A bad update to Chrome OS, version 91.0.4472.165, has left some users unable to sign in to their account, or with computers with known loopholes (through Android Central). If you’ve found yourself locked on your Chromebook, help is coming: Google sent on the system status page that it is working on a fix it expects to release on Wednesday. It has also pulled an update that should prevent more users from experiencing the issue.
According to Google, the only way to restore access to your Chrome OS immediately (if unfortunately it downloaded and installed the update) will result in the erasure of local data on the device. If you can wait for a new patch to be released, your device should also download the update automatically as well. Or you can start the update manually with a guest account. If your computer has downloaded a bad update but did not install it, you should avoid shutting it down or restarting it until the repair is complete.
If you can’t wait for a fixed update, Google recommends both “Powerwashing” (factory reset) for your Chrome OS device, by restoring the update With a USB recovery keyor by deleting and re-adding your account. Again, all of these solutions delete local data from the device, so be careful. The Google Status page also does not address startup looping issues – Android Central says that if you are having these issues, you will need to use a USB recovery key to reinstall Chrome OS.
The broken 91.0.4472.165 update is actually another bad update for the Chrome operating system that we saw this month: Google had to apply for a new update around July 7, when users noticed that the performance of some Chromebooks was severely stifled.