Fix Dell Error Code 2000-0142: Easy Hacks

Dell error code 2000-0142 or DST failure mainly occurs when you try to install a new hard drive in the computer. DST stands for Disk self-test which runs through a computer. These days the error is becoming a part of the faulty startup process. Essentially, DST is a test of the hard drive. When the hard drive disk is failing to function properly, then you will face some unwanted symptoms such as constant data and files corruption, screen freezing when you copy or save any data and many more. In addition, when the error code 2000-0142 appears on your device, it shows a message as:

“Hard Drive 1 – Self Test Unsuccessful  Status 79 or Msg: Hard Drive 0 – S/N WX51E43XWS20, short self-test unsuccessful.” 

Therefore, if you are suffering from this error and looking for a reliable solution in order to fix the issue, you can take help from this article. Here, we are going to provide a detailed description to get rid of this critical situation.

Possible Causes for the Dell Error Code 2000-0142

Here, in this section, we have mentioned some major causes of Dell Error Code 2000-0142. If you do not determine the problem, you obviously cannot fix this problem smoothly. So, take a glance below to identify the main factors associated with this issue.

  1. Corruption in the hard disk.
  2. Bad boot sector.
  3. Incompatible or unsupported hard disk.
  4. Virus infection.
  5. Corrupt or missing device drivers.

Symptoms of Dell Error Code 2000-0142

If you can not identify the problem, then finding the solutions won’t be appropriate. Hence, you need to identify the error code before it affects the functions of the laptop badly. Check the list of the symptoms that help you to identify the error code properly.

  1. Unable to perform any tasks associated with the hard disk.
  2. Occurring the error code 2000-0142 repetitively.
  3. Blue screen of death error.
  4. Unable to install any programs or applications on your device.

Solve Dell Error Code 2000-0142 with Amazing Techniques

Every error code is dangerous, it requires proper attention to remove them and that too, with utmost care. If you delay solving Dell error code 2000-0142, then it might result in further damages. Therefore, you need an effective guideline to solve the problem without any trouble. But, before proceeding with the solution part, you need to back up all your data that are stored on the hard drive.

Method 1:  Run S.M.A.R.T Test

Most of the companies provide pre-boot diagnostic tools to fix any problem related to the software or hardware. Dell provides a S.M.A.R.T tool which is an abbreviation of Self-Monitoring, Analysis, and Reporting Technology. It helps you to test the HDD and do some basic monitoring analysis. It detects the causes and fixes the issue automatically.

How to do the S.M.A.R.T test?

To check the HDD with the help of the S.M.A.R.T tool, first, you need to know how it works. Hence, follow the steps to fix the problem with ease.

Step 1

At first, restart the system and enter the BIOS Setup Utility. After that, press the F1 key to enter the BIOS Setup Utility option.

Step 2

Now, choose the affected hard disk and hit the Enter button. Then, select the SMART Support option and again press the Enter button.

Step 3

For device tests, select any of the following commands:

  • SMART Status Check: It checks the status of the HDD SMART status
  • SMART Short Self–Test: It runs a short self-test on the HDD
  • SMART Extended Self-Test: Run an extended self-test on the HDD
Step 4

After completing the test, press the ESC key. Finally, check if the error persists.

Method 2: Format the Hard Drive

Formatting the hard drive is one of the best solutions in order to fix the error code. Formatting the disk means deleting all the items that are stored in the HDD. But, you can recover data after completing the process. After deleting all the data and files, check whether the error code still persists or not.

Method 3: Replace the Hard Drive Disk

If the above two processes do not help you to resolve the issue, then you need to change the hard drive to a new one. You can take help from this step when there is no way left in order to fix the issue. If the problem appears during the warranty period, then you need to exchange the hard drive disk with the new one. Otherwise, you need to buy it from the official website.


While wrapping up, we hope that you have been proactive on the receiving end and have a thorough grasp of the solutions. If you face any problem while doing this, you can post your queries in the comment section below. On this note, let’s conclude and see you in our next post.

Nathaniel Villa
Nathaniel Villa