These are some freeware that can be used to defragment, recover lost partitions and/or make non-booting disks bootable again.
TestDisk is open source software and is licensed under the terms of the GNU Public License (GPL).
As quoted from the website, TestDisk is a powerful free data recovery software! It was primarily designed to help recover lost partitions and/or make non-booting disks bootable again when these symptoms are caused by faulty software, certain types of viruses or human error (such as accidentally deleting a Partition Table). Partition table recovery using TestDisk is really easy.
- Fix partition table, recover deleted partition
- Recover FAT32 boot sector from its backup
- Rebuild FAT12/FAT16/FAT32 boot sector
- Fix FAT tables
- Rebuild NTFS boot sector
- Recover NTFS boot sector from its backup
- Fix MFT using MFT mirror
- Locate ext2/ext3 Backup SuperBlock
Defraggler enables you to quickly and simply defrag the files you want to, without having to process the whole drive. Simply run it, select the file and defragment in seconds. No more struggling with the Windows defragmentation tool!
Disk fragmentation leads to system slowdowns, PC crashes, slow startups and shutdowns. Auslogics Disk Defrag was designed to remedy system sluggishness and crashes caused by disk fragmentation. It is optimized to work with today’s modern hard disks. Auslogics Disk Defrag is extremely simple to use, does not require any analysis phase and is faster than most of the other disk defragmentation software. It will help you get the maximum performance out of your expensive hardware investments.
Drive Fitness Test (DFT) quickly and reliably tests SCSI, IDE and SATA drives. The DFT analyze function performs read tests without overwriting data.