How to Fix (and Prevent) the Latest ChromeOS Bugs - Lifehacker

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Chrome OS users have reported a severe bug in the latest system update that locks them out of their Chromebooks. For some reason, Chrome OS fails to recognize users’ Google account passwords when they attempt to log in after installing version update 91.0.4462.165. The botched update may also be causing other serious bugs, like boot loops.

According to 9to5Google, update 91.0.4462.165 appears to no longer be available, and Google is working on a patch to fix the errors it caused that will hopefully roll out soon. That said, to avoid these issues, don’t download or install any new Chrome OS updates until it is confirmed Google’s new patches work correctly. If the update is already downloaded but not yet installed, do not reboot your device.

If you’ve already installed Chrome OS version 91.0.4462.165 and are experiencing the unrecognized password bug, you’ll have to wait for the new update to appear, but once it’s available, you should be able to log back in safely. Luckily, you’ll be able to log into your Chromebook as a guest and download update files even if the primary user account isn’t working.

How to install Chrome OS updates in Guest mode

At the Chromebook login screen, click “Browse as guest.”
Once you’re in, go to Settings > About Chrome OS.
Click “Check for updates.”
The update will begin automatically if a patch is available.

It’s also possible to continue using your Chromebook as a guest while you wait for the patch to arrive. This isn’t be a great longterm solution, as you won’t be able to perform certain admin-level tasks and all guest account data—including browsing history and downloaded files—gets deleted when you exit guest mode. Still, it’s better than using your Chromebook as a paperweight while Google works on fixing this round of Chrome OS bugs.

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That said, you can also perform a factory reset to regain full access to your Google account on your Chromebook right now. Doing so deletes all files and apps saved on your device, removes your Google accounts, and restores the default system settings. We do not recommend a factory reset unless you absolutely must restore Google account access on your Chromebook right away.

How to factory reset a Chromebook

At the login screen, tap and hold the Ctrl + Alt + Shift + r keys.
Click “Restart.”
Select “Powerwash.”
Click “Continue.”
Wait while the reset process takes place, and follow any onscreen instructions when they appear.
Sign in to your Google account when prompted.

Use the Recovery Utility to restore Chromebooks stuck in a boot loop

Unfortunately, none of these workarounds apply to users experiencing a boot loop. Instead, you’ll need to create USB ChromeOS recovery media using a separate Chromebook or PC, a USB thumb drive, and the Chromebook Recovery Utility. Download the utility, follow the instructions, then plug it into the affected Chromebook to reinstall Chrome OS. This wipes your device just like a factory reset would, but it’s your only option if you want to return the Chromebook to working order.

[Android Central]

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