How to create bootable pendrive using DOS

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Step A:

1. Insert your pendrive
2. Open command prompt (Windows+r then type cmd)
3. Type DISKPART and hit enter ( a new window will appear)
Now type the following commands:-
4. LIST DISK and hit enter ( it will show the disk number of your USB drive)
5. SELECT DISK 2 and hit enter ( replace DISK 2 with your USB Drive number e.g Select disk 1)
6. CLEAN and hit enter
7. CREATE PARTITION PRIMARY and hit enter
8. LIST PARTITION and hit enter
9. SELECT PARTITION 1 and hit enter
10. ACTIVE and hit enter
11. FORMAT FS=NTFS QUICK and hit enter
12. ASSIGN and hit enter
13. EXIT and hit enter

Step B:

1. Insert your Windows DVD (OS CD/DVD) in the optical drive and note down the drive letter of the optical drive and USB drive.

Now reopen Command prompt ( Windows+r then type cmd) and follow the instructions-

2. H:CD BOOT and hit enter. Where “H” is your DVD drive letter
3. CD BOOT and hit enter
4. BOOTSECT.EXE/NT60 I: and hit Enter where "I" is your USB Drive letter
5. EXIT and hit enter

Now copy the entire OS disk contents into your USB Drive....

Done!!