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Last Updated December 10, 2003

Disk Management
  Where to Start
  Configuring Disks
  CD/CD-RW/DVD Drives

Troubleshooting Disk Drives in Windows XP

Where to Start
Description of the Low Disk Space Notification in Windows XP
Microsoft Knowledge Base Article: 285107 - When a Windows XP-based computer is running low on disk space, you receive a "Low Disk Space" message that, when clicked, starts the Disk Cleanup Wizard. This article describes the conditions in which you receive the "Low Disk Space" message.

Floppy Disk Formats That Are Supported in Windows XP
Microsoft Knowledge Base Article:
309623 - This article provides a list of the floppy disk formats that are supported in Windows XP.

HOW TO: View the Storage Devices That Are Displayed As "USB SCSI Storage Device" in Windows XP
Microsoft Knowledge Base Article: 292750 - USB devices that are using an SCSI-to-USB adapter are displayed as "USB SCSI Storage Device" in the
Safely Remove Hardware icon in the taskbar. Finding which device you want to remove may be confusing if your computer has more than one of these devices.

Known Bugs and Issues
All Available Drive Letters Are Assigned to Unformatted Hard Disks
Microsoft Knowledge Base Article: 307079 - If you set up multiple hard disks on a computer that runs Windows XP, and you do not format the hard disks or assign drive letters to the hard disks, Disk Management may assign drive letters to the hard disks. Depending on the number of unformatted that are on the computer, Disk Management may assign all of the available drive letters to the unformatted hard disks. If the number of unformatted hard disks exceeds the number of available drive letters, Disk Management does not assign drive letters to the unformatted hard drives

Cannot View NTFS Logical Drive After Using Fdisk 
Microsoft Knowledge Base Article: 310359 - If you start Windows XP in a dual-boot environment with Windows 95 or Windows 98, use the Fdisk tool to delete a logical drive using the File Allocation Table (FAT) file system, and then restart Windows XP, you may no longer see logical drives within the Logical Disk Manager in Windows XP.

Disk Defragmenter Is Not Displayed in the Most Frequently Used List 
Microsoft Knowledge Base Article: 279770 - In Microsoft Windows XP, the Disk Defragmenter utility (Defrag.exe) is not displayed in the Most Frequently Used (MFU) list on the Start menu even if it is used often.

Disk Quota Default Setting Prevents Logon Request 
Microsoft Knowledge Base Article: 288750 - When you attempt to log on to your computer, you may receive the following error message:

Error During Disk Copy Prevents Completion of Task
Microsoft Knowledge Base Article: 291710 - During a disk copy operation you may receive one of the following error messages Copy Disk Windows cannot read the disk you are copying from. Make sure it is not damaged or already in use. or Copy Disk Windows cannot write to the destination disk....

Error Message: Windows Could Not Start Because of a Computer Disk Hardware Configuration Problem 
Microsoft Knowledge Base Article: 314477 -  When you attempt to start Windows XP, you may receive one of the following error messages:

Fault-Tolerant RAID Volumes or Volume Sets Are Displayed as "Failed" After You Install Windows XP 
Microsoft Knowledge Base Article: 303246 - After you upgrade to Windows XP from Windows NT 4.0, previous fault-tolerant Redundant Array of Inexpensive Disks (RAID) volumes or volume sets may be listed in the Disk Management tool as "Failed". These "Failed" disks have drive letters, but you cannot access them.

Hard Disks Do Not Turn Off After Your Computer Has Been Idle
Microsoft Knowledge Base Article: 313300 - When your Windows XP-based computer has been idle for an amount of time that is sufficient to make your hard disk turn off, your hard disk may not turn off. For example, even though your Turn off hard disk setting is set to 3 minutes, your hard disk
Turn off hard disk setting is set to 3 minutes, your hard disk might not turn off until your computer has been on and idle for 15 to 20 minutes

Hard Disk May Become Corrupted When Entering Standby or Hibernation
Microsoft Knowledge Base Article 331958 - The flush cache command is not issued to a large hard disk that has 48-bit logical block addressing (LBA) enabled. Therefore, the hard disk may become corrupted when you enter either standby or hibernation.

Hard Disk Performance Is Slower Than You Expect
Microsoft Knowledge Base Article: 308219 - After you install Microsoft Windows XP, hard disk performance may be slower than you expect. NOTE: Hard disk performance may be even slower when your computer performs many small hard disk read/write operations.

Hard Disk Problems Cause Error Messages When You Start Your Computer
Microsoft Knowledge Base Article: 812446 - When you start your computer, you may receive an error message that is similar to the following: Hard disk drive failure When you start your computer from a Microsoft Windows 98 Startup disk, and then try to use the Fdisk.exe program to view partition information, you may receive the following error message: No fixed disk present

Setup Requires Format of Initial Partition If You Install to a Subsequent Partition on a Hard Disk
Microsoft Knowledge Base Article: 283260 - This article describes the behavior of an installation to a partition which is unformatted and is not the first partition on the hard disk.

The Computer Does Not Start After You Change the Active Partition by Using the Disk Management Tool 
Microsoft Knowledge Base Article: 315261 - After you use the Windows Disk Management snap-in tool to mark your primary partition as active, the computer may not start, and you may receive the following error message: NTLDR is missing. Press Ctrl+Alt+Del to restart.

Windows XP Does Not Recognize All Available Disk Space 
Microsoft Knowledge Base Article: 316505 - Windows XP may not recognize all of your available disk space. For example, you may have a hard disk with a capacity of more than 30 gigabytes (GB), but according to the Disk Management utility or Windows Explorer, you have only 2 GB of disk space.

You Cannot Format 720 KB Floppy Disks in Windows XP
Microsoft Knowledge Base Article: 302113 - The option to format a floppy disk to the capacity of 720 kilobytes (KB) is missing in the Format 3 1/2 Floppy dialog box. Attempting to format a floppy disk to a capacity of 720 KB by using the format command-line utility produces the following...


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