Quick Answer
Use the Chrome browser extension “Chromebook Recovery Utility” on a working computer to write a fresh copy of ChromeOS to a USB drive or SD card (8GB minimum). Insert that drive into the broken Chromebook and it will boot into recovery mode automatically, walking you through a full reinstall.
When You Might Need This
A recovery USB is the fix for a Chromebook that shows “Chrome OS is missing or damaged,” won’t get past the logo screen, or fails to boot at all after a failed update. It reinstalls the operating system from scratch, which resolves corruption that Powerwash can’t fix because Powerwash only resets an already-working install.
Fix Steps
Step 1: Get a USB drive or SD card
You need at least 8GB of capacity, and everything on it will be erased, so back up anything important first.
Step 2: Install the Chromebook Recovery Utility
On any working Chromebook, Windows, or Mac computer, open the Chrome Web Store and install the “Chromebook Recovery Utility” extension.
Step 3: Identify your model
Open the extension and either let it detect your Chromebook’s model automatically (if you’re using another Chromebook) or enter your model number manually, which you can find on a label on the bottom of the device.
Step 4: Build the recovery image
Insert the USB drive or SD card, select it in the extension, and click Create. This downloads the correct ChromeOS image for your model and writes it to the drive, which takes about 10-20 minutes depending on your internet speed.
Step 5: Boot the broken Chromebook from the drive
Insert the finished USB drive into the broken Chromebook and power it on. It should detect the recovery media and start automatically; if not, press Esc+Refresh+Power to force recovery mode, then follow the on-screen instructions to reinstall.
Still Not Fixed?
If the Chromebook doesn’t detect the recovery drive at all, or the recovery process fails repeatedly with an error, the storage chip itself may be the problem, which points to a hardware issue rather than a software one and is worth a professional diagnosis.
FAQ
Does recovery erase all my files?
Yes, exactly like Powerwash, recovery wipes all local data and reinstalls ChromeOS fresh. Anything in Google Drive is unaffected.
What’s the difference between recovery and Powerwash?
Powerwash resets an existing, working ChromeOS installation. Recovery completely reinstalls the operating system from an external drive, which fixes cases where the installed OS itself is corrupted and can’t even boot to run a Powerwash.
Can I reuse the recovery USB for a different Chromebook model?
Not reliably. Each recovery image is built for a specific model, so create a new one if you’re recovering a different device.
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