Question: How to confirm ?any SATA/PATA Hard disk is perfect no problem? no bad sector on any other problem. I’m purchasing just 2 month used SATA HDD from a friend in less price.

How can i confirm hard disk will work perfectly, current condition is healthy.

Answer: Hard drive manufacturers diagnostic tools: hitachi / samsung / western digital / seagate (& maxtor) / fujitsu (now it’s a toshiba brand but I don’t have found a specific toshiba tool)