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1、诊断网络故障的步骤Title:stepstodiagnosenetworkfailures〃Apost
2、nextpost・Andnetworkconnectionisnotnormal,maybecausedbyavarietyofreasons.Itmayberelatedtocomputerhardware,systems,andnetworkhealth・Iftheusercannotgetonthenetworkproblems,youcanfirstfollowthefollowingstepsfortroubleshooting:1,motherboardFaultphenom
3、enon:compatibilityproblems,thenetworkcardandthemotherboardPCItroughpoorcontact・Thenetworkcardcannotbedetected・Suggestion:changethemotherboard,tryanotherPCIslot・2,networkcardFault:right-clickonmycomputericononthedesktop,clickon"properties","devicemanager/z,^networkadapter77,andseeifthenetworkcardis
4、norma1.Iftheyellowexclamationmarkappearsonthenetworkcardoption,thedriverofthenetworkcardisoutoforder・Recommendation:installthecorrectnetworkcarddriver・IsthereaconflictbetweentheIRQvalueandtheI/Oaddress(intheinstallationofmultiplenetworkcards,toavoidcollisions,weeitherdroppedC0M1orcom2Disable)・3、wi
5、relessnetworkcardFaultphenomenon:unabletoobtainIPaddress,wirelessnetworkcarddoesnotcommunicatewithwirelessrouternormally.Thesignalofnetworkcardisflashingandunstable・Recommendation:youneedtomakesurethatthedriverforthewirelessnetworkcardisinstalledproperly,andthenmakesurethattheESSIDofthewirelesscar
6、disthesameastheESSIDinthewirelessrouter・Ifalliscorrect,theindicatorlightshouldbealwayslight・IftheESSIDiscorrect,stillunabletogettheIPaddress,youneedtocheckthewirelessnetworkcard(WEPencryption)setisturnedon,isoffbydefault,ifthecardopenstheWEPencryptionsettings,pleaseturnitoff.4,networkprotocolFault
7、phenomenon:click"start","rurT,entertheipconfigcommandinthecommandline・SeeiftheIPconfigurationinfOTmationisconsistent・Recommendation:setthecorrectnetworkcardpropertiesorparameters,suchas10M,halfduplexor100Mfullduplex,etc・，andthecorrectnetworkconfiguration,suchasIP,subnetmask,gateway,DNSorDHCP,etc..
8、5,difficultproblemsFaultphenomenon:thephenomenonof，zunabletoconnect"isduetoARPcacheorswitch,MACaddresstablecachenotempty,networkparalysiscausedbybroadcaststormandsoon.Recommendation:Unplugthecable,shutdown,waitaf
