# Step-by-Step Process to Detach and Modify EC2 Volumes in AWS

### Detach the volume

1. Open the **AWS Management Console** and navigate to the **EC2 dashboard**.
    
2. In the left navigation panel, choose **Volumes** under the **Elastic Block Store section.**
    
3. Select the volume you want to detach.
    
4. Go to **Actions** -> **Detach volume**.
    
    ![](https://cdn.hashnode.com/res/hashnode/image/upload/v1722126393535/e295be2b-9a50-42a0-9d94-1c8f192b278d.png align="center")
    
5. Click **Detach**.
    

**Note**: To detach the root volume of an instance, you must first stop the instance. After detaching the root volume, the instance cannot be started again until the root volume is reattached.

### Modifying the volume

1. Select the volume you want to modify.
    
2. Go to **Actions** -> **Modify volume**.
    
    ![](https://cdn.hashnode.com/res/hashnode/image/upload/v1722128944349/e679c449-a05c-4610-b35c-2c1b702929f2.png align="center")
    
3. Apply the changes you want, such as increasing the size from 30 to 35 GiB.
    
    ![](https://cdn.hashnode.com/res/hashnode/image/upload/v1722128950231/3c147da5-e4bc-4c02-b973-6c056469dbcd.png align="center")
    
4. Scroll and click **Modify** -> **Modify.**
    
5. You can check the size of the volume now it should be 35 GiB.
    

1. Select the volume you want to modify.
    
2. Go to **Actions** -> **Modify volume**.
    
    ![](https://cdn.hashnode.com/res/hashnode/image/upload/v1722128944349/e679c449-a05c-4610-b35c-2c1b702929f2.png align="center")
    
3. Apply the changes you want, such as increasing the size from 30 to 35 GiB.
    
    ![](https://cdn.hashnode.com/res/hashnode/image/upload/v1722128950231/3c147da5-e4bc-4c02-b973-6c056469dbcd.png align="center")
    
4. Scroll and click **Modify** -> **Modify.**
    
5. You can check the size of the volume now it should be 35 GiB.