怎样用∪盘重装电脑系统
作者：我是四海飘零
前言
在烟草公司工作的朋友，也就是我一个关系很铁的哥们在今年这个月（2023年2月10号）帮他女朋友捡漏到了一台集团公司领导退库的MacBook Air 2018款苹果笔记本电脑。
这是一台MacBook Air 2018款，Retina高清屏，Intel Core i5双核处理器+8GB内存+128GB SSD的版本，公司购于2019年4月份采购。按照当初7800元的采购价，套用集团退库设备的折旧费计算公式：采购原价格*（1-5%）/折旧年限（n）/使用月份（12）*入职年限（x）。
折旧费：7800(1-5%)4125771.875，实际安装四舍五入是772元拿下这台MacBook Air 2018款的苹果电脑，你说香不香。
macOS Mojave
我哥们当时去退库的设备间里看到这台MacBook Air 2018还是比较脏的，电脑的机身上表面全是灰尘。正好这台也在退库的清单上，可以企业员工内购，所以就开机看看能不能正常运行。
不得不说这台MacBook Air 2018款开机实在是太慢了，完全不像是有固态盘的样子。进系统里查看才知道，原来系统还是macOS Mojave（10.14.4）版本，这都多久之前的系统了。好在屏幕的确是Retina高清屏，分辨率：25601600。的确是128GB的固态盘，就是固态盘的可用空间只有56.34GB。我估计就是因为开机反应慢+固态盘容量小才会被哥们集团公司领导弃用了，不然不会在退库设备间里堆放到布满灰尘。
MacBook Air 2018的电源线和充电头
我哥们决定赌一把看看，如果按照集团公司折旧费计算大概就是不到800元，但是一旦从公司退库设备间买走了，后面是好是坏则全由自己承担。好在哥们有仔细检查MacBook Air 2018的电源线和充电头，发现也就是线材的外表显得脏了些，并没有出现线材断头的情况。
这个是买回来后重新做了消毒和清洁，肉眼可见的会有划痕和一些脏的物质，这个是擦拭了好几遍最后的样子，算是比较干净了。
30W USB-C苹果原装充电器，输出：20V-1.5A（30W）、15V-2A（30W）、9V-3A（27W）、5V-3A（15W）。
从这个角度看已经是花了不少心思做清理的，但是线材上的污渍的确是不太好清理，但是胜在是原装线脏点又不是不能用？
看到这里我才明白原来这台MacBook Air 2018是港版的机器，难怪之前在退库设备间里一直放着吃灰。后面是我帮哥们找到一个英标（港版）插头转国标插头的转换插座。
MacBook Air 2018 Retina
MacBook Air 2018款都是重新擦拭干净后才摆拍的，拍摄的环境远比之前仍在退库设备间里杂乱环境强很多。当然机身上肯定会有一些轻微的划痕和轻微磕碰的印记，但并不是很明显。
我哥们说如果是金色款的MacBook Air就更好了，但是800元不到能收到一台成色很不错的MacBook Air 2018款已经算是超级捡漏王了好嘛！做人要知足常乐。
MacBook Air 2018款的四个脚垫也有明显的使用后的痕迹，不过也已经很用心的擦拭干净了。
这台MacBook Air 2018款在机身I/O接口方面只有两个雷电3的USB-C接口和一个3.5mm音频接口。我查询过苹果官网说MacBook Air 2018款支持通过雷电3外接图形处理器（eGPU），但是不清楚是不是要用那种雷电3显卡扩展坞搭配使用，再说在macOS系统下也没啥游戏可以玩，这个功能是不是鸡肋就不在这探讨了。
看了一下MacBook Air的成色的确是蛮好的，不存在明显肉眼可见大面积磕碰凹陷、挤压变形的情况。
之前的键盘上油脂太明显了，拿消毒水和湿纸巾仔细的擦拭才显得这么干净。当然这个macOS系统是我后面帮哥们重装的。
苹果MacBook Air模具可以用几年也的确是耐看，只要舍得花钱用CNC工艺做出的机身肯定质感是很不错的。
MacBook Air 2018款的屏幕上还是明显有一些涂层脱离，但并不影响使用体验。
这个是MacBook Air 2018款的触控ID按键，带有Touch ID。
这个是屏幕开启最高亮度下的显示效果，不愧是买屏幕送电脑的苹果啊。
重装macOS Venture（macOS 13.2.1）系统
制作好了macOS Ventura系统USB引导盘，开机按下Option键后即可看到：Install macOS Ventura。
默认情况下Mac电脑都是安全设置不允许使用外部启动盘，需要关掉这个功能才能重装系统。
修改启动安全性实用工具，输入macOS密码后解锁。
在安全启动中选择：无安全性，在外部启动中选择：允许从外部介质启动。
进入macOS系统安装界面。
如果按下解锁没有用的话，提示请解锁“Macintosh HD”无反应的时候，那就只能对固态盘做初始化了。
直接抹掉固态盘重装系统就行了，按图设置文件系统格式：APFS，方案：GUID分区图。
开始安装macOS Venture（macOS 13.2.1）系统。
这个是重装后的macOS系统，当前版本：macOS Ventura 13.2.1。
macOS Ventura（macOS 13.2.1）系统信息
MacBook Air 2018款的硬件配置：1.6GHz双核Intel Core i5处理器，Intel UHD Graphics 617集成显卡，8GB 2133 MHz LPDDR3内存，128GB固态盘（重装系统后默认可用空间：104.18GB），Retina（视网膜）13.3英寸IPS屏，分辨率：25601600。
