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Problems running Scan Disk and Defrag
Many people have problems running Scan Disk and/or Defrag, with the
program running 10% or 30% and then stalling. Often with a message that
Windows is trying to write to the drive. To run Scan Disk/Defrag
successfully:
- Go to Start > Run and type msconfig in the Open:
box
- On the General tab, uncheck all items listed under Selective
startup (make sure that Selective startup is
selected)
- Hit apply and OK and restart Windows
- This starts Windows with only the basics running; Insures nothing
will interfere with Scan Disk and Defrag
- Run Scan Disk and Defrag, when ready go into msconfig and
select Normal startup and restart Windows
(If you use Windows 95, restart your system, when you see the Starting
Windows 95... text on your screen, quickly press the F8 key.
From the menu that follows, choose Safe mode, and run Scan Disk
& Defrag. When
Defrag Error Message: ID No:DEFRAG005 / DEFRAG006
If you get an error message:
Error Defragmenting Drive <drive>. Windows could not access part
of the drive. Click Help and carry out the instructions for
running Scan Disk. IMPORTANT: To fix this problem, you must run
Scan Disk and choose the Thorough option.
ID No: DEFRAG005
Note that the ID No: DEFRAG005 portion of the error message
may be replaced by ID No: DEFRAG006.
Scandisk and Disk Defragmenter Processes Are Not
Completed
When you attempt to run Disk Defragmenter or Scandisk, they may not
run to completion; the process may stop when it is anywhere from one
percent to 50 percent complete. These symptoms may also occur when you
attempt to run Disk Defragmenter or Scandisk from Safe mode.
This could mean that your computer has been infected with the Fun
Love virus.
Scan Disk may run on restart, although Windows may seem
to shut down correctly
This can be caused by the fact that during the shutdown process, the
contents of the virtual cache are written to the destination device. If
the destination device is an IDE hard disk, data may be written to the
hard disk's onboard cache but not to the disk itself. When this occurs,
the data is lost from the cache when the computer turns off.
To resolve this issue, you need to obtain the necessary update:
 | Select Start, and then click Windows Update
| When the page displays, click Product Updates to create the
catalogue of available updates for your computer
| Select the box next to Window IDE Hard Drive Cache Package,
after the catalogue is created, to select this package to download
| Select all of the items you want to obtain for your computer,
click Download, and then follow the rest of the directions to
complete the download process |
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Note: For the updated Ifsmgr.vxd driver to add the necessary
delay during shutdown, it may be necessary to update the registry key.
The CacheWriteDelay value specifies the number of milliseconds of
required delay.
- Start the Registry Editor
- Go to HKEY_LOCAL_MACHINE \ SOFTWARE \ Microsoft \ Windows \
CurrentVersion
- On the Edit menu, click Add Value, and then add the
following registry value:
Value Name: CacheWriteDelay
Data Type: REG_DWORD
Radix: Decimal
Value: 2000
- Exit RegEdit and restart Windows
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