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How to force a remap of sectors reported in S.M.A.R.T C5 (Current Pending Sector Count)?

Fresh3 days ago
Mar 15, 2026166788 views
Confidence Score1%
1%

Problem

The S.M.A.R.T C5 value of my Samsung HM640JJ Hard Drive (in an HP Pavilion dv6 laptop) is "yellow status = caution" C5 was 10 yesterday, and it's 21 today. and How can I force the firmware to reallocate them? I removed the partitions, recreated them again and formatted the entire drive. I ran I ran the BIOS disk check utility and other diagnose/repair tools

Error Output

C4 (Reallocation Event Count) = 0

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Fix for: How to force a remap of sectors reported in S.M.A.R.T C5 (Current Pending Sector Count)?

Low Risk

Short answer: Write something new to the sector (even zeros - which a long format does). Long Answer Hard drives today try to hide bad sectors from the host computer. The host computer simply asks the drive to return the contents of a particular sector number. Normally the drive reads the sector, returns it to the host machine, and everything is fine. The hard drive knows if the value it read is valid or not, because the drive uses Error-correcting code (ECC) to validate that the contents it re…

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