CD/DVD File System Reader - Windows 7 Service
ISO9660/Joliet File System Reader for CD/DVDs. (Core) (All pieces).
This service also exists in Windows 10, 11, 8, Vista and XP.
Startup Type
| Windows 7 edition | without SP | SP1 |
|---|---|---|
| Starter | Disabled | Disabled |
| Home Basic | Disabled | Disabled |
| Home Premium | Disabled | Disabled |
| Professional | Disabled | Disabled |
| Ultimate | Disabled | Disabled |
| Enterprise | Disabled | Disabled |
Default Properties
| Display name: | CD/DVD File System Reader |
| Service name: | cdfs |
| Type: | filesys |
| Path: | %WinDir%\system32\DRIVERS\cdfs.sys |
| Error control: | normal |
| Group: | Boot File System |
Default Behavior
The CD/DVD File System Reader service is a file system driver. If the CD/DVD File System Reader fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the cdfs service has failed to start.
Dependencies
CD/DVD File System Reader will not start, if the CD-ROM Driver service is stopped or disabled.
Restore Default Startup Type of CD/DVD File System Reader
Automated Restore
1. Select your Windows 7 edition and Service Pack, and then click on the Download button below.
2. Save the RestoreCDDVDFileSystemReaderWindows7.bat file to any folder on your hard drive.
3. Right-click the downloaded batch file and select Run as administrator.
4. Restart the computer to save changes.
Note. Make sure that the cdfs.sys file exists in the %WinDir%\system32\DRIVERS folder. If this file is missing you can try to restore it from your Windows 7 installation media.