How To Check Bad Sector Hard Drive And Prevent Effectively?

If one day you check the hard drive and see continuous errors, then enter the software and see a bad sector phrase, it is likely that your hard drive is about to go away forever. So why does the phrase “ bad sector ” appear, and how to check it.  The following article WebTech360  will explain to you everything related to Bad Sector hard drive as well as how to check the hard drive. Let's find out together!

What is a hard drive bad sector?

Bad sector error is simply understood as the phenomenon of a small memory area in the computer hard drive that cannot access data temporarily or permanently. When the computer has a bad sector error, you will not be able to perform data read / write operations on this memory area. As a result, your drive will perform inefficiently and the amount of free memory space will decrease as a result.

For that reason, during use, it is not necessary often, but you should check bad sectors to make sure your computer works in the most efficient way.

Causes of Bad Sector Hard Drive

After a long time of use, you will often encounter a situation such as the computer cannot start, the signal light is still on but the machine hangs, ... That is one of the basic signs. detect that your computer has a bad sector error.

So what are the causes of this error? Here are some reasons that you can refer to:

- Air or dirt enters and collects on the drive.

- Manufacturing error of the manufacturer.

- The hard drive is dropped causing the reading needle to touch the surface of the disk.

- Damage caused by careless transportation.

- The hard drive must be overloaded for a long time, causing the data access speed to decrease.

Check Bad Sector Hard Drive With Software

Windows HDD Check Disk

This is a built-in utility to check and fix bad sectors on computer hard drives. In addition, Windows HDD Check Disk also scans and checks for errors in USB and external hard drives completely free of charge. Refer to the following way to check bad sectors :

Step 1: You need to open “ This PC ” on your computer.

Step 2: Right-click the drive that needs to be checked and fixed. Next click " Properties " and you continue to select " Tab tools ".

Step 3: You choose Check in the " Error checking " section.

• Then click " Scan drive " to check and fix bad sectors.

Step 4: After the test is complete, the message to check the hard drive will be displayed. If your computer does not have a bad sector error, the message will appear " No errors were found ". You just need to click “ Close ” to finish the bad sector check process .

HDD Scan software

HHD Scan is a free bad sector checker software for all types of hard drives. Besides, this software is also applied by many people because of its simple interface, easy to use but very fast. 

HDDScan download link: http://hddscan.com/

Step 1: Select the hard drive you want to test with the dialog box as shown below, then press the Test button , we will have 3 different Test modes VERIFY , READ and BUTTERFLY .

- Please choose VERIFY test function

Step 2:  A new window appears, press the right arrow button to continue.

Step 3: A working task will appear in the lower white frame, Right-click and select Show Details

• A new window appears, you will see the software is scanning the hard drive.

The colored boxes on the interface will show the level and status of each hard drive area. Which partition on the failed hard drive will show blue , which partition shows red, it is in a dangerous state. If the interface shows only gray and white , your hard drive does not have a bad sector error.

Data Lifeguard Diagnostic

Data Lifeguard Diagnostic is software from Western Digital. This is a software used to check and fix hard drive errors that is used by many users. The interface is also quite simple with 02 main functions of checking and fixing errors. Here are 3 simple steps for you to check bad sectors in the fastest way.

Step 1: Download the software to your computer and install it. (Software download at: https://taimienphi.vn/download-western-digital-data-lifeguard-diagnostics-33171/taive)

Step 2: You need to start the software.

Step 3: After the new dialog box is displayed, right-click the drive you want to check and select Run Diagnostics

Select “ Quick test ” if you want to scan and check for hard drive errors quickly. Select “ Extended Test ” if you want to perform an extended hard drive scan. Select “ Erase ” if you want to erase hard drive errors.

How To Prevent And Limit Bad Sector Hard Drives?

In order for your computer to work more efficiently, you need to note the following points to minimize the generation of errors on the hard drive:

- Regularly clean the computer during use.

- Combined with devices that support heat dissipation for the computer (cooling fan, exhaust fan, ..)

- You should use the computer used in a cool, ventilated place.

- Use a high-quality power supply to increase the stability of the power supply.

- To avoid losing important data, you should regularly check bad sectors and back up data.

And that is the information related to the hard drive having  bad sectors  as well as measures to prevent errors on the hard drive. WebTech360  hopes that, with the useful information mentioned above, you will detect the status of your hard drive as well as how to fix them.