Bad sector is a sector on your hard drive that cannot be used for storing and reading data. A sector is marked as bad when it provides too slow reading speed or cannot be read at all.
We recommend to check HDD for bad sectors presence once a year. If you store some extremely important data on the drive – check it even more frequently. If you detected a bad sector don’t hurry to throw your HDD away. In many cases it can be fixed and you can use your disk storage again.
HDAT2 is a great utility designed to detect and repair bad and unstable sectors. It can be run from CD/DVD or USB disk. Here is our ultimate step-by-step guide on:
- how to create a bootable USB flash disk with HDAT2 utility;
- how to check your hard drive for software and hardware bad sectors;
- how to fix bad sectors on your HDD;
- how to upgrade HDAT2 version on your USB stick.