To repair bad sectors, please refer to the two methods below:
1. Run "CHKDSK" command to fix disk errors on Windows OS.
a. Check your computer to see what the designated letter of your StoreJet is (e.g. E:)
b. Run Windows Command Prompt as administrator
c. Type in CHKDSK /f E: to repair
2. Perform a low level format first and then followed by a quick format using the RecoveRX. Click the following link to download the RecoveRX: