更新 Chromebook 的操作系统可以解决性能问题和系统故障。谷歌(Google)还通过ChromeOS更新为 Chromebook 推出了新功能。(new features for Chromebooks)本文将帮助您了解Chromebook如何处理软件更新。
您还将了解如何在您的个人、学校或工作Chromebook上安装最新版本的(Chromebook)ChromeOS。
Chromebook 自动下载更新(Chromebook Downloads Updates Automatically)
(Chromebooks)当连接到 Wi-Fi(connected to Wi-Fi)或以太网时， Chromebook会自动扫描并下载ChromeOS更新。
打开“设置”(Settings)应用，然后在边栏上选择“关于 ChromeOS(About ChromeOS) ”。如果您的Chromebook下载了更新，您会在“关于 ChromeOS”页面上找到重新启动按钮。(Restart)选择重新启动(Restart)以完成设备更新。
这意味着您的Chromebook需要重新启动才能完成软件更新安装。当有新的待处理软件更新时，ChromeOS还会将“可用更新(Update)”通知推送到Chromebook的系统托盘。(Chromebook)
点击Chromebook 屏幕右下角的时间，然后选择(time)重新启动以更新(Restart to update)通知。
快速提示：(Quick Tip:)在Chrome浏览器地址中输入chrome://settings/helpChrome book 当前的ChromeOS版本。
手动检查(Check)Chromebook(Chromebook Updates)更新
Chromebook(Chromebooks)有时无法自动检查和下载软件更新。幸运的是，您始终可以在设置菜单中自行检查更新。
前往设置(Settings)>关于 ChromeOS(About ChromeOS)，然后选择检查更新(Check for updates)按钮。这会强制您的 Chromebook 检查并下载可用的更新。
您的Chromebook开始下载适用于您的Chromebook的任何新更新。下载时间将根据您的连接速度和ChromeOS更新的大小而有所不同。
如果您的Chromebook使用蜂窝数据或手机的热点，您会看到一条提醒，通知您更新需要多少数据。选择继续(Continue)以启动软件更新过程。
选择重新启动(Restart)按钮以完成更新。在重新启动Chromebook之前(Chromebook)关闭(Close)所有应用程序，以免丢失未保存的数据。
如果您拥有最新的Google ChromeOS(Google ChromeOS)版本，则会显示“您的 Chromebook 是最新的”消息。
当您检查软件更新时，Google会收集有关您的Chromebook 的一些信息——型号(Chromebook—model)、ChromeOS版本、语言等。有关您的Google帐户的个人数据或信息不会发送给Google。
无法更新(Update)您的Chromebook？尝试(Try)这些修复
如果您的Chromebook(Chromebook)无法下载或安装最新的 ChromeOS 版本，请尝试以下故障排除修复。
检查您的互联网连接(Check Your Internet Connection)
互联网连接缓慢(Slow)或不稳定可能会阻止您的Chromebook下载软件更新。如果您使用的是移动数据，请切换到Wi-Fi或以太网。(Ethernet)如果您使用的是Wi-Fi，将Chromebook移近路由器可以提高连接质量或速度。
如果网络不适用于Chrome 操作系统(Chrome OS)设备，您的Chromebook 可能会断开与 Wi-Fi的连接。(Chromebook may disconnect from Wi-Fi)Chromebook(Chromebooks)支持使用WEP、动态 WEP(Dynamic WEP)、WPA-Enterprise、WPA-Enterprise、WPA-PSK协议/设置的开放和安全网络。此Google 支持文档(Google Support document)包含有关 Chromebook 的Wi-Fi网络兼容性的更多信息。
(Reboot)如果您无法通过Wi-Fi或以太网安装(Ethernet)ChromeOS更新，请重新启动您的路由器或更新其固件。如果问题仍然存在，请重置您的路由器(Reset your router)或联系您的网络提供商或管理员以获得支持。
重启您的 Chromebook(Reboot Your Chromebook)
重新启动 Chromebook 可以解决阻碍下载或安装ChromeOS更新的临时系统故障。
点击屏幕右下角的时间，然后选择(time)电源图标(Power icon)以关闭 Chromebook。
等待(Wait)1-2 分钟，打开您的Chromebook，将其连接到Wi-Fi或以太网(Ethernet)，然后再次检查更新。
Powerwash（恢复出厂设置）您的 Chromebook(Powerwash (Factory Reset) Your Chromebook)
如果您的Chromebook(Chromebook)无法下载或安装软件更新，请将其重置为出厂默认设置。Powerwashing Chromebook会擦除其硬盘驱动器。因此，我们建议在出厂重置(Hence)Chromebook之前将重要文件备份到Google Drive或外部存储设备。
转到“设置”(Settings) > “高级(Advanced)” > “重置设置(Reset settings)” ，然后选择“重置(Reset)”按钮。
在弹出窗口中选择重新启动以开始恢复出厂设置过程。(Restart)有关详细说明，请参阅我们的 Chromebook 强力清洗教程。(tutorial on powerwashing a Chromebook)
联系您的管理员(Contact Your Administrator)
您可能无法在您的工作或学校管理的Chromebook上更新操作系统。请联系您的学校或工作管理员以安装ChromeOS更新。
获取最新功能
安装ChromeOS更新会添加最新的安全功能并帮助您的Chromebook顺利运行。如果您在尝试上述故障排除修复后仍无法安装ChromeOS更新，请联系您的Chromebook 制造商。(Chromebook manufacturer)
How to Update Your Chromebook
Updating your Chromebook’s operating system cаn resolve performance issues and system failures. Google also rolls out new features for Chromebooks through ChromeOS updates. This article will help you understand how Chromebook handles software updates.
