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1、usb接口不显示问题SetCMOSparametershasnotbeenusedforUSBperipheralsfriends,evenifproperlyinstalledthedriversystemisalwaysapossibility,unabletodetectaUSBharddrive,thisismainlyduetothemotherboardCMOSportisclosedbydefault,ifyoudon，tsetittoopen,sonaturalcan'tdetectWindowsmobileharddisk.Inordertosol
2、vethisproblem,wecanrestart,entertheCMOSSettingswindow,andintheheartofthe"PNP/PCICONFIGURATION"section〃theAssignIRQForUSB"asetto，，Enablez，,thissystemcangivetheUSBportaddressestheallocationoftheavailableinterrupt・Second,theinsufficientpowersupplyBecausetheUSBharddriveatworkalsoneedstocon
3、sumeacertainpower,ifdirectlythroughtheUSBinterfacetoelectricity,islikelytosee・Asaresult,almostallthemobileharddiskcomeswithaseparateexternalpowersupplyorkeyboard,bytakingelectricityPS2interface,thenjustconnectthepowerconverterinadvance,orthroughthePS2goodconnectionswiththekeyboard,make
4、suretotryagainafterenoughelectricitymobileharddisk,thenshouldbeabletonormaluse・Needspecialremindeveryone'sattention,itisrecommendedtousemobileharddiskbeforemakesurehaveenoughpower,otherwiseitmaybeharddiskdamageduetoinsufficientpowersupply.TheUSBextensioncordfailsforbothreasonsandmaynot
5、beabletousetheUSBporttype・Suchascomputerconfigurationis1.1standardUSBinterface,andbuymobileharddiskisUSB2.0standardinterface,thisrequiresconnectingcomputersandmobileharddiskcablemustsupportUSB2.0standard・Forhigh-speedmobiledeviceintoalow-speedhub,thedevicemaynotbethenormalinstallation,
6、andsomefriendsintheuseofmobileharddiskatthesametimealsouseUSBflashdrive,inordertofacilitatetheuseofUSBflashdrivedirectlyattachedtotheUSB1.1standardcable,thusledtoamobileharddiskunabletoproperlyidentifyUSB2.0standards・ThiscanberesolvedsimplybychangingtheconnectionlinetotheUSB2.0standard
7、.Four,theWindowsversionistoolowForsomestilluseWindows95orWindows97systemoffriends,evenifthecomputerisequippedwithUSBinterface,butbecauseoftheWindows98operatingsystemdoesnotsupportUSBperipherals,beforethereforenomatterhowtoinstalldriver,setCMOSparameterscanmakenormaluseofmobileharddis
