Can SD cards have bad sectors?
What are bad blocks on SD cards?
How do you check the health of an SD card?
Abad sectoror a bad block in computing refers to an unreadable disk sector on a disk storage unit.
A hard drive, USB flash drive, SD card, pen drive, etc.
can suffer from bad sectors.
Today we will focus on SD card bad sectors.
So, how to check bad blocks SD card and repair bad sectors after detection?
Move to the next part.
This free tool offers a feature calledSurface Testthat enables you to scan the entire storage machine for bad sectors.
If it finds bad blocks on the SD card, it will mark them in red.
Just get it via the following button.
Step 2: Launch MiniTool Partition Wizard to enter its main interface.
Step 3: Right-choose this SD card and chooseSurface Test.
Step 4: ClickStart Now.
After some time, the scan finishes and a result shows to you.
The CHKDSK command is a powerful tool to check file system for logical and physical errors.
In general, CHKDSK is a good bad sector repair tool.
Step 2: PressWin + Ron the keyboard to openRun, inputcmd, and pressCtrl + Shift + Enter.
ClickYesin theUACprompt to run Command Prompt with admin privileges.
Step 3: In the CMD window, typechkdsk N: /f /rand pressEnter.
HereNrefers to the drive letter of your SD card and replace it with your own.
Here, you’re free to trigger the professionalPC backup software MiniTool ShadowMaker.
Have you ever met the issue bad sectors on hard drive?
What can you do if your hard drive has a bad block?
This post will show you.
Step 3: Choose a safe location to save the backup file by clickingDESTINATION.
Step 4: Hit onBack Up Nowto start the data backup at once.
Here is a related post for you How to Back up SD Card to PC?
Try 3 Ways to Protect Data.
Verdict
This post focuses on this topic check bad blocks SD card.
it’s possible for you to follow the given ways to check SD card health in Windows 11/10/8/7.
If some are found, run CHKDSK to repair/shield bad sectors.
Then, back up your important data to avoid file loss before the SD card goes wrong eventually.
Hope this guide is helpful to you.
