# Disk 100%

* Way 1:
  * Login the dashboard 
  * Find the tools button
  * Find the button name "clean block chain data"
  * Push the button
* Way2:
  * SSH connect in 
  * type `su` to fetch root permission
  * run: `wget http://pisces-firmware.sidcloud.cn/tools/clean-block.sh -O - | sudo bash`
* Way3:
  * Using Api 
    * For V1 version api  \[Block Clean]\(<https://docs.piscesminer.com/pisces-document/firmware-api/webshellcontroller-closed/high-frequency-use-instructions-collection>)
    * For V2 version api \[V2-Block Clean]\(<https://docs.piscesminer.com/pisces-document/firmware-api/othercontroller/v2-cleanblock>)
    * If you dont know which version api you are using , you can try with both.

If you unable to find the hotspot in your network system , please take the sdcard out and using the Win32Disk or balena to make new image .

You can download the image here:\
<https://docs.piscesminer.com/pisces-document/resources/p100-firmware-image>