketteorpressF2toprintthele.

46HardwareMaintenanceManual

Lenovo ThinkCentre M55p Hardware Maintenance Manual

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