FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -If you choose the Quick format option, format removes files from the partition, but does not scan the disk for bad sectors. Only use this option if your hard disk has been previously formatted and you are sure that your hard disk is not damaged."

Detailed explanation-2: -A quick format allows you to overwrite any files on the drive, but it does not fully erase them; with the right software, the old files could be recovered. In Windows you have the option to do a quick format into either the FAT or NTFS formats.

Detailed explanation-3: -So, after a quick format, the data becomes inaccessible for a user, but remains on the drive and can be recovered with the help of a special data restore program. When you run a full format, the files are completely eliminated and the drive itself is additionally scanned for bad sectors.

Detailed explanation-4: -In most cases, you can get away with a quick format to fix external hard drive errors. But, when it comes to the case of bad sectors, you need to perform a full format instead. A full format will scan every part of the drive for bad sectors.

Detailed explanation-5: -Quick format means that Windows just delete the data and change the file system. Unchecking this option means that you choose to perform full format, which will erase data, scan the partition for bad sectors, and change the file system.