You’ll also learn how to install the latest version of ChromeOS on your personal, school, or work Chromebook.
Chromebook Downloads Updates Automatically
Chromebooks automatically scan for and download ChromeOS updates when connected to Wi-Fi or Ethernet.
Open the Settings app and select About ChromeOS on the sidebar. If your Chromebook downloaded an update, you’d find a Restart button on the “About ChromeOS” page. Select Restart to finish updating your device.
That means your Chromebook needs to reboot to complete the software update installation. ChromeOS also pushes an “Update available” notification to your Chromebook’s system tray when there’s a new pending software update.
Tap the time in the bottom-right corner of your Chromebook’s screen and select Restart to update on the notification.
Quick Tip: Entering chrome://settings/help in the Chrome browser address displays your Chromebook’s current ChromeOS version.
Manually Check for Chromebook Updates
Chromebooks sometimes fail to check for and download software updates automatically. Luckily, you can always check for updates yourself in the settings menu.
Head to Settings > About ChromeOS and select the Check for updates button. That forces your Chromebook to check for and download available updates.
Your Chromebook starts downloading any new update available for your Chromebook. The download time will vary depending on your connection speed and the size of the ChromeOS update.
If your Chromebook uses cellular data or your phone’s hotspot, you’ll see an alert notifying you how much data the update requires. Select Continue to start the software update process.
Select the Restart button to complete the update. Close all apps before rebooting your Chromebook so you don’t lose unsaved data.
A “Your Chromebook is up to date” message shows up if you have the latest Google ChromeOS version.
When you check for software updates, Google collects some information about your Chromebook—model number, ChromeOS version, language, etc. No personal data or information about your Google account is sent to Google.
Can’t Update Your Chromebook? Try These Fixes
Try the troubleshooting fixes below if your Chromebook won’t download or install the latest ChromeOS version.
Check Your Internet Connection
Slow or inconsistent internet connection may prevent your Chromebook from downloading software updates. Switch to Wi-Fi or Ethernet if you’re using mobile data. If you’re using Wi-Fi, moving your Chromebook closer to your router can improve connection quality or speed.
Your Chromebook may disconnect from Wi-Fi if the network doesn’t work with Chrome OS devices. Chromebooks support open and secure networks that use the WEP, Dynamic WEP, WPA-Enterprise, WPA-Enterprise, WPA-PSK protocols/settings. This Google Support document has more information about Chromebook’s Wi-Fi network compatibility.
Reboot your router or update its firmware if you can’t install ChromeOS updates over Wi-Fi or Ethernet. Reset your router or contact your network provider or administrator for support if the issue persists.
Reboot Your Chromebook
Restarting your Chromebook could resolve temporary system glitches hindering the download or installation of ChromeOS updates.
Tap the time in the bottom-right corner of your screen and select the Power icon to shut down your Chromebook.
Wait 1-2 minutes, turn on your Chromebook, connect it to Wi-Fi or Ethernet, and check for updates again.
Powerwash (Factory Reset) Your Chromebook
Reset your Chromebook to factory default if it won’t download or install software updates. Powerwashing your Chromebook erases its hard drive. Hence, we recommend backing up important files to Google Drive or an external storage device before factory resetting your Chromebook.
Go to Settings > Advanced > Reset settings and select the Reset button.
Select Restart on the pop-up to start the factory reset process. Refer to our tutorial on powerwashing a Chromebook for detailed instructions.
Contact Your Administrator
You might be unable to update the operating system on a Chromebook managed by your work or school. Contact your school or work administrator to install a ChromeOS update.
Get the Latest Features
Installing the ChromeOS updates adds the latest security features and helps your Chromebook run smoothly. Contact your Chromebook manufacturer if you still can’t install ChromeOS updates after trying the above troubleshooting fixes.
