How To Enable/Disable Autorun (Windows 95/98/Me)
- Access the System Properties Dialog. Using Control Panel:
My Computer: Properties or Explorer: My Computer: Properties.
- Select the Device Manager tab.
- Select the CD-ROM folder.
- Select the entry for your CD-ROM drive.
- Select Properties.
- Select the Settings tab.
- Turn on or off the Auto insert notification option.
- Select OK.
- Select OK
How To Enable/Disable Autorun (Windows NT/2000)
- Start RegEdit (regedt32.exe).
- Go to HKEY_LOCAL_MACHINE/System/CurrentControlSet/Services/Cdrom.
- Edit the Autorun value to '1' to enable autorn, and
'0' to disable autorun.
- Close RegEdit
How To Enable/Disable Autorun (Windows XP)
- Open Windows Explorer by pressing the Windows
+ "e" key.
- Right-click the desired CD-ROM and select Properties
from the menu.
- Select the AutoPlay tab.
- Select each item from the pulldown list and for
the Action to perform, select "Take no action"
to disable autorun, or pick the apporpriate action
to take if enabling autorun.
- Select OK.
How To Enable Autorun
for Other Removable Media
Autorun can be enabled or disabled for all Removable
media types, such as a floppy or Zip disk. Windows
systems are configured to enable CD Notification,
other removable media are by default disabled.
The System Properties User interface only exposes
the CD Enable or Disable selection. The setting
reflected in this dialog makes an entry in the
System Registry. It is in this same location that
other media types are configured.
Notes:
- Modifiying the Registry is not for the inexperienced
user. Anyone will tell you, be VERY careful.
- The modifications made in this case use Hex
not Decimal numbers. If you are unfamiliar with
the Registry or the characteristics of base
numbering and Hex, studying these topics prior
to making these modifications is advisable.
To Modify these Registry Settings, Use Regedit
and navigate to the following Key:
HKEY_CURRENT_USER
Software
Microsoft
Windows
CurrentVersion
Policies
Explorer
"NoDriveTypeAutoRun"
The default value for the setting is 95 0 0 0.
Change the first byte to 91. Restart the computer
to make the new setting take effect. You may have
to right-click on the floppy and choose AutoPlay
from the menu to see the AutoPlay behavior.
Additional Technical Info
The first byte defines which drive types to EXCLUDE
from Autorun behavior. The hex value of the byte
is the sum of all of the drive type values to
exclude + 128.
DRIVE_UNKNOWN 1
DRIVE_NO_ROOT_DIR 2
DRIVE_REMOVABLE 4 (floppy disks and removable
cartridges)
DRIVE_FIXED 8 (hard disks)
DRIVE_REMOTE 16 (network drives)
DRIVE_CDROM 32 (CD-ROMs)
DRIVE_RAMDISK 64
The default configuration excludes UNKNOWN (1),
REMOVABLE (4) and REMOTE (16) which would be 16
+ 4 + 1 + 128 = 149, which is hex 95. If you take
out REMOVABLE you get 16 + 1 + 128 = 145, which
is hex 91.
The calculation for this value is 1 + 4 + 16
+ 128 = 149. 149 Decimal is 95 Hex
The new calculation is 1 + 16 + 128 = 145. 149
Decimal is 91 Hex
You may have to restart for the system to recognize
a floppy or Zip as an Autoplay drive. If your
floppy drive does not show a custom icon or AutoPlay
in the menu when right-clicked, double-click on
the icon for your computer on the desktop and
press F5 to refresh the information in the Explorer
window. Zips and floppies will not autolaunch
when media is inserted. You must double-click
their icon or right-click and choose AutoPlay
from the menu.
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