已经启用了：自动清倒废纸篓和优化存储空间。
在MacBook的硬件概览里是看不到具体的处理器型号的，但可以看到硬件概览：MacBookAir8.1，处理器名城：双核Intel Core i5，处理器速度：1.6 GHz，内存：8GB。
Apple SSD的型号：AP0128M，链接宽度：x4，链接速度：8.0 GT/s。
MacBook Air的主板各板载了4GB LPDDR3内存颗粒，内存频率：2133 MHz，组双通道内存总容量：8GB。
Intel UHD Graphics 617，VRAM（动态最大值：1536MB），支持Metal 3。内建视网膜LCD，分辨率：25601600。
MacBook Air 2018的电池状态：正常，循环次数：28。
MacBook Air 2018支持两个雷电3（USB-C）接口，速率最高可达40Gb/秒。
MacBook Air 2018支持的PHY模式：802.11 a/b/g/n/ac，Wi-Fi频宽：80MHz。
8GB内存和128GB SSD测速
用AmorphousMemoryMark 3.0测得数据，连续读取：25.26 GB/s，连续写入：13.31 GB/s。
用AmorphousDiskMark 3.1测得数据（1GiB），连续读取：1483.81 MB/s，连续写入：666.19 MB/s。
用SENSEI测速，连续读取：1808 GB/s，连续写入：531.5 MB/s。
用ATTO DISK BENCHMARK测得数据（1GiB），连续读取：1.75 GB/s，连续写入：567.31 MB/s。
用Disk Speed Test For Mac测得数据，连续写入：514.8 MB/s，连续读取：1758.7 MB/s。
用AJA System Test Lite测得数据（4GB），连续写入：521 MB/s，连续读取：1019 MB/s。
SENSEI
可以用SENSEI来查看MacBook Air的硬件信息和资源使用率情况。
128GB固态盘的型号：Apple SSD AP0128M。
Intel UHD Graphics 617集成显卡。
视网膜屏幕，分辨率：25601600，可惜屏幕的生产日期是2017年的。看来苹果也不是没有用过这些存放有些年限的库存元器件啊。
电池健康度：97%，说实在这个电池容量的健康度绝对是赚到了。
Archey OSx Master
用Archey OSx Master识别出的型号：MacBook Air 8.1（2018款MacBook Air）的硬件信息。
MachineProfile
MachineProfile识别出来MacBook Air 2018款苹果电脑的CPU型号：Intel Core i5-8210Y，处理器代号：Amber Lake，处理器主频：1.6GHz，物理核心：2核（2Cores）。目前MacBook Air 2018款苹果电脑最高支持操作系统：macOS 13.2.1（Ventura）。
128GB SSD的文件系统是APFS。
查看电池的硬件信息情况，这台2018年的MacBook Air苹果电脑的电池损耗后的健康度还有97.1%，看样子这台MacBook Air使用并不频繁。MacBook Air苹果电脑的AC输出：30W，使用的是USB-C充电器。
硬件狗狗（macOS）
硬件狗狗（macOS）的硬件检测识别到的信息。
2018款MacBook Air的核心硬件性能得分：46077分。
CPU综合性能测试得分：14129分。
SSD综合性能测试得分：6994分。
内存测试得分：22258分。
CrossMark（macOS）
用CrossMark（macOS）测试，总体得分：561， 生产率得分：611， 创造性得分：507， 反应能力得分：590。
GeekBench（macOS）
用GeekBench软件来测试一下CPU性能。
用GeekBench软件测试，单核性能得分：753，多核性能得分：1444。
用GeekBench软件测试，Metal得分：3808。
用GeekBench软件测试，OpenCL得分：4040。
这个是用GeekBench软件识别出来MacBook Air 2018的硬件信息。
CINEBENCH R23（macOS）
用CINEBENCH R23软件测试CPU性能，单核：784 pts，多核：1600 pts，MP Ratio：2.04 x。
MacBook Air的保护袋
既然是哥们送给他的女朋友，购买了一个MacBook Air专用的保护袋，粉色的女孩子们肯定会很喜欢吧。
总结
这也是目前能够体验到最新macOS系统的MacBook Air了，整体硬件性能的确是比较落伍的。而且苹果对于小容量固态盘在写入速度只能说很一般，也就是读取速度还凑合吧，要问到底值不值得买，这个价位肯定是很值的入手啊。
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Air 2018值得入手吗？不到800元拿下，成色真不错，确实是捡漏了！附重装系统和硬件性能测试
明哀适4106我想用u盘装电脑系统怎么搞 -
廖清昌15292613636 ______ (1)第一点,如何将U盘制成可以做系统的U盘启动盘:使用大白菜U盘制作工具 朋友,你好,用U盘重装XP的步骤如下: (1)第一点,如何将U盘制成可以做系统的U盘启动盘: 你就是到网上下载一个叫:大白菜启动盘制做工具,就可以了,安...
