Back up any data you want to keep
Check whether the SSD is the system drive or a secondary drive
Use the manufacturer’s secure erase tool if available
Boot into the tool or recovery environment if required
Select the SSD and run Secure Erase or Sanitize
If using Windows, use the drive manufacturer utility or BIOS/UEFI secure erase option
If using macOS, use Disk Utility erase for the SSD
If using Linux, use the drive’s ATA Secure Erase or NVMe Format/Sanitize command
Confirm the erase operation completes successfully
Reinstall the operating system if the SSD was the boot drive
Verify the drive is empty and ready for reuse