Quick Answer
If your Chromebook won’t update, go to Settings > About ChromeOS > Check for updates, and make sure you’re connected to Wi-Fi with at least 20% battery or plugged in. If the update still won’t start, restart the Chromebook and try again — a stuck background process is the most common blocker.
Common Causes
- Not enough free storage space for the update to download
- Low battery or the device isn’t plugged in
- A restrictive or unstable Wi-Fi/network connection
- The device has reached its Automatic Update Expiration (AUE) date
- A managed device with updates controlled by a school or company policy
- A stuck update process from a previous failed attempt
Step-by-Step Fixes
1. Check for Updates Manually
Go to Settings > About ChromeOS > Check for updates. If an update is found, it downloads in the background; click Restart to update once it’s ready.
2. Connect to a Stable Wi-Fi Network
Updates can fail silently on restrictive networks like school or hotel Wi-Fi. Try a home network or a phone hotspot if the update won’t download on your current connection.
3. Free Up Storage Space
Open the Files app and check available storage under My files. Delete downloaded files, empty the Downloads folder, and uninstall unused apps if space is low — updates need several gigabytes free to download and install.
4. Plug In the Charger
ChromeOS blocks updates below a minimum battery threshold to avoid a shutdown mid-install. Keep the Chromebook plugged in while updating.
5. Restart and Try Again
A simple restart clears a stuck update service. After restarting, go back to Settings > About ChromeOS and check for updates again.
6. Check Your AUE (Auto Update Expiration) Date
Every Chromebook has a final supported update date. If yours has passed it, “Check for updates” will simply confirm you’re on the latest version available — there’s nothing broken, the device has aged out. Search your model plus “AUE date” to confirm.
7. Check for a Managed Device Policy
If the Chromebook is enrolled in a school or work account, updates may be scheduled or restricted by an administrator. Look for a message under About ChromeOS noting the device is managed, and contact the IT admin if so.
Still Not Fixed?
If updates still won’t install and the device hasn’t hit its AUE date, a Powerwash (factory reset) or a full recovery via USB often clears whatever’s blocking the update service. See our Software & ChromeOS guides for the Powerwash and recovery USB walkthroughs.
FAQ
Why is the update button greyed out on my Chromebook?
This usually means the device has reached its AUE date and is already on the last available version, or it’s managed by a school/work account that controls updates centrally.
How long does a ChromeOS update take to install?
Most updates download in a few minutes on a good connection and install within a minute or two after restarting. Large version jumps can take longer.
What happens if my Chromebook stops getting updates?
It keeps working, but stops receiving security patches and new features. Many users switch to ChromeOS Flex to keep an aged-out device current — see our AUE dates guide for details.
