FAQ

CrystalDiskInfo reports "Caution" or "Bad"!!

See also Health Status.

Strange "Power on Hours"

A part of Maxtor HDD could count only 65535 minuites (about 1092 hours).

Unknown "Buffer Size"

The field of buffer size supports maximum 32 MB and this filed is obsolete.

Unknown "Rotation Rate"

The filed of rotation rate is defined by ATA8-ACS. So, almost disks does not report rotation rate...

No disks...

• CrystalDiskInfo supports only IDE (Parallel ATA) and Serial ATA disks connected internal ATA controller (Chipset included).
• CrystalDiskInfo supports a part of USB-HDD.
• CrystalDiskInfo does not support RAID disks and IDE (Parallel ATA) and Serial ATA disks connected external ATA controller.

SAMSUNG HD155UI/HD204UI is not shown...

SAMSUNG HD155UI/HD204UI has data loss bug. CrystalDiskInfo does not access these disks by default.

• Patch: Patch tool for Identify fail during NCQ write command.(Model: F4EG)
• Reference： Using smartctl with Samsung F4 EcoGreen drives may result in data loss

External Disks are no response...

Please change the settings from "Function > Advanced Feature > [DEBUG] USB/IEEE 1394".

Can not open help file (manual-en.chm)

You cannot open HTML Help files from Internet Explorer after you install security update 896358 or Windows Server 2003 Service Pack 1 (Microsoft support online)

Solution

1. Right-click the CHM file, and then click Properties.
2. Click Unblock.
3. Double-click the .chm file to open the file.

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