光驱与光盘的故障案例全分析(cd-rom and cd-rom fault case analysis)

光驱与光盘的故障案例全分析(cd-rom and cd-rom fault case analysis)

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时间:2018-08-08

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1、光驱与光盘的故障案例全分析(CD-ROMandCD-ROMfaultcaseanalysis)CD-ROMandCD-ROMfaultcaseanalysisBrieflyintroducessomeCDdriverandCDcase,inordertomakethecomputeruserreferenceandusewhenthesimilarfaultoccurs.1.,thedatalinetoreverse,resultinginCD-ROMdoesnotreaddisk[malfunctionphenomenon]

2、Anassemblycomputer,theinstallationsystemissettostartfromthedisk,putintheinstallationdiskthatcanstartthesystem,canstartwithouttestingdrive,directlyfromtheharddiskboot.[analysisprocessing]Openthecasecheck,foundthatthedrivedatalinecounter,thecorrectconnection,thefaultd

3、isappeared.2.bootselftest,noCDdriver[malfunctionphenomenon]Anassemblycomputer,installedaftertheboot,theself-testdidnotdetectthedrive,accesstotheoperatingsystemdoesnotshowthepresenceofCD-ROM.[analysisprocessing]Bootcheck,foundthatthedatalineisnotinserted.Reinsertthed

4、ataline,turnonthemachine,thefaultdisappears.3.thediscisreversed,resultinginunreadabledata[malfunctionphenomenon]CD-ROMusehasbeennormal,suddenlyunabletoreadCD-ROMdataphenomenon.AfteryouputtheCDintheCDdriver,youcanheartherotationofthedisc,andthedrivelightisblinking.Bu

5、tafterreadingforalongtime,youcannotseethecontentsofthedisc.Thesystempromptsthedisktobeinsertedintothedrive.[analysisprocessing]Accordingtothephenomenonanalysis,themechanicalpartoftheopticaldriveworksproperly,andthecontentsoftheopticaldiskcannotberecognized.Itmaybeth

6、eproblemoflaserhead,datatransmissionandsoon.Afterchecking,foundthatbecausethereisnoprintingofanytextandimagesontheCD,thereisnodifferencebetweenthetwosides,leadingtoCD-ROMdataisplacedontheCD-ROMdrive.Flipthediscbackintothedriveandthefaultdisappears.4.lackofpowersuppl

7、y,resultinginCD-ROMcannotbeusedproperly[malfunctionphenomenon]Acomputer,hasbeenworkingonanewCD-ROMafterafailure,theuseofnewCD-ROMplayCDandVCDdiscisnormal,butuseittoinstallthesoftwareautomaticallyrestartthecomputer,sometimestwoCD-ROMusedatthesametimewillalsoappeartor

8、estartthephenomenon.[analysisprocessing]First,checkthetwodriveusingthereplacementmethod,andfindthatanyoneusingitwillworkproperly.Takingint

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