明哀适4106怎样用U盘重装系统
廖清昌15292613636 ______ 1、下载一个PE安装在优盘.推荐你直接下载“通用PE工具箱”,百度可以直接找到,至于如何安装,打开安装包之后会有提示.2、可以用手机内存卡(1G及以上).3、装机全程大概10分钟左右.4、优盘的容量大于等于1G.5、严格来说,快慢并无多大差距,本人试验过1G和8G的优盘装起来基本看不出时间快慢.6、直接百度下载操作系统的镜像(.iso)格式.7、正版系统在网上怎么可能下载的到呢? 系统之家: http://www.xitongzhijia.net/
明哀适4106电脑怎么用u盘重装系统 -
廖清昌15292613636 ______ 1、把你下载的xp系统先从优盘转出来到别的盘上,或者电脑上除了c盘以外的盘.2、下载老毛桃、大白菜、或者电脑店之类的启动盘制作工具.3、用2步骤下载的工具一键制作启动盘,然后把你刚才保存到别的地方的xp系统复制到优盘里面的...
明哀适4106电脑怎么用U盘安装系统?
廖清昌15292613636 ______ 如果你的U盘足够大,可以下载一个好一点的PE系统,如果不是很大,就下载一个PE通用版,将PE安装到U盘,然后下载一个ISO镜像的系统文件,建议是深度的ghost版系统,提取里面的gho文件复制到U盘的根目录,接着从U盘启动,运行PE系统里面的ghost,还原U盘根目录的gho文件来安装系统.
明哀适4106电脑怎么用U盘重装系统?
廖清昌15292613636 ______ http://www.upanok.com/,下载软件按操作就成了,前提是你得有U盘.
明哀适4106怎样用U盘重装windows系统?
廖清昌15292613636 ______ 重装系统第一步-创建USB启动盘 首先你得有个U盘. 然后插入U盘 右键命令提示符-以管理员身份运行 输入以下命令并回车以获取U盘的序号 diskpart list disk 我这U盘序号为1 输入如下命令以格式化U盘 select disk 1 clean create partition primary...
明哀适4106如何才能学会用U盘重装电脑系统 -
廖清昌15292613636 ______ 装系统方法很多,不要盯着一种,例如:虚拟机,系统光盘,一键重装都可以的
明哀适4106请问用U盘怎样重装系统
廖清昌15292613636 ______ 将系统拷贝到U盘中,刚开始开机时要按del键进入BIOS设置来决定开机第一启动设备,你不要把它设为:cdrom,而要设为:usb,这样就可以从u盘进行系统重装了,其他步骤同从光盘进行系统重装.但是尽量不要从u盘重装,因为它会使u盘在重装的过程中产生大量的热,如果u盘性能不是很好的话,坏掉是很有可能的.如果还能进入旧的操作页面的话,不妨把重装的系统文件考到电脑里,直接点开其中的安装程序按其指定步骤进行重装!这些东西看似复杂,自己操作一遍就什么都懂了.有的计算机主板不支持从del键进入bios设置,可能有下列集中进入方式:按F1;按F2;按ESC后再按F8.
明哀适4106有谁可以教我如何用U盘重装电脑系统?? -
廖清昌15292613636 ______ 如果是安装Win7系统的话请按照以下步骤操作首先从微软官网下载Win7的ISO 镜像文件 然后格式化U盘(移动硬盘格式化第一个盘符 活动主分区).将Win7的ISO镜像文件解压缩后把解压...
明哀适4106用u盘怎样重装系统
廖清昌15292613636 ______ ①主板是否支持②格式化u盘,将系统iso解压到u盘③开机选择usb启动.之后就和光盘装一样了.