To downgrade your Mac’s operating system from macOS 10.15 Catalina to another compatible version, you will need to back up your Mac, save important files, erase the internal hard drive, and then install macOS. … Without a Time Machine backup, you will need to reinstall and recover all your apps and files.
Can I downgrade my macOS from Catalina to Mojave?
Koj tau nruab Apple's MacOS Catalina tshiab ntawm koj lub Mac, tab sis koj yuav muaj teeb meem nrog qhov tseeb version. Hmoov tsis zoo, koj tsis tuaj yeem rov qab mus rau Mojave. Lub downgrade yuav tsum tau so koj Mac thawj tsav thiab reinstalling MacOS Mojave siv ib tug sab nraud tsav.
Kuv puas tuaj yeem txo qis ntawm Catalina mus rau High Sierra?
If your Mac came pre-installed with macOS High Sierra of any earlier version, it can run macOS High Sierra. To downgrade your Mac by installing an older version of macOS, you need to create a bootable macOS installer on a removable media.
Can I downgrade my macOS version?
Hmoov tsis zoo downgrading mus rau ib tug laus version ntawm macOS (los yog Mac OS X raws li yav tas los paub) tsis yooj yim li nrhiav cov laus version ntawm lub Mac operating system thiab reinstalling nws. Ib zaug koj Mac tab tom khiav ib tug tshiab version nws yuav tsis tso cai rau koj mus downgrade nws li ntawd.
Puas yog macOS Catalina zoo dua Mojave?
Kom meej meej, macOS Catalina nqaij nyug nce kev ua haujlwm thiab kev ruaj ntseg hauv koj lub Mac. Tab sis yog tias koj tsis tuaj yeem tso nrog cov duab tshiab ntawm iTunes thiab kev tuag ntawm 32-ntsis apps, koj yuav xav nyob nrog Mojave. Tseem, peb pom zoo muab Catalina sim.
Yuav ua li cas kuv downgrade los ntawm Catalina rau Mojave yam tsis muaj thaub qab?
Hauv macOS Utilities qhov rai, nyem Disk Utility. Xaiv lub hard drive nrog Catalina rau nws (Macintosh HD) thiab xaiv [Lwv]. Muab koj lub Mac lub hard drive ib lub npe, xaiv Mac OS Extended (Journaled), thiab tom qab ntawd nyem [Luag]. Xaiv APFS Yog hais tias downgrading rau macOS 10.14 Mojave.
How do I downgrade from Catalina to High Sierra without losing data?
Downgrade macOS (xws li: Downgrade macOS Mojave rau High Sierra)
- Txuas lub USB tsav sab nraud (nrog 16GB min), qhib Disk Utility, thiab xaiv USB tsav, nyem lwv.
- Rename lub USB tsav li "MyVolume" thiab xaiv APFS los yog Mac OS Extended raws li hom ntawv, nyem lwv. Tawm Disk Utility thaum ua tiav.
Yuav ua li cas kuv downgrade kuv Mac yam tsis poob cov ntaub ntawv?
Methods to Downgrade macOS/Mac OS X
- Ua ntej, pib dua koj Mac siv Apple> Restart xaiv.
- Raws li koj Mac rov pib dua, nias qhov Command + R cov yuam sij thiab tuav lawv kom txog thaum koj pom Apple logo ntawm lub vijtsam. …
- Tam sim no nyem rau ntawm qhov "Restore from a Time Machine Backup" kev xaiv ntawm lub vijtsam thiab tom qab ntawd nyem rau ntawm lub pob txuas ntxiv.
Yuav ua li cas kuv downgrade kuv Mac yam tsis muaj sij hawm tshuab?
Yuav ua li cas Downgrade macOS yam tsis muaj sij hawm tshuab
- Download tau lub installer rau macOS version koj xav nruab. …
- Thaum downloaded, tsis txhob nyem rau ntawm Install! …
- Thaum ua tiav, pib dua koj Mac. …
- Hauv hom rov qab, xaiv "Reinstall macOS" los ntawm Utilities. …
- Thaum ua tiav, koj yuav tsum muaj daim ntawv luam ua haujlwm ntawm macOS qub.
How do I uninstall Catalina from my Mac?
4. Uninstall macOS Catalina
- Xyuas kom tseeb tias koj Mac txuas nrog hauv internet.
- Nyem rau ntawm Apple zaub mov thiab xaiv Restart.
- Tuav Command + R kom khau raj rau hauv hom rov qab.
- Xaiv Disk Utility hauv macOS Utilities window.
- Xaiv koj qhov pib disk.
- Xaiv lwv.
- Kev Tsim Tsum Disk Utility.
Kuv yuav backup kuv tag nrho Mac rau iCloud li cas?
Thaub qab nrog iCloud.
iCloud Drive: Open System Preferences, click Apple ID, then click iCloud and deselect Optimize Mac Storage. The contents of your iCloud Drive will be stored on your Mac and included in your backup.
Yuav ua li cas kuv downgrade los ntawm Big Sur rau Mojave?
Yuav ua li cas Downgrade macOS Big Sur rau Catalina lossis Mojave
- Ua ntej tshaj, txuas lub sij hawm tshuab tsav rau koj Mac. …
- Tam sim no, reboot lossis rov pib dua koj Mac. …
- Thaum koj Mac reboots, tam sim ntawd nias thiab tuav lub Command + R yuam sij rau khau raj koj Mac rau hauv hom rov qab.
- Ua li no yuav coj koj mus rau macOS Utilities screen.