Download Gsmartcontrol Extra Quality -
You can inspect specific data points like Power Cycle Count , Reallocated Sectors Count , and Temperature . High numbers in "reallocated sectors" are often a "smoke alarm" indicating your drive is physically dying. Three Types of Self-Tests:
A 5-minute test specifically designed to find damage caused during transport. download gsmartcontrol
Double-click the icon for the drive you want to inspect. You can inspect specific data points like Power
Get the latest version from the official GSmartControl website or SourceForge . Double-click the icon for the drive you want to inspect
Hard drives are the only part of your computer that is almost guaranteed to fail eventually. By choosing to download GSmartControl, you gain a powerful early-warning system. Whether you are troubleshooting a slow laptop or just want peace of mind, this tool is an essential addition to your digital toolkit. 13 Free HDD Test Tools for 2026 - Lifewire
Go to the Perform Tests tab, select Extended Self-test , and click Execute . This is best done overnight as it can take over an hour and may slow down your PC while running.