求助, Big Sur 升级安装失败 - V2EX
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Senasiko
V2EX    macOS

求助, Big Sur 升级安装失败

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  •   Senasiko Nov 19, 2020 2949 views
    This topic created in 1984 days ago, the information mentioned may be changed or developed.

    我的是 MBP ( 15-inch, 2017 )从 10.14 升级 Big Sur,下载正常,但是在重启安装的时候一直卡在这里,卡几十分钟之后就提示更新出错,然后只能重启,又到这个地方,陷入死循环... upgrade.jpg

    7 replies    2020-11-20 16:43:11 +08:00
    chiv2
        1
    chiv2  
       Nov 19, 2020
    清掉 PR Ram 再试?重启时按住 cmd + opt + P + R 听到三次 duang 。
    Senasiko
        2
    Senasiko  
    OP
       Nov 19, 2020
    @chiv2 我听到一次 duang 就进入到登录界面了,输入密码之后就直接重启,然后又进到登录界面...
    chiv2
        3
    chiv2  
       Nov 19, 2020
    可能的原因:
    1. Big Sur (其实从上一代就开始)升级时有一定几率干掉 Bios/T2 Chip,不过这种情况下一般直接黑屏,不会进入界面。
    2. 下载过程中出问题导致文件出错,这个可能性不大。
    3. 机器本身有其他软硬件问题,不影响平时运行但是升级时问题被暴露。
    17 版能从外接硬盘启动其他系统不?
    Senasiko
        4
    Senasiko  
    OP
       Nov 19, 2020
    @chiv2 可以,恢复 os 里可以选择从其他磁盘启动系统,话说我在恢复 os 里输入用户密码输入对了却提示错误,苦恼
    chiv2
        5
    chiv2  
       Nov 20, 2020
    只能在恢复模式多试试了,或者 cmd opt r 重装? 我至今没敢升级 Bug Sur 。
    Senasiko
        6
    Senasiko  
    OP
       Nov 20, 2020
    @chiv2 看来只能重装了,去年就一直没敢升,结果今年勇敢尝试一下就失败了 orz
    zeroz
        7
    zeroz  
       Nov 20, 2020
    early15 款一直没敢动....
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