4.4.3. Extended Self-test

Stellar Drive Monitor allows you to perform an Extended Self-test to deeply check the electrical and mechanical performance along with the read/write operations on the entire disk surface. The Extended Self-test is extensive and more time-consuming, requiring several hours to thoroughly scan the entire disk. 

Note: Extended Self-test feature is not available for external storage devices such as USB drives, NVMe, Memory Cards etc.

Note: If your computer has multiple hard disks connected to it, you can select the desired drive from the drop-down list, located at the top-right of the user interface.

Steps to Perform an Extended Self-test: 

1. Run Stellar Drive Monitor.

2. Select a hard disk you want to scan from the drop-down list, located at the top-right of the user interface.

3. Select Scan Disk from the left pane of the user interface.

4. Three options to scan your disk, i.e., Scan Disk, Short Self-test, and Extended Self-test, will appear. Choose Extended Self-test for an extensive scan.

5. Extended Self-test window appears with your selected disk's Model Number and Serial Number along with the Test Name and Status. Click Scan.

6. A progess bar shows the scanning process along with the percentage and remaning time of the test.  

Note: You can click Stop button if you wish to abort the scanning process. However, you will not be able to resume the scan from where you stopped.

7. After the Extended Self-test is completed successfully the following screen appears with "Successfully Completed" status. 

Note: "Test failed by Read Element" status is displayed if Stellar Drive Monitor is unable to read any element of the disk.  

8. Navigate to the three options for scanning by clicking the Back button.

Note: You can re-initiate scanning multiple times from the same screen by clicking the scan button.