--- description: OpenWrt-FAQ title: How to fix device when "Read Only Root filesystem" image: https://files.seeedstudio.com/wiki/wiki-platform/S-tempor.png slug: /fix_device_ReadOnlyRootFilesystem last_update: date: 6/21/2023 author: Seraphina --- For devices in the "Read Only Root filesystem", we can use `e2fsck` to check the system and fix it. Please open the terminal window and run the following command: ``` e2fsck /dev/mmcblk0p2 ```