The main reason of Autorun is to offer an app response to hardware actions that start on a computer. Autorun (Autoplay) feature is typically called from removable media like CD/DVDs and USB drives. During AutoPlay, the Autorun.inf file from the media is parsed. This file specifies which commands the system runs. Most of CD/DVD’s Installers and other removable devices use this functionality to start setup.
So here is an article that helps you enable or disable autorun functionality for specific devices.
How To:
1. Open Registry Editor (Type regedit in Start Search or Run Dialog Box and press ENTER)
2. Navigate to: HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer
3. Now look for NoDriveTypeAutoRun, a DWORD registry value and set its value as you desired to control autorun (auto play) function for specific devices.
| HEX | Decimal | Action |
| 1 | 1 | Disables AutoPlay on drives of unknown type |
| 4 | 4 | Disables AutoPlay on removable drives |
| 8 | 8 | Disables AutoPlay on fixed drives |
| 10 | 16 | Disables AutoPlay on network drives |
| 20 | 32 | Disables AutoPlay on CD-ROM drives |
| 40 | 64 | Disables AutoPlay on RAM disks |
| 80 | 128 | Disables AutoPlay on drives of unknown type |
| FF | 255 | Disables AutoPlay on all kinds of drives |
You can disable multiple devices by adding their values, like if you want to disable CD-ROMs and Removable devices only.
Just add 4+32 = 36 (In Decimal) and 4+20=24 (In Hex) and set the resultant value.
Applies To:
- Windows Server 2008 R2
- Windows Server 2008
- Windows 7
- Windows Vista
- Windows XP
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