Hard disk error check, Problems of slow Laptop and computer

Disk surface test, check disk bad sectors and hard drive error with ...

When a hard drive is manufactured, it usually contains some bad sectors. With the disk comes into increasing use, more can develop. The data stored in a bad sector can be corrupted or lost.

How to know if there are bad sectors in the hard drive? A surface test tool does what it implies - it scans the disk surface to check for bad sectors and mark bad sectors so that the computer knows not to use them in the future.


Below some tools to check the System or Laptop Bad-sectors or problems.

1) Eassos -  Web link

Screen Shot for Eassos