Three letter word “B-A-D” has such a great impact and impression in day-to-day life. Even a good and high esteemed stuff will have a negative effect when the word ‘bad’ comes before it. Now let’s go deeper and learn things about bad sectors and how to treat bad sectors on computer drives in detail.
Initially before getting into the topic, examine yourself quoting from memory.
- What is a bad sector?
- What causes them?
- What are the signs of bad sectors?
- How to fix them?
Have an idea now? Something in brief… if no then relax, it’s not an issue. Just hold on and go through the complete editorial piece.
Things to know about bad sector –
- On every hard drive, data storage is done in separate compartments. The hard disk will be enclosed with boundaries of rings called as “tracks” and these are further sub-divided into sectors. Despite physical space with tracks and sectors, the data is actually stored on clusters.
- A bad sector is the small clustered storage space on hard drive that loses the ability to read or write requests. Remains as defective.
- They occur on magnetic hard drives as well as on modern solid-state drives
- Bad sectors are caused due to many reasons but is closely indicated as either “hard/physical bad sectors” and “soft/logical bad sectors”
- Physical bad sectors result from manufacturing errors, natural wears, the drive might be damaged with its platter and head, otherwise air’s entry inside the sealed area of hard drive and also the dust accumulation.
- Logical bad sectors are caused mainly by software conflicts such as sudden computer shut down and viruses attack upon hard drive.
- Some symptoms and signs of hard drive failed due to presence of bad sectors are as follows:
- Periodic crash/freeze of system observed mainly during booting Windows
- Frequent occurrence of error messages
- Folder and files missing or altered by names
- Slow access of files
- Loud screeching/grinding noise
- How SMART are you in fixing up bad sectors…?
Nowadays, hard drives come up with built in S.M.A.R.T (Self-Monitoring, Analysis and Reporting Technology) feature for inspecting internal status of a hard drive. The S.M.A.R.T system reports whether drive is alright or problematic during boot process after performing a troubleshoot test.
Well, to resolve the issue after diagnosis of problem, follow the below procedure-
On Windows XP and 7 versions
Step 1: Close all the programs running on background and open Windows Explorer to select the logical drive that needs a checkup against bad sectors
Step 2: Click on Properties and then on Tools
Step 3: Go to Error Checking part and click on Check Now option
Step 4: Before that uncheck Automatically fix file system errors to use Check now option
Step 5: Click to Start the process. When repair completes, the tool simulates a report regarding the issue.
On Windows 8 / 10
Step 1: Go to This PC, choose the drive and right click on it to opt Properties option
Step 2: Now select Tools and click on Check
Step 3: The tool will run to fix the bad sectors even though there is no such error on system
Step 4: Hit on Scan and Repair option.
The above approaches results with Code 0 which means no errors and Code 1 indicating the presence of errors when scanning the drive and are then fixed.
The main problem with this approach is, data security is not assured with guarantee. Data can be lost while error is removed from disk drive. And also quite chances that the process may fail due to some issues caused with disk alone. In such case, it is highly important to have a backup copy of vital files. However, if there is no trace of such copy then data restoration from hard drive with bad sectors can be achieved by following a simple yet advanced software like Yodot Hard Drive Recovery.