Petr Škuta Lub macOS Catalina operating system zoo li nyiam cov teeb meem. Tom qab khov lub installer nws tus kheej, ploj xa ntawv thiab teeb meem nrog cov duab duab sab nraud, ib tus neeg siv tam sim no tau tshaj tawm tias qhov hloov tshiab tau ua rau lawv lub computer tsis ua haujlwm.
Na kev txhawb nqa forums twb muaj ob peb threads nrog qhov teeb meem no. Lawv muaj ntau yam, tab sis cov tsos mob tshwm sim tas li tuaj yeem pom.
Kuv nyuam qhuav "upgraded" rau macOS Catalina. Kuv lub laptop yog cib. Txhua yam kuv pom yog ib daim nplaub tshev nrog cov lus nug, lossis tsis muaj dab tsi yog tias kuv sim CMD + R ntawm khau raj.
Nyob zoo, qhov no tshwm sim rau kuv thiab. 2014 MacBook Pro 13. Ib yam teeb meem. Nws zoo li qhov hloov tshiab yuav tsum tau ua txhaum lub motherboard firmware vim nws tsis paub txog qhov tseem ceeb ua ke thaum pib. Kuv hu Apple kev txhawb nqa. Peb tsis tau tawg. Cov thev naus laus zis tau hais tias nws yog qhov teeb meem kho vajtse, tsis yog hloov tshiab. kuv tsis tau. Kuv lub computer ua haujlwm zoo txog thaum kuv hloov kho rau macOS Catalina.
Kuv ua raws li cov lus qhia thiab kho qhov System Preferences ib txwm. Tam sim no lub khoos phis tawj tsuas pom kuv ib daim nplaub tshev nrog cov lus nug uas flashes rau ob peb feeb. Tsis muaj kev sib xyaw ua haujlwm tseem ceeb. Qhov no yog qhov teeb meem loj uas yuav tsum tau hais los ntawm Apple.
Kuv muaj teeb meem tib yam. Genius pheej sim nias qhov sib txawv ntawm cov yuam sij ib yam li kuv thiab tom qab ntawd hais tias nws yog motherboard. Kuv tsis tau txais nws kiag li, kuv iMac tau ua haujlwm zoo txij li xyoo 2014.
Nws kuj tshwm sim rau kuv 2014 MacBook Cua thiab kuv ob tug phooj ywg nrog 2015 MacBook Pros muaj cov teeb meem tib yam. Tsis muaj qhov tseem ceeb ua ke ua haujlwm thiab 5 feeb tom qab pib nws tsuas yog flashes lub cim nplaub tshev nrog cov lus nug. Tag nrho cov lus qhia yog tias muaj teeb meem nrog BIOS - EFI tshwm sim los ntawm kev teeb tsa ntawm macOS Catalina.
Reflashing EFI pab tau. Cov kws kho mob hauv qhov kev pabcuam tsis tau tso cai tau ua nws
Qee tus neeg siv tau tshaj tawm qhov teeb meem txawm tias ua ntej beta version macOS Catalina, tab sis ntau ntawm cov posts twb xa mus rau lub ntse version. Yog li qhov teeb meem tshwm sim.
Ntau cov ntawv xa mus rau EFI kev noj nyiaj txiag. Lub Extensible Firmware Interface (EFI) tau tsim los ntawm Intel los hloov lub Open Firmware siv los ntawm cov laus Macs nrog PowerPC processors.
Kuv tau mus rau qhov chaw pabcuam tau tso cai. Tus kws kho mob saib lub computer thiab hais tias nws laus dhau lawm. Yog li kuv rub kuv tus kheej ua ke thiab mus rau qhov chaw pabcuam tsis raug cai, tab sis nrog cov neeg ib txwm muaj. Lawv tau sim tag nrho cov khoom kho vajtse thiab hais tias nws ua haujlwm, tab sis lawv tsis tuaj yeem tsa lub motherboard. Thaum kawg flashed tag nrho EFI nrog lub cuab yeej tshwj xeeb thiab lub khoos phis tawj dheev ua haujlwm.
Txawm li cas los xij, pom tau tias cov teeb meem tsis tshwm sim ntawm txhua lub khoos phis tawj. Raws li cov ntawv tshaj tawm, nws tuaj yeem pom tias cov no yog cov qauv qub qub. Tsis tuaj yeem taug qab cov qauv kab lossis hom. Tsuas yog lub sijhawm yuav qhia tias qhov teeb meem loj npaum li cas.
Nws yuav yog txaus siab rau koj
MacBook Cua (thaum ntxov 2015) - txias