how to format a SD card that windows is unable to complete using cmd 
 open a command prompt and write the following codes.
NB/ you must insert your SD card before writing the codes 
1. type diskpart
  there will be dialog box popping up accept to continue. after accepting, there will be another command prompt popping up. attached the following codes to the new CMD window .

Open command prompt and type the following commands..
1.diskpart- this navigate you to another command prompt dialogbox.
2. On a dialogbox type 
      List disk. 
3. Select disk you wanna format to proceeds with same e.g "select disk 1" the press enter to continue.
4. Type "clean" then press enter.  
5.type "create partition primary" then press enter to continue.
6. Type "select partition 1" then press enter.
7. Type "active" then press enter 
8. Type "format fs=ntfs quick" then press enter.
  There will be progress with formatting, wait it upto 100% and your disk will be ok.  
NB: check your cluster sizes and file attributes... 

Secure your device and your account. Visit google account and enabled the following.

Matu technology is solution.......

few steps to repair sd card..

have the following tools. 
1. soft Eged clothe or a duster.
2. razor blade.
steps
scratch the sd terminals uniformly with a razor blade as you rough with the soft cloth. try it severally without damaging it anyhow. 
try to insert your sd card to computer to confirm if there is any change in the same and try to format it. 
step 2

the above are a few steps followed to repair a corrupted disk...

thanks all...comment and share....

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MATU TECHNOLOGY

How to make a flash disk,sd card or rather a cd or dvd bootable
As a computer literate and an ict related personel. am going to show you a few and simple trick on how to go by the same.
here are simple prompt command codes normaly called (cmd codes).
first you open a prompt command and click to run.
type the following codes.


C:\Users\matu>diskpart then press enter

diskpart>list disk

the above shows the available disks in computer
diskpart>select disk(you want to make it bootable)
type create partition primary
type select partition 1
type active
type format fs=ntfs or fs=fat32 the quick
wait until formatting percentage completed and you are good to go..





THANKS ALL GOD BLESS YOU https://kiruimatu.blogspot.com/2019/08/how-to-make-flash-disksd-card-or-rather.html
MATUTECHNOLOGY