Windows XP Vista Windows 7 Tips and IT Knowledge Network Wireless » udf system file http://www.windowknowledge.com/it-blog Help you Expert on Windows system and IT Network Knowledge Sat, 09 Apr 2011 16:18:51 +0000 http://wordpress.org/?v=2.9.2 en hourly 1 Why my DVD-ROM cannot read or access some dvd disc http://www.windowknowledge.com/it-blog/windows-fix-and-troubleshooting/why-my-dvd-rom-cannot-read-or-access-some-dvd-disc/ http://www.windowknowledge.com/it-blog/windows-fix-and-troubleshooting/why-my-dvd-rom-cannot-read-or-access-some-dvd-disc/#comments Tue, 28 Aug 2007 09:08:31 +0000 Wongsak http://www.windowknowledge.com/it-blog/2007/08/28/tips-and-tricks/why-my-dvd-rom-cannot-read-or-access-some-dvd-disc/ this problem will occur when your computer still enable function “UDF file system”
(UDF = Universal Disk Format).
When you try open DVD media you may receive error message “Disc is not support”.

Fix this problem you must Disable UDF file system following this step. (Windows xp)
Edit the registry at your own risk. Make backups before you do this

1. Open Registry editer (start menu > run and type regedit)
2.Go to key HKEY_LOCAL_MACHINE/SYSTEM/ControlSet001/Service/Udfs
3. Delete or Rename that key (right click on key and rename)

reboot your computer.

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