When you have systems giving you bad block warnings, you might wonder whether you should replace the drive.

IMPORTANT: If the bad block warnings appear consistently, you should probably replace the drive to mitigate data loss risks. 

If the warning appears INFREQUENTLY, here are some things you can do:

• Run a disk check (chkdsk) and/or other diagnostic tests such as Hard Disk Sentinel (for in-depth analysis of drive health) and SMARTest (for monitoring drive statuses) to confirm the warning is warranted.
• Understand the context (e.g., whether the PCs are client-owned, the type of drives (HDD or SSD), the age of the PCs, etc.).
• Consider your service model, which may influence your response to the issue. Keep in mind that break/fix scenarios could lead to opportunities for upselling backup solutions, hardware upgrades, or maintenance.
• Monitor the situation and inform your customer about potential drive failures early on; send along a quote for a replacement.
• Back up data before a replacement becomes urgent.