As we’ve recently seen, sometimes a bug gets by testing with a new Chrome OS Stable Channel release. Here’s how to revert Chrome OS back to a prior version.

Got an old Chromebook that’s passed its AUE, or automatic update expiration date? Consider giving CloudReady a try: The Chromium OS-based platform may work on your old device and bring you security updates long after Google stops providing them.

Here’s how to find your Chromebook board name. This is useful to track Chrome OS releases and for recovery software.

In mid-October, Google began updating Chromebooks to the Chrome OS 86 Stable Channel. Now most devices show that Chrome OS 85 is the most recent, indicating a temporary pull-back of the latest software.